Examples and libraries by topic
This page groups the example models and libraries from the Examples table and the Libraries table by topic: a method, such as Optimization or Uncertainty, or an application area, such as Health or Energy.
- Use the outline on the right to jump to a topic, then scan the items in its table.
- An item can appear under more than one topic.
- Type tells you whether it is a Model or a Library, and whether it is Installed with Analytica or used in the User Guide (also installed). Other items can be downloaded from the Download file link.
- Topics with fewer than four items are grouped under Others at the end.
AI and machine learning
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Chess with GPT | Model | Play chess against a GPT model through the OpenAI API library. | AI and machine learning, Games and sports | Chess with GPT | 97 |
| Cross-Validation / Fitting Kernel Functions to Data | Model | Fits non-linear kernel functions to data and uses cross-validation to choose how many kernels to use without overfitting. | AI and machine learning, Regression and curve fitting, Statistics | Cross-validation example | 22 |
| Dishwasher warranty reliability | Model | Turns technicians' free-text service notes into a failure model, a warranty reserve, a spare-parts plan and a design decision, using the Jev library. | AI and machine learning, Business, Engineering, Manufacturing and supply chain, Risk analysis, Uncertainty | Dishwasher warranty reliability | 206 |
| Genie Library | Library | Connects Analytica to the Genie Bayesian network tool. Currently documented for Lumina developers only. | AI and machine learning, Bayesian methods, Statistics | Genie library | 45 |
| Image recognition | Model | Classifies an image into 1000 categories using an 18-layer residual neural network implemented in Analytica. Described in a blog article with video. | AI and machine learning | resnet18 | |
| Jev library | Library | Lets a model ask TypeSafe's Jev model questions about text and get back probabilities. | AI and machine learning, Uncertainty | Jev library Test of Jev library |
17 22 |
| Kmeans Clustering | Model, Installed | Applies K-means clustering to random data to group similar points, with scatter plots and the Iterate function. | AI and machine learning, Graphing and visualization, Statistics, User-defined functions | Installed | |
| Learning a Decision Tree with Python | Model | Uses Analytica's Python integration and scikit-learn to train a decision tree classifier on the Iris data set and report its accuracy. | AI and machine learning, Data import and cleaning | Python Decision Tree Example | 20 |
| LLMs as optimizers - linear regression | Model | Explores using a large language model as an optimizer to fit a linear regression. | AI and machine learning, Optimization, Regression and curve fitting | LLMs as optimizers - linear regression | 12 |
| Neural Network | Model | Trains a 2-layer feed-forward neural network with the Analytica Optimizer on four sample data sets, then tests it on held-out examples. | AI and machine learning, Optimization, Regression and curve fitting | Neural-Network | 48 |
| OpenAI API library | Library | Functions that call OpenAI's generative AI models from your model, for tasks that are hard to program and for generating images. | AI and machine learning | OpenAI API lib | 72 |
| Using GPT to clean inconsistent data | Model | Uses a large language model through the OpenAI API library to standardize inconsistent data values. | AI and machine learning, Data import and cleaning | Using GPT to clean inconsistent data | 139 |
Arrays
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Abstracted Subset | Model, Installed | Shows how to use the Subset function in a way that array-abstracts over 2-D or higher arrays. | Arrays | Abstracted Subset | 3 |
| Airline NLP | Model, Installed | Examples of nonlinear programming optimization with Intelligent Arrays for an airline. | Arrays, Optimization, Transportation | Installed | |
| Apportion | Library | Aggregates or disaggregates an array from one index to another of any size, apportioning values proportionally. Contributed by EPRI. | Arrays | Apportion | 2 |
| Array Examples | Model, User Guide | Basics of working with multidimensional arrays. Used in the User Guide chapter Arrays and Indexes. | Arrays | Installed | |
| Array Function Examples | Model, User Guide | Demonstrates many of Analytica's built-in array functions. Used in the User Guide chapter Array functions. | Arrays | Array Function Examples | 140 |
| Expand Index | Library, Installed | A Change Index function that re-indexes an array onto another index, e.g., to combine cash flows over different time periods. | Arrays, Finance and NPV | Expand Index | 4 |
| Extracting Diagonal | Model, Installed | Extracts the diagonal of a matrix. | Arrays, Mathematics and science | Installed | |
| Linked list library | Library, Installed | Functions for building and manipulating linked lists. | Arrays | Linked List Library | 8 |
| Lookup Reindexing | Model, Installed | Looks up values from another table by re-indexing, the Analytica equivalent of Excel's VLOOKUP. | Arrays | Installed | |
| Modeling Depreciation | Model | Shows how to compute depreciation from a schedule of spending and a depreciation schedule over time. | Arrays, Finance and NPV | Fixed Amortization Schedule | 2 |
| Recumulate | Library | Like Cumulate, but resets to zero at selected points. | Arrays | Recumulate example | 3 |
| Smart MdTable library | Library | Like MdTable, but creates local indexes for the index columns automatically, so you don't need a global index for each. | Arrays, Data import and cleaning | Smart MdTable lib | 17 |
| Sorting People by Height | Model, Installed | Sorts an index by a table of values and builds a sorted table. | Arrays | Installed | |
| Subset of Array | Model, Installed | Creates a subset of a larger array based on a criterion. | Arrays | Installed | |
| Swapping y and x-index | Model, Installed | Swaps a one-dimensional array with its index, so the values become the index. | Arrays | Installed | |
| Time-series re-indexing | Model | Maps measurements taken at irregular times onto a uniform weekly time index by interpolation, then shows other basic time-series re-indexing techniques. | Arrays, Mathematics and science, Time series | Time-series-reindexing | 11 |
| Transforming Dimensions by transform matrix, month to quarter | Model | Aggregates an array from a fine-grained index (months) to a coarser one (quarters), using Aggregate and an older transform-matrix method. | Arrays | Month to quarter | 5 |
| Use of MDTable | Model, Installed | Uses MdTable to convert relational records into multidimensional arrays. | Arrays, Data import and cleaning | Installed |
Bayesian methods
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| 2018 World Cup Soccer final | Model | How much of France's 4-2 World Cup win over Croatia was skill and how much was chance? Accompanies a blog article on randomness in outcomes. | Bayesian methods, Games and sports, Statistics, Uncertainty | World cup | 6 |
| Bayes function library | Library, Installed | Computes posterior probabilities with Bayes' rule from a complete discrete joint array of prior probabilities. | Bayesian methods, Statistics, Uncertainty | Bayes Function | 4 |
| Beta Updating | Model, Installed | Uses the beta distribution to update beliefs about the probability that a coin comes up heads. | Bayesian methods, Statistics, Uncertainty | Installed | |
| Genie Library | Library | Connects Analytica to the Genie Bayesian network tool. Currently documented for Lumina developers only. | AI and machine learning, Bayesian methods, Statistics | Genie library | 45 |
| Gibbs Sampling in Bayesian Network | Model, Installed | Solves a Bayesian network by Gibbs sampling (Markov chain Monte Carlo), running several simulations at once. | Bayesian methods, Statistics | Installed | |
| Logistic regression prior selection | Model, Installed | Fits logistic and probit regression to breast cancer data and shows how the Bayesian prior affects generalization. | Bayesian methods, Health, Regression and curve fitting, Statistics | Installed |
Business
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Biotech R&D Portfolio | Model, Installed | A multi-project R&D evaluation of a typical decision faced by a biotech company. | Business, Decision analysis, Health, Optimization, Uncertainty | Installed | |
| Breakeven Analysis | Model, Installed | Breakeven analysis across a set of revenue levels, with fixed expenses and variable expenses as a constant fraction of revenue. | Business, Cost-benefit analysis | Installed | |
| Capital Investment | Model, Installed | Chooses which of four projects to fund to maximize total return. | Business, Finance and NPV, Optimization | Installed | |
| Dishwasher warranty reliability | Model | Turns technicians' free-text service notes into a failure model, a warranty reserve, a spare-parts plan and a design decision, using the Jev library. | AI and machine learning, Business, Engineering, Manufacturing and supply chain, Risk analysis, Uncertainty | Dishwasher warranty reliability | 206 |
| Donor/Presenter Dashboard | Model | Forecasts how an arts organization's audience evolves over time, using a continuous-time Markov chain with immigration and emigration at every node and uncertain inputs. | Business, Dynamic simulation, Markov models, Uncertainty | Donor Presenter Dashboard II | 112 |
| Expected R&D Project Value | Model, Installed | Evaluates and compares the expected commercialization value of several proposed R&D projects. | Business, Decision analysis, Finance and NPV, Uncertainty | Installed | |
| Grant Exclusion Model | Model | Tests a hypothesis about the attributes of the marginal rejected applicant of a grant program, to help decide whether to fiscally sponsor another organization's grant applications. | Business, Statistics, Uncertainty | Grant exclusion | 12 |
| Items within Budget function | Model | A function that selects the highest-priority items whose cumulative cost fits within a fixed budget. | Business, Optimization, User-defined functions | Items within budget | 3 |
| Labor production allocation | Model, Installed | A linear program that decides which products to make and how to allocate workers by skill. | Business, Manufacturing and supply chain, Optimization | Installed | |
| LEV R&D Strategy | Model, Installed | R&D investment strategy across powerplant choices for a low-emissions vehicle. | Business, Decision analysis, Transportation, Uncertainty | Installed | |
| Leveling | Model, Installed | Levels staff effort over time according to available staff, computing work done and idle time. | Business, Dynamic simulation | Installed | |
| Market Model | Model, Installed | Explores pricing and advertising budget decisions for a new product, using forms for user inputs and outputs. | Business, Decision analysis, User interface | Installed | |
| Plan_Schedule_ Control | Model, Installed | Calculates the critical path, timing and costs for completing a project from its activity paths. | Business | Installed | |
| Portfolio optimization with dependencies | Model | Selects projects to maximize value subject to group budgets and dependencies, where a project can only be done if its enabling projects are. | Business, Decision analysis, Optimization | PortfolioOptimizationwithDependencies | 379 |
| Project Planner | Model | Evaluates R&D projects with uncertain costs and revenues, compares them by expected NPV and soft attributes (strategic fit, staff development, goodwill), and selects the best portfolio within a budget. | Business, Decision analysis, Finance and NPV, Optimization, Uncertainty | Project Priorities 5 0 Project priorities 2007 4.0 |
33 30 |
| Project Portfolio Planner | Model, Installed | Evaluates and prioritizes projects by estimated NPV or a multi-attribute score (strategic fit, staff development, goodwill, net revenue). | Business, Decision analysis, Finance and NPV, Optimization | Installed | |
| Sales Effectiveness | Model, Installed | Effects of unit price on sales force and production capacity, turning low-medium-high estimates into continuous distributions. From Forrester's Principles of Systems. | Business, Dynamic simulation, Uncertainty | Installed | |
| Salesforce REST library | Library | Reads live Salesforce records and metadata into your model through the Salesforce REST API. Requires Analytica 7.1 or later. | Business, Data import and cleaning | Salesforce REST library | 24 |
| Subscriber Pricing | Model, Installed | Calculates the monthly revenue needed per subscriber for a service to earn the firm's weighted average cost of capital. | Business, Engineering, Finance and NPV | Installed | |
| Supply and Demand | Model, Installed | Finds the supply level that maximizes profit when profit is asymmetric around average demand. | Business, Decision analysis, Uncertainty | Installed | |
| Upgrade Decision | Model, Installed | Which technology to buy now, given uncertain future products and prices. | Business, Decision analysis, Uncertainty | Installed |
Cost-benefit analysis
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Breakeven Analysis | Model, Installed | Breakeven analysis across a set of revenue levels, with fixed expenses and variable expenses as a constant fraction of revenue. | Business, Cost-benefit analysis | Installed | |
| Daylighting Options in Building Design | Model, Installed | Analyzes life-cycle costs and savings of daylighting options in building design, based on the LBL daylighting nomographs. Also installed with Analytica as Daylight Analyzer. | Cost-benefit analysis, Energy and electricity, Engineering | Daylighting analyzer | 33 |
| Marginal Analysis for Control of SO2 emissions | Model, Installed | Finds the economically efficient level of sulfur dioxide cleanup from coal-burning power plants by comparing marginal costs and benefits of policy alternatives. Also installed with Analytica. | Cost-benefit analysis, Energy and electricity, Environment | Marginal Analysis for Control of SO2 Emissions | 4 |
| Seat belt safety | Model, Installed | Compares the value of policies for restraining automobile occupants. | Cost-benefit analysis, Public policy and economics, Risk analysis, Transportation, Uncertainty | Installed | |
| TXC example: Cost-benefit analysis of controlling emissions from a power plant | Model, Installed | How much should a coal-fired power plant control emissions of a toxic air pollutant? Compares control costs with reduced mortality under uncertainty. An update of the very first Analytica model. Installed with Analytica as Txc. | Cost-benefit analysis, Decision analysis, Energy and electricity, Environment, Health, Uncertainty, Value of information | Installed |
Data import and cleaning
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| COM integration with Excel | Model | Examples of using COM integration to change Excel workbooks and worksheets from Analytica, such as adding a worksheet. | Data import and cleaning, Modeling tools | COM integration with Excel | 31 |
| COVID-19 Case and Death data for US states and counties | Model | Reads the New York Times COVID-19 case and death data for US states and counties and transforms it into convenient Analytica arrays. | Data import and cleaning, Health | US COVID-19 Data | 13 |
| Data Standardization Library | Library | Maps inconsistent values in imported data onto standard values you choose. | Data import and cleaning | Data Standardization Library | 8 |
| Database library | Library | Create, read, update, examine and delete database tables without writing SQL. Works with Access, SQL Server, MariaDB and PostgreSQL. Includes a demo model. | Data import and cleaning | Database library Database library demo |
75 105 |
| DB Conversion Library | Library | Embeds data from a database into the model, so you can share it with someone who doesn't have the database. | Data import and cleaning | Db conversion lib | 7 |
| DBWrite Example | Model, Installed | Writes data from an Analytica model to a relational database using ODBC. | Data import and cleaning | Installed | |
| Extracting Data from an XML file | Model | Two ways to read data from an XML file: with a full XML DOM parser, or by matching patterns with regular expressions. | Data import and cleaning | Parsing XML example | 20 |
| Find Words Game | Model, Installed | Find as many English words as you can in a random tray of letters. | Data import and cleaning, Games and sports, User interface | Installed | |
| Flat File Library | Library, Installed | Reads and writes data between Analytica arrays and comma-separated (CSV) files. | Data import and cleaning | Flat File Library | 5 |
| Learning a Decision Tree with Python | Model | Uses Analytica's Python integration and scikit-learn to train a decision tree classifier on the Iris data set and report its accuracy. | AI and machine learning, Data import and cleaning | Python Decision Tree Example | 20 |
| Map images from internet | Model, Installed | Reads map images of selected areas from Google Maps and displays them in the model. | Data import and cleaning, Graphing and visualization | Installed | |
| Minimal edit distance, a 2-D dynamic | Model, Installed | Computes the Levenshtein edit distance between two text strings with the Wagner-Fischer algorithm, a 2-D Dynamic. | Data import and cleaning, Mathematics and science, Optimization | Installed | |
| ODBC Library | Library, Installed | Helps write data from Analytica into relational database tables via ODBC, notably WriteTableSql. | Data import and cleaning | ODBC-Library | 3 |
| Salesforce REST library | Library | Reads live Salesforce records and metadata into your model through the Salesforce REST API. Requires Analytica 7.1 or later. | Business, Data import and cleaning | Salesforce REST library | 24 |
| Smart MdTable library | Library | Like MdTable, but creates local indexes for the index columns automatically, so you don't need a global index for each. | Arrays, Data import and cleaning | Smart MdTable lib | 17 |
| Spreadsheet Helper Library | Library | Lists worksheet names and the workbook file name, and provides SpreadsheetOpenEx, which remembers the file chosen. | Data import and cleaning | Spreadsheet Helper lib | 4 |
| Time of Use pricing | Model | Imports actual electricity demand data and explores time-of-use rate tariffs that charge more when demand tends to exceed supply. | Data import and cleaning, Energy and electricity, Time series | Time of use pricing | 20 |
| Use of MDTable | Model, Installed | Uses MdTable to convert relational records into multidimensional arrays. | Arrays, Data import and cleaning | Installed | |
| Using GPT to clean inconsistent data | Model | Uses a large language model through the OpenAI API library to standardize inconsistent data values. | AI and machine learning, Data import and cleaning | Using GPT to clean inconsistent data | 139 |
Decision analysis
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Asset allocation | Model, Installed | Finds an investment mix that reduces risk through diversification, trading off risk and return. | Decision analysis, Finance and NPV, Optimization, Uncertainty | Installed | |
| Biotech R&D Portfolio | Model, Installed | A multi-project R&D evaluation of a typical decision faced by a biotech company. | Business, Decision analysis, Health, Optimization, Uncertainty | Installed | |
| Catching a plane example and EVIU | Model, Installed | When should you leave home to catch an early flight? Balances wasted waiting time against missing the plane, and shows the Expected Value of Including Uncertainty (EVIU). Includes slides and video. Also installed with Analytica. | Decision analysis, Personal finance and decisions, Transportation, Uncertainty, Value of information | Plane catching with UI 2020 | 15 |
| Decision tree library | Library | Build decision trees in Analytica and calculate the value of each node. Includes the party problem example. | Decision analysis | Decision Tree library Decision Tree party problem |
754 946 |
| Expected R&D Project Value | Model, Installed | Evaluates and compares the expected commercialization value of several proposed R&D projects. | Business, Decision analysis, Finance and NPV, Uncertainty | Installed | |
| Expected Value of Sampling Information (EVSI) | Model, Installed | Computes the value of more treatment trials before a drug agency decides whether to approve a new treatment. | Decision analysis, Health, Value of information | Installed | |
| From Controversy to Consensus: California's offshore oil platforms | Model | The decision model that helped stakeholders reach consensus on "rigs to reefs" for decommissioning California's 27 offshore oil platforms, comparing options across multiple attributes and stakeholder views. | Decision analysis, Energy and electricity, Environment, Public policy and economics, Sensitivity analysis | Platform 2018b | 2178 |
| LEV R&D Strategy | Model, Installed | R&D investment strategy across powerplant choices for a low-emissions vehicle. | Business, Decision analysis, Transportation, Uncertainty | Installed | |
| Mandatory vs Voluntary testing policies | Model | Compares mandatory and voluntary COVID-19 testing of a ship's crew before boarding, by the resulting infection rate among those who board. | Decision analysis, Health, Public policy and economics, Uncertainty | Voluntary vs mandatory testing | 1204 |
| Market Model | Model, Installed | Explores pricing and advertising budget decisions for a new product, using forms for user inputs and outputs. | Business, Decision analysis, User interface | Installed | |
| Multi-attribute Utility Analysis | Model, Installed | Compares cars across several attributes, where different drivers give different weights to each attribute. | Decision analysis, Personal finance and decisions, Transportation | Installed | |
| Nonsymmetric Tree | Model, Installed | An asymmetric decision tree in Analytica. | Decision analysis | Installed | |
| Optimal Path Dynamic Programming | Model, Installed | Dynamic programming solution for the optimal path through a sequential decision problem in a deterministic environment. | Decision analysis, Optimization | Optimal Path Dynamic Programming | 4 |
| Parking Space Selection | Model, Installed | Find the parking space that minimizes your time to reach a restaurant: dynamic programming with uncertainty. | Decision analysis, Optimization, Personal finance and decisions, Transportation, Uncertainty | Installed | |
| Party With Forecast | Model, Installed | Where to hold a party given uncertain weather, extended with a weather forecast to show the value of information. | Decision analysis, Personal finance and decisions, Value of information | Installed | |
| Portfolio optimization with dependencies | Model | Selects projects to maximize value subject to group budgets and dependencies, where a project can only be done if its enabling projects are. | Business, Decision analysis, Optimization | PortfolioOptimizationwithDependencies | 379 |
| Project Planner | Model | Evaluates R&D projects with uncertain costs and revenues, compares them by expected NPV and soft attributes (strategic fit, staff development, goodwill), and selects the best portfolio within a budget. | Business, Decision analysis, Finance and NPV, Optimization, Uncertainty | Project Priorities 5 0 Project priorities 2007 4.0 |
33 30 |
| Project Portfolio Planner | Model, Installed | Evaluates and prioritizes projects by estimated NPV or a multi-attribute score (strategic fit, staff development, goodwill, net revenue). | Business, Decision analysis, Finance and NPV, Optimization | Installed | |
| Retirement plan type comparison | Model | Compares the nest egg at retirement from a 401(k), traditional IRA, Roth IRA or regular brokerage account, accounting for taxes and uncertainty. A smaller version runs in Analytica Free 101. | Decision analysis, Personal finance and decisions, Sensitivity analysis, Uncertainty, User interface | Comparing retirement account types Comparing retirement account types without sensitivity |
91 64 |
| Supply and Demand | Model, Installed | Finds the supply level that maximizes profit when profit is asymmetric around average demand. | Business, Decision analysis, Uncertainty | Installed | |
| Two Branch Party Tree | Model, Installed | Where to hold a party given uncertain weather: a simple two-branch decision tree in Analytica. | Decision analysis, Personal finance and decisions | Installed | |
| TXC example: Cost-benefit analysis of controlling emissions from a power plant | Model, Installed | How much should a coal-fired power plant control emissions of a toxic air pollutant? Compares control costs with reduced mortality under uncertainty. An update of the very first Analytica model. Installed with Analytica as Txc. | Cost-benefit analysis, Decision analysis, Energy and electricity, Environment, Health, Uncertainty, Value of information | Installed | |
| Upgrade Decision | Model, Installed | Which technology to buy now, given uncertain future products and prices. | Business, Decision analysis, Uncertainty | Installed |
Dynamic simulation
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| A Triangle Suppression model of COVID-19 | Model | Models how long lockdown measures are needed under a suppression strategy for the US COVID-19 pandemic. Featured on the Analytica blog. | Dynamic simulation, Health, Scenarios | COVID-19 Triangle Suppression | 74 |
| COVID-19 Coronavirus SICR progression for 2020 | Model | A simple SICR (susceptible, incubating, contagious, recovered) model of possible COVID-19 scenarios in the US from March to December 2020. | Dynamic simulation, Health, Scenarios | Simple COVID-19 | 20 |
| COVID-19 State Simulator, a Systems Dynamics approach | Model | A system dynamics SICR model of COVID-19 in Colorado, forecasting cases, deaths and ventilator needs and the effect of lockdown timing. | Dynamic simulation, Health, Scenarios | COVID Model 2020--03-25 | 223 |
| Disease establishment | Model, Installed | Forecasts a fish population and the establishment of a contagious viral disease within it over time. | Dynamic simulation, Environment, Health, Uncertainty | Installed | |
| Donor/Presenter Dashboard | Model | Forecasts how an arts organization's audience evolves over time, using a continuous-time Markov chain with immigration and emigration at every node and uncertain inputs. | Business, Dynamic simulation, Markov models, Uncertainty | Donor Presenter Dashboard II | 112 |
| Dynamic & Dependencies | Model, User Guide | Finds the velocity and position of a dropped object over six seconds. | Dynamic simulation, Mathematics and science | Installed | |
| Dynamic & Uncertainty | Model, User Guide | Three ways to combine uncertainty with the Dynamic function. | Dynamic simulation, Uncertainty | Installed | |
| Dynamic Example 1 | Model, User Guide | The simplest dynamic model: gasoline price over five years at 5% growth. | Dynamic simulation | Installed | |
| Dynamic Example 2 | Model, User Guide | Gasoline price over time under three different inflation rates. | Dynamic simulation, Scenarios | Installed | |
| Dynamic on multiple indexes | Model, User Guide | A dynamic loop with simultaneous recurrences over two indexes. | Dynamic simulation | Dynamic on multiple indexes | 4 |
| Dynamic on non-Time index | Model, User Guide | Uses the Dynamic function for a recurrence over an index other than Time. | Dynamic simulation | Installed | |
| Earthquake Expenses | Model, Installed | Simulates expenses following earthquakes over time, answering questions such as the probability of more than one quake in a 10-year period. Also installed with Analytica as Earthquake expense risk. | Dynamic simulation, Environment, Finance and NPV, Risk analysis, Uncertainty | Earthquake expenses | 11 |
| Leveling | Model, Installed | Levels staff effort over time according to available staff, computing work done and idle time. | Business, Dynamic simulation | Installed | |
| Markov Chain | Model, Installed | Simulates the number of hospital patients over time as a Markov process. | Dynamic simulation, Health, Markov models | Markov Chain | 5 |
| Mass-Spring-Damper | Model, Installed | Simulates a free mass-spring-damper system. | Dynamic simulation, Engineering, Mathematics and science | Installed | |
| Mean-reversion trading | Model, Installed | Models a mean-reverting price process and a trading strategy to beat the market, as a Markov decision process. | Dynamic simulation, Finance and NPV, Markov models | Installed | |
| Projectile Motion | Model, Installed | Uses Time and the Dynamic function to model the motion of a projectile. | Dynamic simulation, Mathematics and science | Installed | |
| Regulation of Photosynthesis | Model | Simulates how photosynthesis is regulated in cyanobacteria as light intensity varies, tracking key transport molecules through the photosynthetic chain. | Dynamic simulation, Mathematics and science | Photosynthesis regulation Photosystem |
10 16 |
| Sales Effectiveness | Model, Installed | Effects of unit price on sales force and production capacity, turning low-medium-high estimates into continuous distributions. From Forrester's Principles of Systems. | Business, Dynamic simulation, Uncertainty | Installed | |
| Total Allowable Harvest | Model | Finds the total allowable catch or removal for a fish or animal population with poorly known dynamics. One version uses Optimizer, the other StepInterp. | Dynamic simulation, Environment, Optimization, Uncertainty | Total Allowable Removal model with Optimizer Total Allowable Removal model w StepInterp |
17 17 |
| Tunnel through earth | Model, Installed | How long would it take to fall through a tunnel straight through the center of the earth, and how fast would you go? | Dynamic simulation, Mathematics and science | Installed | |
| Unequal time steps | Model, Installed | A dynamic growth or decay model where Time has unequal time steps. | Dynamic simulation | Installed |
Energy and electricity
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| California Power Plants | Model | Shows how to use choice menus, checkboxes and default cell values inside an edit table, using a table of power plants. | Energy and electricity, User interface | California Power Plants | 3 |
| Daylighting Options in Building Design | Model, Installed | Analyzes life-cycle costs and savings of daylighting options in building design, based on the LBL daylighting nomographs. Also installed with Analytica as Daylight Analyzer. | Cost-benefit analysis, Energy and electricity, Engineering | Daylighting analyzer | 33 |
| Electrical Generation and Transmission | Model | Minimizes the total cost of generating and transmitting power across a network of nodes with generators, demand, and capacity-limited transmission links. | Energy and electricity, Engineering, Optimization | Electrical Transmission | 15 |
| From Controversy to Consensus: California's offshore oil platforms | Model | The decision model that helped stakeholders reach consensus on "rigs to reefs" for decommissioning California's 27 offshore oil platforms, comparing options across multiple attributes and stakeholder views. | Decision analysis, Energy and electricity, Environment, Public policy and economics, Sensitivity analysis | Platform 2018b | 2178 |
| Marginal Abatement Graph | Model | Builds a marginal abatement cost curve to prioritize a portfolio of carbon-reduction projects (here, home heating efficiency) by cost per tonne of CO2 avoided. Accompanies a Lumina blog article. | Energy and electricity, Environment, Graphing and visualization, Optimization | Marginal abatement home heating | 7 |
| Marginal Analysis for Control of SO2 emissions | Model, Installed | Finds the economically efficient level of sulfur dioxide cleanup from coal-burning power plants by comparing marginal costs and benefits of policy alternatives. Also installed with Analytica. | Cost-benefit analysis, Energy and electricity, Environment | Marginal Analysis for Control of SO2 Emissions | 4 |
| Power dispatch | Model, Installed | Dispatches generating units using different fuels, cheapest first, to meet varying demand, using the Dispatch function. | Energy and electricity, Optimization | Installed | |
| Sequential dispatch library | Library | SequentialDispatch extends Dispatch with a time-like index to carry over unmet demand or unused capacity. Includes a test model. | Energy and electricity, Optimization, Time series | Sequential dispatch library Sequential dispatch test |
2 3 |
| Solar Panel Analysis | Model | Would rooftop solar panels pay off for a home in San Jose? Explores how many panels to install and when, with NPV, IRR and payback, including tax credits and falling PV prices. A video shows how the model was built. | Energy and electricity, Finance and NPV, Personal finance and decisions, Scenarios | Solar Panel Analysis | 17 |
| Time of Use pricing | Model | Imports actual electricity demand data and explores time-of-use rate tariffs that charge more when demand tends to exceed supply. | Data import and cleaning, Energy and electricity, Time series | Time of use pricing | 20 |
| TXC example: Cost-benefit analysis of controlling emissions from a power plant | Model, Installed | How much should a coal-fired power plant control emissions of a toxic air pollutant? Compares control costs with reduced mortality under uncertainty. An update of the very first Analytica model. Installed with Analytica as Txc. | Cost-benefit analysis, Decision analysis, Energy and electricity, Environment, Health, Uncertainty, Value of information | Installed |
Engineering
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Adaptive Filter | Model, Installed | Fits noisy time-sequence data using an adaptive filter. | Engineering, Regression and curve fitting, Time series | Installed | |
| Antenna Gain | Model, Installed | Calculates the expected gain of an antenna looking at two different satellites. | Engineering, Mathematics and science, Uncertainty | Installed | |
| Autocorrelation | Model, Installed | Calculates autocorrelation coefficients of noisy time-sequence data. | Engineering, Statistics, Time series | Installed | |
| Compression Post Load Calculator | Model, Installed | Computes the load a Douglas Fir-Larch post can support in compression, for different timber types, grades and sizes. Also installed with Analytica. | Engineering, Mathematics and science | Compression Post Load Capacity | 7 |
| Convolution | Model | A Convolve function that combines two time series, with several examples of convolved functions. | Engineering, Time series, User-defined functions | Convolution | 4 |
| Daylighting Options in Building Design | Model, Installed | Analyzes life-cycle costs and savings of daylighting options in building design, based on the LBL daylighting nomographs. Also installed with Analytica as Daylight Analyzer. | Cost-benefit analysis, Energy and electricity, Engineering | Daylighting analyzer | 33 |
| Dishwasher warranty reliability | Model | Turns technicians' free-text service notes into a failure model, a warranty reserve, a spare-parts plan and a design decision, using the Jev library. | AI and machine learning, Business, Engineering, Manufacturing and supply chain, Risk analysis, Uncertainty | Dishwasher warranty reliability | 206 |
| Electrical Generation and Transmission | Model | Minimizes the total cost of generating and transmitting power across a network of nodes with generators, demand, and capacity-limited transmission links. | Energy and electricity, Engineering, Optimization | Electrical Transmission | 15 |
| Failure Analysis | Model, Installed | Simulates failures of a system with parallel and series components, using a DetermTable to assess the system state. | Engineering, Risk analysis, Uncertainty, User interface | Installed | |
| Mass-Spring-Damper | Model, Installed | Simulates a free mass-spring-damper system. | Dynamic simulation, Engineering, Mathematics and science | Installed | |
| Subscriber Pricing | Model, Installed | Calculates the monthly revenue needed per subscriber for a service to earn the firm's weighted average cost of capital. | Business, Engineering, Finance and NPV | Installed | |
| Timber Post Compression Load Capacity | Model | Calculates the maximum load a Douglas Fir-Larch post of a given size, grade and composition can carry in a construction setting. | Engineering, Mathematics and science | PostCompression | 7 |
| Units Conversion Library | Library | Converts between units, such as feet to kilometers or Btu to gigajoules, making conversions explicit in your model. | Engineering, Mathematics and science | Units conversion library | 58 |
| Weibull estimation library | Library | Estimates Weibull time-to-failure distributions from data, including right-censored data where some units are still working. | Engineering, Health, Risk analysis, Statistics | Weibull estimation lib | 18 |
Environment
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Disease establishment | Model, Installed | Forecasts a fish population and the establishment of a contagious viral disease within it over time. | Dynamic simulation, Environment, Health, Uncertainty | Installed | |
| Earthquake Expenses | Model, Installed | Simulates expenses following earthquakes over time, answering questions such as the probability of more than one quake in a 10-year period. Also installed with Analytica as Earthquake expense risk. | Dynamic simulation, Environment, Finance and NPV, Risk analysis, Uncertainty | Earthquake expenses | 11 |
| From Controversy to Consensus: California's offshore oil platforms | Model | The decision model that helped stakeholders reach consensus on "rigs to reefs" for decommissioning California's 27 offshore oil platforms, comparing options across multiple attributes and stakeholder views. | Decision analysis, Energy and electricity, Environment, Public policy and economics, Sensitivity analysis | Platform 2018b | 2178 |
| Marginal Abatement Graph | Model | Builds a marginal abatement cost curve to prioritize a portfolio of carbon-reduction projects (here, home heating efficiency) by cost per tonne of CO2 avoided. Accompanies a Lumina blog article. | Energy and electricity, Environment, Graphing and visualization, Optimization | Marginal abatement home heating | 7 |
| Marginal Analysis for Control of SO2 emissions | Model, Installed | Finds the economically efficient level of sulfur dioxide cleanup from coal-burning power plants by comparing marginal costs and benefits of policy alternatives. Also installed with Analytica. | Cost-benefit analysis, Energy and electricity, Environment | Marginal Analysis for Control of SO2 Emissions | 4 |
| Total Allowable Harvest | Model | Finds the total allowable catch or removal for a fish or animal population with poorly known dynamics. One version uses Optimizer, the other StepInterp. | Dynamic simulation, Environment, Optimization, Uncertainty | Total Allowable Removal model with Optimizer Total Allowable Removal model w StepInterp |
17 17 |
| TXC example: Cost-benefit analysis of controlling emissions from a power plant | Model, Installed | How much should a coal-fired power plant control emissions of a toxic air pollutant? Compares control costs with reduced mortality under uncertainty. An update of the very first Analytica model. Installed with Analytica as Txc. | Cost-benefit analysis, Decision analysis, Energy and electricity, Environment, Health, Uncertainty, Value of information | Installed |
Finance and NPV
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Asset allocation | Model, Installed | Finds an investment mix that reduces risk through diversification, trading off risk and return. | Decision analysis, Finance and NPV, Optimization, Uncertainty | Installed | |
| Bond Model | Model, Installed | Calculates bond cash flows, current yield and yield to maturity from purchase price, par value, interest rate and life to maturity. | Finance and NPV | Bond Model | 9 |
| Capital Investment | Model, Installed | Chooses which of four projects to fund to maximize total return. | Business, Finance and NPV, Optimization | Installed | |
| Diversification Illustration | Model, Installed | A Blitzogram showing how diversifying over more investments changes the distribution of returns. | Finance and NPV, Graphing and visualization, Uncertainty | Installed | |
| Earthquake Expenses | Model, Installed | Simulates expenses following earthquakes over time, answering questions such as the probability of more than one quake in a 10-year period. Also installed with Analytica as Earthquake expense risk. | Dynamic simulation, Environment, Finance and NPV, Risk analysis, Uncertainty | Earthquake expenses | 11 |
| Expand Index | Library, Installed | A Change Index function that re-indexes an array onto another index, e.g., to combine cash flows over different time periods. | Arrays, Finance and NPV | Expand Index | 4 |
| Expected R&D Project Value | Model, Installed | Evaluates and compares the expected commercialization value of several proposed R&D projects. | Business, Decision analysis, Finance and NPV, Uncertainty | Installed | |
| Financial library | Library, Installed | Corporate finance functions such as Black-Scholes option values, CAPM, adjusted cost of capital and bond pricing. (Standard Excel-like financial functions are built in.) | Finance and NPV | Financial Library | 23 |
| Financial Statement Templates | Model, Installed | A complete set of standard financial statements (profit and loss, balance sheet, cash flow) with a step-by-step guide to adapting them. | Finance and NPV | Installed | |
| Loan Policy Selection | Model | Helps a lender choose the credit-rating threshold and interest rate to charge, considering competition and default risk that depends on the economy and borrower credit rating. | Finance and NPV, Optimization, Risk analysis, Uncertainty | Loan policy selection | 28 |
| Mean-reversion trading | Model, Installed | Models a mean-reverting price process and a trading strategy to beat the market, as a Markov decision process. | Dynamic simulation, Finance and NPV, Markov models | Installed | |
| Modeling Depreciation | Model | Shows how to compute depreciation from a schedule of spending and a depreciation schedule over time. | Arrays, Finance and NPV | Fixed Amortization Schedule | 2 |
| Project Planner | Model | Evaluates R&D projects with uncertain costs and revenues, compares them by expected NPV and soft attributes (strategic fit, staff development, goodwill), and selects the best portfolio within a budget. | Business, Decision analysis, Finance and NPV, Optimization, Uncertainty | Project Priorities 5 0 Project priorities 2007 4.0 |
33 30 |
| Project Portfolio Planner | Model, Installed | Evaluates and prioritizes projects by estimated NPV or a multi-attribute score (strategic fit, staff development, goodwill, net revenue). | Business, Decision analysis, Finance and NPV, Optimization | Installed | |
| Solar Panel Analysis | Model | Would rooftop solar panels pay off for a home in San Jose? Explores how many panels to install and when, with NPV, IRR and payback, including tax credits and falling PV prices. A video shows how the model was built. | Energy and electricity, Finance and NPV, Personal finance and decisions, Scenarios | Solar Panel Analysis | 17 |
| Subscriber Pricing | Model, Installed | Calculates the monthly revenue needed per subscriber for a service to earn the firm's weighted average cost of capital. | Business, Engineering, Finance and NPV | Installed | |
| Waterfall chart | Model, Installed | Shows how to build a waterfall chart of the components of an asset's earnings stream. | Finance and NPV, Graphing and visualization | Installed |
Games and sports
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| 2018 World Cup Soccer final | Model | How much of France's 4-2 World Cup win over Croatia was skill and how much was chance? Accompanies a blog article on randomness in outcomes. | Bayesian methods, Games and sports, Statistics, Uncertainty | World cup | 6 |
| Chess with GPT | Model | Play chess against a GPT model through the OpenAI API library. | AI and machine learning, Games and sports | Chess with GPT | 97 |
| Find Words Game | Model, Installed | Find as many English words as you can in a random tray of letters. | Data import and cleaning, Games and sports, User interface | Installed | |
| Magic Square | Model, Installed | Fills a magic square using a grouped-integer domain. | Games and sports, Mathematics and science, Optimization | Installed | |
| Probability assessment | Model, Installed | A trivia game that scores how well you calibrate your uncertainty, to improve your personal calibration. | Games and sports, Uncertainty | Probability assessment | 36 |
| Sudoku with Optimizer | Model, Installed | Solves a Sudoku puzzle with the Optimizer. | Games and sports, Optimization | Installed |
Graphing and visualization
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Cell Icon Set Library | Library | Pre-curated icon sets for table cells that automatically pick the icon that depicts each value. | Graphing and visualization | Cell Icon Set Library | 611 |
| Color Map | Model | Computes table cell fill colors from red, green and blue inputs, showing computed cell formats and contrasting font colors. | Graphing and visualization | Color map | 6 |
| Data Visualization Examples | Model | A gallery of custom graphs and displays, from cell formatting to maps, with step-by-step instructions for reusing them in your own models. | Graphing and visualization | Advanced_Visualization_Examples_Jun2023 | |
| Dependency Tracker Module | Model | A module that highlights the paths by which one variable influences another, and which nodes are upstream or downstream of a variable. | Graphing and visualization, Modeling tools, User interface, User-defined functions | Dependency Tracker | 9 |
| Diversification Illustration | Model, Installed | A Blitzogram showing how diversifying over more investments changes the distribution of returns. | Finance and NPV, Graphing and visualization, Uncertainty | Installed | |
| Fractals everywhere | Model, Installed | A Monte Carlo simulation that draws a Barnsley fern fractal. | Graphing and visualization, Mathematics and science, Uncertainty | Installed | |
| Kmeans Clustering | Model, Installed | Applies K-means clustering to random data to group similar points, with scatter plots and the Iterate function. | AI and machine learning, Graphing and visualization, Statistics, User-defined functions | Installed | |
| Map images from internet | Model, Installed | Reads map images of selected areas from Google Maps and displays them in the model. | Data import and cleaning, Graphing and visualization | Installed | |
| Marginal Abatement Graph | Model | Builds a marginal abatement cost curve to prioritize a portfolio of carbon-reduction projects (here, home heating efficiency) by cost per tonne of CO2 avoided. Accompanies a Lumina blog article. | Energy and electricity, Environment, Graphing and visualization, Optimization | Marginal abatement home heating | 7 |
| Red or blue state | Model | Shape outlines of the 50 US states with a color-coded map of political leaning. The state shapes are reusable for your own maps. | Graphing and visualization, Public policy and economics | Red State Blue State plot | 2366 |
| Smooth PDF plots using Kernel Density Estimation | Model | A simple fixed-width kernel density estimator that gives smoother probability density plots than the histogram-based PDF. | Graphing and visualization, Statistics | Kernel Density Estimation | 3 |
| Sparkline Library | Library, Installed | Inserts miniature line, bar and win-loss plots into result table cells. | Graphing and visualization | Sparkline Library | 11 |
| Themes Library | Library | Preset themes to quickly update your model's diagram and graph styles. | Graphing and visualization, Modeling tools | Themes Library | 421 |
| Waterfall chart | Model, Installed | Shows how to build a waterfall chart of the components of an asset's earnings stream. | Finance and NPV, Graphing and visualization | Installed |
Health
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| A Triangle Suppression model of COVID-19 | Model | Models how long lockdown measures are needed under a suppression strategy for the US COVID-19 pandemic. Featured on the Analytica blog. | Dynamic simulation, Health, Scenarios | COVID-19 Triangle Suppression | 74 |
| Big Mac Attack | Model, Installed | Meet daily dietary needs at McDonald's while minimizing cost, calories or carbohydrates, with continuous, integer or binary solutions. | Health, Manufacturing and supply chain, Optimization | Installed | |
| Biotech R&D Portfolio | Model, Installed | A multi-project R&D evaluation of a typical decision faced by a biotech company. | Business, Decision analysis, Health, Optimization, Uncertainty | Installed | |
| COVID-19 Case and Death data for US states and counties | Model | Reads the New York Times COVID-19 case and death data for US states and counties and transforms it into convenient Analytica arrays. | Data import and cleaning, Health | US COVID-19 Data | 13 |
| COVID-19 Coronavirus SICR progression for 2020 | Model | A simple SICR (susceptible, incubating, contagious, recovered) model of possible COVID-19 scenarios in the US from March to December 2020. | Dynamic simulation, Health, Scenarios | Simple COVID-19 | 20 |
| COVID-19 State Simulator, a Systems Dynamics approach | Model | A system dynamics SICR model of COVID-19 in Colorado, forecasting cases, deaths and ventilator needs and the effect of lockdown timing. | Dynamic simulation, Health, Scenarios | COVID Model 2020--03-25 | 223 |
| Disease establishment | Model, Installed | Forecasts a fish population and the establishment of a contagious viral disease within it over time. | Dynamic simulation, Environment, Health, Uncertainty | Installed | |
| Epidemiological model of COVID-19 for Perú, en español | Model | A Spanish-language Markov model of COVID-19 in Peru and the impact of social isolation, adapted from the US Markov model. | Health, Markov models, Scenarios | Modelo Epidemiologoco para el Covid-19 con cuarentena | 29 |
| Expected Value of Sampling Information (EVSI) | Model, Installed | Computes the value of more treatment trials before a drug agency decides whether to approve a new treatment. | Decision analysis, Health, Value of information | Installed | |
| How social isolation impacts COVID-19 spread in the US - A Markov model approach | Model | A Markov model of the COVID-19 epidemic in the US exploring the effect of different levels of social isolation. Showcased in a blog article. | Health, Markov models, Scenarios, Sensitivity analysis | Corona Markov | 26 |
| Logistic regression prior selection | Model, Installed | Fits logistic and probit regression to breast cancer data and shows how the Bayesian prior affects generalization. | Bayesian methods, Health, Regression and curve fitting, Statistics | Installed | |
| Mandatory vs Voluntary testing policies | Model | Compares mandatory and voluntary COVID-19 testing of a ship's crew before boarding, by the resulting infection rate among those who board. | Decision analysis, Health, Public policy and economics, Uncertainty | Voluntary vs mandatory testing | 1204 |
| Markov Chain | Model, Installed | Simulates the number of hospital patients over time as a Markov process. | Dynamic simulation, Health, Markov models | Markov Chain | 5 |
| TXC example: Cost-benefit analysis of controlling emissions from a power plant | Model, Installed | How much should a coal-fired power plant control emissions of a toxic air pollutant? Compares control costs with reduced mortality under uncertainty. An update of the very first Analytica model. Installed with Analytica as Txc. | Cost-benefit analysis, Decision analysis, Energy and electricity, Environment, Health, Uncertainty, Value of information | Installed | |
| Weibull estimation library | Library | Estimates Weibull time-to-failure distributions from data, including right-censored data where some units are still working. | Engineering, Health, Risk analysis, Statistics | Weibull estimation lib | 18 |
Manufacturing and supply chain
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Automobile Production | Model, Installed | A linear programming example of automobile production planning. | Manufacturing and supply chain, Optimization, Transportation | Installed | |
| Beer Distribution LP | Model, Installed | Three stages of the brewery-to-market shipping model used in the Optimizer Guide. | Manufacturing and supply chain, Optimization | Installed | |
| Big Mac Attack | Model, Installed | Meet daily dietary needs at McDonald's while minimizing cost, calories or carbohydrates, with continuous, integer or binary solutions. | Health, Manufacturing and supply chain, Optimization | Installed | |
| Dishwasher warranty reliability | Model | Turns technicians' free-text service notes into a failure model, a warranty reserve, a spare-parts plan and a design decision, using the Jev library. | AI and machine learning, Business, Engineering, Manufacturing and supply chain, Risk analysis, Uncertainty | Dishwasher warranty reliability | 206 |
| Labor production allocation | Model, Installed | A linear program that decides which products to make and how to allocate workers by skill. | Business, Manufacturing and supply chain, Optimization | Installed | |
| Linearizing a discrete NSP | Model | A cereal formulation model that chooses ingredients to minimize cost, linearizing a discrete problem with Boolean decision arrays and piecewise-linear prices. | Manufacturing and supply chain, Optimization | Cereal Formulation1 | 9 |
| Optimal can dimensions | Model, Installed | Finds the dimensions of a cylindrical can that holds a given volume with the least material. | Manufacturing and supply chain, Optimization | Installed | |
| Optimal Production Allocation | Model, Installed | Allocates machine time across chip products to maximize profit with linear programming. | Manufacturing and supply chain, Optimization | Optimal production allocation | 6 |
| Production Planning LP | Model, Installed | Plans production of four product versions given assembly, polishing and packing capacity. | Manufacturing and supply chain, Optimization | Installed | |
| Traveling salesman | Model, Installed | Finds a minimal-length tour through a set of cities. | Manufacturing and supply chain, Optimization, Transportation | Traveling salesman | 4 |
| Two Mines Model | Model, Installed | Meets a smelter's contract for three grades of ore at least cost from two mines. | Manufacturing and supply chain, Optimization | Installed |
Markov models
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Donor/Presenter Dashboard | Model | Forecasts how an arts organization's audience evolves over time, using a continuous-time Markov chain with immigration and emigration at every node and uncertain inputs. | Business, Dynamic simulation, Markov models, Uncertainty | Donor Presenter Dashboard II | 112 |
| Epidemiological model of COVID-19 for Perú, en español | Model | A Spanish-language Markov model of COVID-19 in Peru and the impact of social isolation, adapted from the US Markov model. | Health, Markov models, Scenarios | Modelo Epidemiologoco para el Covid-19 con cuarentena | 29 |
| How social isolation impacts COVID-19 spread in the US - A Markov model approach | Model | A Markov model of the COVID-19 epidemic in the US exploring the effect of different levels of social isolation. Showcased in a blog article. | Health, Markov models, Scenarios, Sensitivity analysis | Corona Markov | 26 |
| Markov Chain | Model, Installed | Simulates the number of hospital patients over time as a Markov process. | Dynamic simulation, Health, Markov models | Markov Chain | 5 |
| Mean-reversion trading | Model, Installed | Models a mean-reverting price process and a trading strategy to beat the market, as a Markov decision process. | Dynamic simulation, Finance and NPV, Markov models | Installed |
Mathematics and science
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Antenna Gain | Model, Installed | Calculates the expected gain of an antenna looking at two different satellites. | Engineering, Mathematics and science, Uncertainty | Installed | |
| Base Conversion Function Library | Library, Installed | Converts between binary, octal, decimal and hexadecimal, equivalent to the Excel functions of the same names. | Mathematics and science | Base Conversion Library | 10 |
| Complex Numbers (obsolete) | Library, Installed | Obsolete: complex numbers are now built into Analytica. Kept for backward compatibility. | Mathematics and science | Complex Library | 10 |
| Compression Post Load Calculator | Model, Installed | Computes the load a Douglas Fir-Larch post can support in compression, for different timber types, grades and sizes. Also installed with Analytica. | Engineering, Mathematics and science | Compression Post Load Capacity | 7 |
| Dynamic & Dependencies | Model, User Guide | Finds the velocity and position of a dropped object over six seconds. | Dynamic simulation, Mathematics and science | Installed | |
| Extracting Diagonal | Model, Installed | Extracts the diagonal of a matrix. | Arrays, Mathematics and science | Installed | |
| Fractals everywhere | Model, Installed | A Monte Carlo simulation that draws a Barnsley fern fractal. | Graphing and visualization, Mathematics and science, Uncertainty | Installed | |
| GCD function library | Library | Two functions for computing the greatest common divisor. | Mathematics and science, User-defined functions | GCD function library | 2 |
| Ideal Gas Law | Model, Installed | Solves PV = nRT for any one unknown given the other three, in a variety of units. | Mathematics and science | Installed | |
| Legendre Library | Library | Gauss-Legendre quadrature and numerically stable Legendre polynomials, derivatives, zeros and coefficients. | Mathematics and science | Legendre library | 139 |
| Magic Square | Model, Installed | Fills a magic square using a grouped-integer domain. | Games and sports, Mathematics and science, Optimization | Installed | |
| Mass-Spring-Damper | Model, Installed | Simulates a free mass-spring-damper system. | Dynamic simulation, Engineering, Mathematics and science | Installed | |
| Minimal edit distance, a 2-D dynamic | Model, Installed | Computes the Levenshtein edit distance between two text strings with the Wagner-Fischer algorithm, a 2-D Dynamic. | Data import and cleaning, Mathematics and science, Optimization | Installed | |
| Newton-Raphson Method | Model, Installed | Implements Newton's method for finding a root of f(x) = 0. | Mathematics and science, User-defined functions | Installed | |
| NLP with Jacobian | Model, Installed | Uses an analytic Jacobian and gradient to speed up a constrained nonlinear optimization. | Mathematics and science, Optimization | Installed | |
| Optimization Functions | Library, Installed | Simple GoalSeek, Solve and Gradient functions that work in any edition, without Analytica Optimizer. | Mathematics and science, Optimization | Optimization Functions | 6 |
| Polynomial NLP | Model, Installed | A simple 1-D example of the problem of local optima. | Mathematics and science, Optimization | Polynomial NLP | 12 |
| Problems with Local Optima | Model, Installed | Shows how nonlinear optimization can get stuck in local optima, and ways to find the global optimum. | Mathematics and science, Optimization | Installed | |
| Projectile Motion | Model, Installed | Uses Time and the Dynamic function to model the motion of a projectile. | Dynamic simulation, Mathematics and science | Installed | |
| Quadratic Constraints | Model, Installed | A quadratically constrained optimization problem with a quadratic objective. | Mathematics and science, Optimization | Installed | |
| Regular polygon calculator | Model, Installed | Computes all the metrics of a regular N-sided polygon from any one of them, using OnChange handlers to update linked inputs. | Mathematics and science, User interface | Installed | |
| Regulation of Photosynthesis | Model | Simulates how photosynthesis is regulated in cyanobacteria as light intensity varies, tracking key transport molecules through the photosynthetic chain. | Dynamic simulation, Mathematics and science | Photosynthesis regulation Photosystem |
10 16 |
| Solve using NLP | Model, Installed | Solves a nonlinear equation by encoding it as a constraint in a nonlinear program. | Mathematics and science, Optimization | Installed | |
| Tax bracket interpolation | Model | Computes US federal income tax from taxable income, reproducing the IRS tax tables exactly by handling tax brackets and the IRS rounding rules. | Mathematics and science, Personal finance and decisions | Tax bracket interpolation 2021 | 248 |
| Timber Post Compression Load Capacity | Model | Calculates the maximum load a Douglas Fir-Larch post of a given size, grade and composition can carry in a construction setting. | Engineering, Mathematics and science | PostCompression | 7 |
| Time-series re-indexing | Model | Maps measurements taken at irregular times onto a uniform weekly time index by interpolation, then shows other basic time-series re-indexing techniques. | Arrays, Mathematics and science, Time series | Time-series-reindexing | 11 |
| Tunnel through earth | Model, Installed | How long would it take to fall through a tunnel straight through the center of the earth, and how fast would you go? | Dynamic simulation, Mathematics and science | Installed | |
| Units Conversion Library | Library | Converts between units, such as feet to kilometers or Btu to gigajoules, making conversions explicit in your model. | Engineering, Mathematics and science | Units conversion library | 58 |
| Vector Math | Model | Functions for geospatial calculations: vector cross products, spherical-Cartesian conversion, bearings and great-circle distances between latitude-longitude points. | Mathematics and science, User-defined functions | Vector Math | 24 |
Modeling tools
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| ACP style library | Library, Installed | Customize how your model looks in Analytica Cloud Platform (ACP) through a GUI, instead of typing style attributes by hand. | Modeling tools, User interface | ACP style library | 348 |
| COM integration with Excel | Model | Examples of using COM integration to change Excel workbooks and worksheets from Analytica, such as adding a worksheet. | Data import and cleaning, Modeling tools | COM integration with Excel | 31 |
| Dependency Tracker Module | Model | A module that highlights the paths by which one variable influences another, and which nodes are upstream or downstream of a variable. | Graphing and visualization, Modeling tools, User interface, User-defined functions | Dependency Tracker | 9 |
| Garbage Bin | Library, Installed | A recycle bin module for your model: drag objects into it instead of deleting them, and retrieve them if needed. | Modeling tools | Garbage Bin | 7 |
| Large Sample Library | Library | Runs a Monte Carlo simulation with a sample too large for memory by running it in batches and accumulating results for selected variables. | Modeling tools, Statistics, Uncertainty | Large Sample Library v10 | 39 |
| Model Documentation Library | Library | Produces a concise table of every object in a module with selected attributes (title, description, units, definition) that you can export to Excel and print. | Modeling tools | Model Documentation Library | 14 |
| Multi-lingual Influence Diagram | Model | Keeps titles and descriptions in both English and French, switching the whole diagram's language with a pull-down menu. | Modeling tools, User interface, User-defined functions | French-English | 6 |
| Mutables library | Library, Installed | Mutables are memory locations you can write to as a side effect of a calculation and read later, useful for debugging complex data structures. | Modeling tools, User-defined functions | Mutables library | 4 |
| Performance Profiler library | Library, Installed | Shows the CPU time and memory used by every variable and function, so you can find what slows your model down. | Modeling tools | Performance Profiler | 8 |
| Themes Library | Library | Preset themes to quickly update your model's diagram and graph styles. | Graphing and visualization, Modeling tools | Themes Library | 421 |
Optimization
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Airline NLP | Model, Installed | Examples of nonlinear programming optimization with Intelligent Arrays for an airline. | Arrays, Optimization, Transportation | Installed | |
| Asset allocation | Model, Installed | Finds an investment mix that reduces risk through diversification, trading off risk and return. | Decision analysis, Finance and NPV, Optimization, Uncertainty | Installed | |
| Automobile Production | Model, Installed | A linear programming example of automobile production planning. | Manufacturing and supply chain, Optimization, Transportation | Installed | |
| Beer Distribution LP | Model, Installed | Three stages of the brewery-to-market shipping model used in the Optimizer Guide. | Manufacturing and supply chain, Optimization | Installed | |
| Big Mac Attack | Model, Installed | Meet daily dietary needs at McDonald's while minimizing cost, calories or carbohydrates, with continuous, integer or binary solutions. | Health, Manufacturing and supply chain, Optimization | Installed | |
| Biotech R&D Portfolio | Model, Installed | A multi-project R&D evaluation of a typical decision faced by a biotech company. | Business, Decision analysis, Health, Optimization, Uncertainty | Installed | |
| Capital Investment | Model, Installed | Chooses which of four projects to fund to maximize total return. | Business, Finance and NPV, Optimization | Installed | |
| Electrical Generation and Transmission | Model | Minimizes the total cost of generating and transmitting power across a network of nodes with generators, demand, and capacity-limited transmission links. | Energy and electricity, Engineering, Optimization | Electrical Transmission | 15 |
| Infeasible | Model, Installed | Diagnoses an infeasible set of linear constraints. | Optimization | Installed | |
| Items within Budget function | Model | A function that selects the highest-priority items whose cumulative cost fits within a fixed budget. | Business, Optimization, User-defined functions | Items within budget | 3 |
| Labor production allocation | Model, Installed | A linear program that decides which products to make and how to allocate workers by skill. | Business, Manufacturing and supply chain, Optimization | Installed | |
| Linearizing a discrete NSP | Model | A cereal formulation model that chooses ingredients to minimize cost, linearizing a discrete problem with Boolean decision arrays and piecewise-linear prices. | Manufacturing and supply chain, Optimization | Cereal Formulation1 | 9 |
| LLMs as optimizers - linear regression | Model | Explores using a large language model as an optimizer to fit a linear regression. | AI and machine learning, Optimization, Regression and curve fitting | LLMs as optimizers - linear regression | 12 |
| Loan Policy Selection | Model | Helps a lender choose the credit-rating threshold and interest rate to charge, considering competition and default risk that depends on the economy and borrower credit rating. | Finance and NPV, Optimization, Risk analysis, Uncertainty | Loan policy selection | 28 |
| Magic Square | Model, Installed | Fills a magic square using a grouped-integer domain. | Games and sports, Mathematics and science, Optimization | Installed | |
| Marginal Abatement Graph | Model | Builds a marginal abatement cost curve to prioritize a portfolio of carbon-reduction projects (here, home heating efficiency) by cost per tonne of CO2 avoided. Accompanies a Lumina blog article. | Energy and electricity, Environment, Graphing and visualization, Optimization | Marginal abatement home heating | 7 |
| Minimal edit distance, a 2-D dynamic | Model, Installed | Computes the Levenshtein edit distance between two text strings with the Wagner-Fischer algorithm, a 2-D Dynamic. | Data import and cleaning, Mathematics and science, Optimization | Installed | |
| Neural Network | Model | Trains a 2-layer feed-forward neural network with the Analytica Optimizer on four sample data sets, then tests it on held-out examples. | AI and machine learning, Optimization, Regression and curve fitting | Neural-Network | 48 |
| NLP with Jacobian | Model, Installed | Uses an analytic Jacobian and gradient to speed up a constrained nonlinear optimization. | Mathematics and science, Optimization | Installed | |
| Optimal can dimensions | Model, Installed | Finds the dimensions of a cylindrical can that holds a given volume with the least material. | Manufacturing and supply chain, Optimization | Installed | |
| Optimal Path Dynamic Programming | Model, Installed | Dynamic programming solution for the optimal path through a sequential decision problem in a deterministic environment. | Decision analysis, Optimization | Optimal Path Dynamic Programming | 4 |
| Optimal Production Allocation | Model, Installed | Allocates machine time across chip products to maximize profit with linear programming. | Manufacturing and supply chain, Optimization | Optimal production allocation | 6 |
| Optimization Functions | Library, Installed | Simple GoalSeek, Solve and Gradient functions that work in any edition, without Analytica Optimizer. | Mathematics and science, Optimization | Optimization Functions | 6 |
| Parking Space Selection | Model, Installed | Find the parking space that minimizes your time to reach a restaurant: dynamic programming with uncertainty. | Decision analysis, Optimization, Personal finance and decisions, Transportation, Uncertainty | Installed | |
| Plane allocation LP | Model, Installed | Allocates planes to origin-destination legs to maximize gross margin. | Optimization, Transportation | Plane Allocation LP | 9 |
| Polynomial NLP | Model, Installed | A simple 1-D example of the problem of local optima. | Mathematics and science, Optimization | Polynomial NLP | 12 |
| Portfolio optimization with dependencies | Model | Selects projects to maximize value subject to group budgets and dependencies, where a project can only be done if its enabling projects are. | Business, Decision analysis, Optimization | PortfolioOptimizationwithDependencies | 379 |
| Power dispatch | Model, Installed | Dispatches generating units using different fuels, cheapest first, to meet varying demand, using the Dispatch function. | Energy and electricity, Optimization | Installed | |
| Problems with Local Optima | Model, Installed | Shows how nonlinear optimization can get stuck in local optima, and ways to find the global optimum. | Mathematics and science, Optimization | Installed | |
| Production Planning LP | Model, Installed | Plans production of four product versions given assembly, polishing and packing capacity. | Manufacturing and supply chain, Optimization | Installed | |
| Project Planner | Model | Evaluates R&D projects with uncertain costs and revenues, compares them by expected NPV and soft attributes (strategic fit, staff development, goodwill), and selects the best portfolio within a budget. | Business, Decision analysis, Finance and NPV, Optimization, Uncertainty | Project Priorities 5 0 Project priorities 2007 4.0 |
33 30 |
| Project Portfolio Planner | Model, Installed | Evaluates and prioritizes projects by estimated NPV or a multi-attribute score (strategic fit, staff development, goodwill, net revenue). | Business, Decision analysis, Finance and NPV, Optimization | Installed | |
| Quadratic Constraints | Model, Installed | A quadratically constrained optimization problem with a quadratic objective. | Mathematics and science, Optimization | Installed | |
| Sequential dispatch library | Library | SequentialDispatch extends Dispatch with a time-like index to carry over unmet demand or unused capacity. Includes a test model. | Energy and electricity, Optimization, Time series | Sequential dispatch library Sequential dispatch test |
2 3 |
| Solve using NLP | Model, Installed | Solves a nonlinear equation by encoding it as a constraint in a nonlinear program. | Mathematics and science, Optimization | Installed | |
| Structured Opt Tools library | Library, Installed | Functions for structured optimization models, such as setting decision definitions to the optimal solution and restoring them. Requires Optimizer. | Optimization | Installed | |
| Sudoku with Optimizer | Model, Installed | Solves a Sudoku puzzle with the Optimizer. | Games and sports, Optimization | Installed | |
| Total Allowable Harvest | Model | Finds the total allowable catch or removal for a fish or animal population with poorly known dynamics. One version uses Optimizer, the other StepInterp. | Dynamic simulation, Environment, Optimization, Uncertainty | Total Allowable Removal model with Optimizer Total Allowable Removal model w StepInterp |
17 17 |
| Traveling salesman | Model, Installed | Finds a minimal-length tour through a set of cities. | Manufacturing and supply chain, Optimization, Transportation | Traveling salesman | 4 |
| Two Mines Model | Model, Installed | Meets a smelter's contract for three grades of ore at least cost from two mines. | Manufacturing and supply chain, Optimization | Installed | |
| Vacation plan with PWL tax | Model, Installed | Uses LinearInterp to encode a piecewise-linear tax in an integer linear program. | Optimization, Personal finance and decisions | Installed |
Personal finance and decisions
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Catching a plane example and EVIU | Model, Installed | When should you leave home to catch an early flight? Balances wasted waiting time against missing the plane, and shows the Expected Value of Including Uncertainty (EVIU). Includes slides and video. Also installed with Analytica. | Decision analysis, Personal finance and decisions, Transportation, Uncertainty, Value of information | Plane catching with UI 2020 | 15 |
| Multi-attribute Utility Analysis | Model, Installed | Compares cars across several attributes, where different drivers give different weights to each attribute. | Decision analysis, Personal finance and decisions, Transportation | Installed | |
| Parking Space Selection | Model, Installed | Find the parking space that minimizes your time to reach a restaurant: dynamic programming with uncertainty. | Decision analysis, Optimization, Personal finance and decisions, Transportation, Uncertainty | Installed | |
| Party With Forecast | Model, Installed | Where to hold a party given uncertain weather, extended with a weather forecast to show the value of information. | Decision analysis, Personal finance and decisions, Value of information | Installed | |
| Retirement plan type comparison | Model | Compares the nest egg at retirement from a 401(k), traditional IRA, Roth IRA or regular brokerage account, accounting for taxes and uncertainty. A smaller version runs in Analytica Free 101. | Decision analysis, Personal finance and decisions, Sensitivity analysis, Uncertainty, User interface | Comparing retirement account types Comparing retirement account types without sensitivity |
91 64 |
| Solar Panel Analysis | Model | Would rooftop solar panels pay off for a home in San Jose? Explores how many panels to install and when, with NPV, IRR and payback, including tax credits and falling PV prices. A video shows how the model was built. | Energy and electricity, Finance and NPV, Personal finance and decisions, Scenarios | Solar Panel Analysis | 17 |
| Tax bracket interpolation | Model | Computes US federal income tax from taxable income, reproducing the IRS tax tables exactly by handling tax brackets and the IRS rounding rules. | Mathematics and science, Personal finance and decisions | Tax bracket interpolation 2021 | 248 |
| Two Branch Party Tree | Model, Installed | Where to hold a party given uncertain weather: a simple two-branch decision tree in Analytica. | Decision analysis, Personal finance and decisions | Installed | |
| Vacation plan with PWL tax | Model, Installed | Uses LinearInterp to encode a piecewise-linear tax in an integer linear program. | Optimization, Personal finance and decisions | Installed |
Public policy and economics
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| From Controversy to Consensus: California's offshore oil platforms | Model | The decision model that helped stakeholders reach consensus on "rigs to reefs" for decommissioning California's 27 offshore oil platforms, comparing options across multiple attributes and stakeholder views. | Decision analysis, Energy and electricity, Environment, Public policy and economics, Sensitivity analysis | Platform 2018b | 2178 |
| Mandatory vs Voluntary testing policies | Model | Compares mandatory and voluntary COVID-19 testing of a ship's crew before boarding, by the resulting infection rate among those who board. | Decision analysis, Health, Public policy and economics, Uncertainty | Voluntary vs mandatory testing | 1204 |
| Red or blue state | Model | Shape outlines of the 50 US states with a color-coded map of political leaning. The state shapes are reusable for your own maps. | Graphing and visualization, Public policy and economics | Red State Blue State plot | 2366 |
| Seat belt safety | Model, Installed | Compares the value of policies for restraining automobile occupants. | Cost-benefit analysis, Public policy and economics, Risk analysis, Transportation, Uncertainty | Installed | |
| Steel and Aluminum import tariff impact on US trade deficit | Model | A simple, impartial model estimating the net impact of the 2018 US steel and aluminum tariffs on the US trade deficit, with explicit uncertainties you can replace with your own assumptions. | Public policy and economics, Sensitivity analysis, Uncertainty | Steel and aluminum tariff model | 14 |
Regression and curve fitting
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Adaptive Filter | Model, Installed | Fits noisy time-sequence data using an adaptive filter. | Engineering, Regression and curve fitting, Time series | Installed | |
| Cross-Validation / Fitting Kernel Functions to Data | Model | Fits non-linear kernel functions to data and uses cross-validation to choose how many kernels to use without overfitting. | AI and machine learning, Regression and curve fitting, Statistics | Cross-validation example | 22 |
| Generalized Regression (obsolete) | Library, Installed | Obsolete: use the built-in LogisticRegression and ProbitRegression functions instead. Kept for legacy models; requires Optimizer. | Regression and curve fitting, Statistics | Generalized Regression | 35 |
| LLMs as optimizers - linear regression | Model | Explores using a large language model as an optimizer to fit a linear regression. | AI and machine learning, Optimization, Regression and curve fitting | LLMs as optimizers - linear regression | 12 |
| Logistic regression prior selection | Model, Installed | Fits logistic and probit regression to breast cancer data and shows how the Bayesian prior affects generalization. | Bayesian methods, Health, Regression and curve fitting, Statistics | Installed | |
| Neural Network | Model | Trains a 2-layer feed-forward neural network with the Analytica Optimizer on four sample data sets, then tests it on held-out examples. | AI and machine learning, Optimization, Regression and curve fitting | Neural-Network | 48 |
| Regression Examples | Model, Installed | Generalized linear regression, fitting curves of various functional forms to (x, y) points. | Regression and curve fitting, Statistics | Installed |
Risk analysis
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Dishwasher warranty reliability | Model | Turns technicians' free-text service notes into a failure model, a warranty reserve, a spare-parts plan and a design decision, using the Jev library. | AI and machine learning, Business, Engineering, Manufacturing and supply chain, Risk analysis, Uncertainty | Dishwasher warranty reliability | 206 |
| Earthquake Expenses | Model, Installed | Simulates expenses following earthquakes over time, answering questions such as the probability of more than one quake in a 10-year period. Also installed with Analytica as Earthquake expense risk. | Dynamic simulation, Environment, Finance and NPV, Risk analysis, Uncertainty | Earthquake expenses | 11 |
| Failure Analysis | Model, Installed | Simulates failures of a system with parallel and series components, using a DetermTable to assess the system state. | Engineering, Risk analysis, Uncertainty, User interface | Installed | |
| Inherent and Residual Risk Simulation | Model | Simulates loss exceedance curves for cybersecurity events, comparing inherent risk, residual risk after mitigation, and risk tolerance. | Risk analysis, Uncertainty | Hubbard and Seiersen cyberrisk | 12 |
| Loan Policy Selection | Model | Helps a lender choose the credit-rating threshold and interest rate to charge, considering competition and default risk that depends on the economy and borrower credit rating. | Finance and NPV, Optimization, Risk analysis, Uncertainty | Loan policy selection | 28 |
| Seat belt safety | Model, Installed | Compares the value of policies for restraining automobile occupants. | Cost-benefit analysis, Public policy and economics, Risk analysis, Transportation, Uncertainty | Installed | |
| Weibull estimation library | Library | Estimates Weibull time-to-failure distributions from data, including right-censored data where some units are still working. | Engineering, Health, Risk analysis, Statistics | Weibull estimation lib | 18 |
Scenarios
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| A Triangle Suppression model of COVID-19 | Model | Models how long lockdown measures are needed under a suppression strategy for the US COVID-19 pandemic. Featured on the Analytica blog. | Dynamic simulation, Health, Scenarios | COVID-19 Triangle Suppression | 74 |
| COVID-19 Coronavirus SICR progression for 2020 | Model | A simple SICR (susceptible, incubating, contagious, recovered) model of possible COVID-19 scenarios in the US from March to December 2020. | Dynamic simulation, Health, Scenarios | Simple COVID-19 | 20 |
| COVID-19 State Simulator, a Systems Dynamics approach | Model | A system dynamics SICR model of COVID-19 in Colorado, forecasting cases, deaths and ventilator needs and the effect of lockdown timing. | Dynamic simulation, Health, Scenarios | COVID Model 2020--03-25 | 223 |
| Dynamic Example 2 | Model, User Guide | Gasoline price over time under three different inflation rates. | Dynamic simulation, Scenarios | Installed | |
| Epidemiological model of COVID-19 for Perú, en español | Model | A Spanish-language Markov model of COVID-19 in Peru and the impact of social isolation, adapted from the US Markov model. | Health, Markov models, Scenarios | Modelo Epidemiologoco para el Covid-19 con cuarentena | 29 |
| How social isolation impacts COVID-19 spread in the US - A Markov model approach | Model | A Markov model of the COVID-19 epidemic in the US exploring the effect of different levels of social isolation. Showcased in a blog article. | Health, Markov models, Scenarios, Sensitivity analysis | Corona Markov | 26 |
| Solar Panel Analysis | Model | Would rooftop solar panels pay off for a home in San Jose? Explores how many panels to install and when, with NPV, IRR and payback, including tax credits and falling PV prices. A video shows how the model was built. | Energy and electricity, Finance and NPV, Personal finance and decisions, Scenarios | Solar Panel Analysis | 17 |
Sensitivity analysis
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Analyzing Unc & Sens | Model, User Guide | Tools for analyzing uncertainty, relationships between uncertain variables, and sensitivity of outputs to inputs. | Sensitivity analysis, Statistics, Uncertainty | Installed | |
| From Controversy to Consensus: California's offshore oil platforms | Model | The decision model that helped stakeholders reach consensus on "rigs to reefs" for decommissioning California's 27 offshore oil platforms, comparing options across multiple attributes and stakeholder views. | Decision analysis, Energy and electricity, Environment, Public policy and economics, Sensitivity analysis | Platform 2018b | 2178 |
| How social isolation impacts COVID-19 spread in the US - A Markov model approach | Model | A Markov model of the COVID-19 epidemic in the US exploring the effect of different levels of social isolation. Showcased in a blog article. | Health, Markov models, Scenarios, Sensitivity analysis | Corona Markov | 26 |
| Retirement plan type comparison | Model | Compares the nest egg at retirement from a 401(k), traditional IRA, Roth IRA or regular brokerage account, accounting for taxes and uncertainty. A smaller version runs in Analytica Free 101. | Decision analysis, Personal finance and decisions, Sensitivity analysis, Uncertainty, User interface | Comparing retirement account types Comparing retirement account types without sensitivity |
91 64 |
| Steel and Aluminum import tariff impact on US trade deficit | Model | A simple, impartial model estimating the net impact of the 2018 US steel and aluminum tariffs on the US trade deficit, with explicit uncertainties you can replace with your own assumptions. | Public policy and economics, Sensitivity analysis, Uncertainty | Steel and aluminum tariff model | 14 |
| The Sensitivity Analysis Library | Library | Finds which individual cells of array-valued uncertain inputs have the greatest impact on an output. Includes an example model. | Sensitivity analysis | Sensitivity Analysis Library Sensitivity Functions Examples |
14 8 |
| Tornado Diagrams | Model, Installed | Shows how to compute and display tornado diagrams of the sensitivity of a result to selected inputs. | Sensitivity analysis | Installed |
Statistics
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| 2018 World Cup Soccer final | Model | How much of France's 4-2 World Cup win over Croatia was skill and how much was chance? Accompanies a blog article on randomness in outcomes. | Bayesian methods, Games and sports, Statistics, Uncertainty | World cup | 6 |
| Analyzing Unc & Sens | Model, User Guide | Tools for analyzing uncertainty, relationships between uncertain variables, and sensitivity of outputs to inputs. | Sensitivity analysis, Statistics, Uncertainty | Installed | |
| Autocorrelation | Model, Installed | Calculates autocorrelation coefficients of noisy time-sequence data. | Engineering, Statistics, Time series | Installed | |
| Bayes function library | Library, Installed | Computes posterior probabilities with Bayes' rule from a complete discrete joint array of prior probabilities. | Bayesian methods, Statistics, Uncertainty | Bayes Function | 4 |
| Beta Updating | Model, Installed | Uses the beta distribution to update beliefs about the probability that a coin comes up heads. | Bayesian methods, Statistics, Uncertainty | Installed | |
| Continuous Distributions | Model, User Guide | Demonstrates the built-in continuous probability distributions. | Statistics, Uncertainty | Installed | |
| Continuous distributions library | Library, Installed | Some additional continuous univariate distributions. | Statistics, Uncertainty | Installed | |
| Correlated Distributions | Model, Installed | Reorders samples of several uncertain variables to match a desired rank correlation structure (Iman-Conover method). | Statistics, Uncertainty | Correlated distributions | 39 |
| Correlated Normals | Model, Installed | Creates two normal distributions with a specified correlation between them. | Statistics, Uncertainty | Installed | |
| Cross-Validation / Fitting Kernel Functions to Data | Model | Fits non-linear kernel functions to data and uses cross-validation to choose how many kernels to use without overfitting. | AI and machine learning, Regression and curve fitting, Statistics | Cross-validation example | 22 |
| Data Statistics Library (obsolete) | Library, Installed | Obsolete since Analytica 4.0. Statistics (such as SDeviation) over an index other than Run. Built-in statistical functions now take an optional index instead. | Statistics | Data Statistics Library | 13 |
| Discrete Distributions | Model, User Guide | Demonstrates the built-in discrete probability distributions. | Statistics, Uncertainty | Installed | |
| Discrete Sampling | Model, Installed | Generates a distribution from a discrete sample of numbers. | Statistics, Uncertainty | Installed | |
| Distribution Densities Library | Library, Installed | Analytic density, cumulative and inverse cumulative functions for all built-in distributions and a few others, such as F, Wishart and Gaussian. | Statistics, Uncertainty | Distribution Densities | 33 |
| Distribution variations library | Library, Installed | Alternative parameterizations of built-in distributions, and other common distributions that are simple transformations of them. | Statistics, Uncertainty | Distribution Variations | 21 |
| Generalized Regression (obsolete) | Library, Installed | Obsolete: use the built-in LogisticRegression and ProbitRegression functions instead. Kept for legacy models; requires Optimizer. | Regression and curve fitting, Statistics | Generalized Regression | 35 |
| Genie Library | Library | Connects Analytica to the Genie Bayesian network tool. Currently documented for Lumina developers only. | AI and machine learning, Bayesian methods, Statistics | Genie library | 45 |
| Gibbs Sampling in Bayesian Network | Model, Installed | Solves a Bayesian network by Gibbs sampling (Markov chain Monte Carlo), running several simulations at once. | Bayesian methods, Statistics | Installed | |
| Grant Exclusion Model | Model | Tests a hypothesis about the attributes of the marginal rejected applicant of a grant program, to help decide whether to fiscally sponsor another organization's grant applications. | Business, Statistics, Uncertainty | Grant exclusion | 12 |
| Hubbard HDR Library | Library | The HDR pseudo-random number generator, a standard for exchanging exact, reproducible Monte Carlo samples (e.g., with ProbabilityManagement.org). | Statistics, Uncertainty | Hubbard HDR Library | 5 |
| Kmeans Clustering | Model, Installed | Applies K-means clustering to random data to group similar points, with scatter plots and the Iterate function. | AI and machine learning, Graphing and visualization, Statistics, User-defined functions | Installed | |
| Kolmogorov-Smirnov Tests Library | Library | Kolmogorov-Smirnov tests of whether a sample comes from a given distribution, or two samples from the same distribution. | Statistics | Kolmogorov-Smirnov Tests Library | 10 |
| Laplacian distribution library | Library | The Laplace (double-sided exponential) distribution with its density, cumulative and inverse cumulative functions. | Statistics, Uncertainty | Laplacian distribution library | 3 |
| Large Sample Library | Library | Runs a Monte Carlo simulation with a sample too large for memory by running it in batches and accumulating results for selected variables. | Modeling tools, Statistics, Uncertainty | Large Sample Library v10 | 39 |
| Logistic regression prior selection | Model, Installed | Fits logistic and probit regression to breast cancer data and shows how the Bayesian prior affects generalization. | Bayesian methods, Health, Regression and curve fitting, Statistics | Installed | |
| Moving Average Example | Model, Installed | Computes the moving average of a data stream and defines a reusable Moving Average function. | Statistics, Time series, User-defined functions | Installed | |
| Multidimensional Scaling | Model, Installed | Finds a 2-D layout of points that best matches a matrix of distances or dissimilarities. | Statistics | Installed | |
| Multivariate Distributions | Library, Installed | Multivariate distributions and ways to generate correlated distributions. | Statistics, Uncertainty | Multivariate Distributions | 30 |
| Principle Components | Model, Installed | Uses principal components analysis to reduce a multidimensional data set to fewer dimensions. | Statistics | Installed | |
| Probability of Gaussian Region (Importance Sampling) | Model, Installed | Uses importance sampling to estimate the probability of rare events that plain Monte Carlo would rarely sample. | Statistics, Uncertainty | Installed | |
| Regression Examples | Model, Installed | Generalized linear regression, fitting curves of various functional forms to (x, y) points. | Regression and curve fitting, Statistics | Installed | |
| Sampling from only feasible points | Model | A button script that samples chance variables, then keeps only the jointly feasible sample points and resets the sample size accordingly. | Statistics, Uncertainty, User interface | Feasible Sampler | 5 |
| SipMath 3.1 library | Library | Reads uncertainty data in the SIPmath 3.1 standard format into your model as ordinary uncertain values, and exports Metalog distributions. | Statistics, Uncertainty | SipMath 3.1 library Test SipMath 3.1 |
27 30 |
| Smooth PDF plots using Kernel Density Estimation | Model | A simple fixed-width kernel density estimator that gives smoother probability density plots than the histogram-based PDF. | Graphing and visualization, Statistics | Kernel Density Estimation | 3 |
| Statistical Bootstrapping | Model, Installed | Estimates the sampling error of a statistical estimator by repeatedly resampling the original data. Also installed with Analytica as Bootstrapping. | Statistics | Bootstrapping | 6 |
| Sum of LogNormal Library | Library | Closed-form metalog approximations to the sum of N identical lognormal distributions, supporting Keelin, Chrisman and Savage (2019). | Statistics, Uncertainty | Sum of LogNormal Library Sum of LogNormal Library to N=300 |
70 111 |
| Weibull estimation library | Library | Estimates Weibull time-to-failure distributions from data, including right-censored data where some units are still working. | Engineering, Health, Risk analysis, Statistics | Weibull estimation lib | 18 |
Time series
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Adaptive Filter | Model, Installed | Fits noisy time-sequence data using an adaptive filter. | Engineering, Regression and curve fitting, Time series | Installed | |
| Autocorrelation | Model, Installed | Calculates autocorrelation coefficients of noisy time-sequence data. | Engineering, Statistics, Time series | Installed | |
| Convolution | Model | A Convolve function that combines two time series, with several examples of convolved functions. | Engineering, Time series, User-defined functions | Convolution | 4 |
| Moving Average Example | Model, Installed | Computes the moving average of a data stream and defines a reusable Moving Average function. | Statistics, Time series, User-defined functions | Installed | |
| Sequential dispatch library | Library | SequentialDispatch extends Dispatch with a time-like index to carry over unmet demand or unused capacity. Includes a test model. | Energy and electricity, Optimization, Time series | Sequential dispatch library Sequential dispatch test |
2 3 |
| Time of Use pricing | Model | Imports actual electricity demand data and explores time-of-use rate tariffs that charge more when demand tends to exceed supply. | Data import and cleaning, Energy and electricity, Time series | Time of use pricing | 20 |
| Time-series re-indexing | Model | Maps measurements taken at irregular times onto a uniform weekly time index by interpolation, then shows other basic time-series re-indexing techniques. | Arrays, Mathematics and science, Time series | Time-series-reindexing | 11 |
Transportation
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Airline NLP | Model, Installed | Examples of nonlinear programming optimization with Intelligent Arrays for an airline. | Arrays, Optimization, Transportation | Installed | |
| Automobile Production | Model, Installed | A linear programming example of automobile production planning. | Manufacturing and supply chain, Optimization, Transportation | Installed | |
| Catching a plane example and EVIU | Model, Installed | When should you leave home to catch an early flight? Balances wasted waiting time against missing the plane, and shows the Expected Value of Including Uncertainty (EVIU). Includes slides and video. Also installed with Analytica. | Decision analysis, Personal finance and decisions, Transportation, Uncertainty, Value of information | Plane catching with UI 2020 | 15 |
| LEV R&D Strategy | Model, Installed | R&D investment strategy across powerplant choices for a low-emissions vehicle. | Business, Decision analysis, Transportation, Uncertainty | Installed | |
| Multi-attribute Utility Analysis | Model, Installed | Compares cars across several attributes, where different drivers give different weights to each attribute. | Decision analysis, Personal finance and decisions, Transportation | Installed | |
| Parking Space Selection | Model, Installed | Find the parking space that minimizes your time to reach a restaurant: dynamic programming with uncertainty. | Decision analysis, Optimization, Personal finance and decisions, Transportation, Uncertainty | Installed | |
| Plane allocation LP | Model, Installed | Allocates planes to origin-destination legs to maximize gross margin. | Optimization, Transportation | Plane Allocation LP | 9 |
| Seat belt safety | Model, Installed | Compares the value of policies for restraining automobile occupants. | Cost-benefit analysis, Public policy and economics, Risk analysis, Transportation, Uncertainty | Installed | |
| Traveling salesman | Model, Installed | Finds a minimal-length tour through a set of cities. | Manufacturing and supply chain, Optimization, Transportation | Traveling salesman | 4 |
Uncertainty
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| 2018 World Cup Soccer final | Model | How much of France's 4-2 World Cup win over Croatia was skill and how much was chance? Accompanies a blog article on randomness in outcomes. | Bayesian methods, Games and sports, Statistics, Uncertainty | World cup | 6 |
| Analyzing Unc & Sens | Model, User Guide | Tools for analyzing uncertainty, relationships between uncertain variables, and sensitivity of outputs to inputs. | Sensitivity analysis, Statistics, Uncertainty | Installed | |
| Antenna Gain | Model, Installed | Calculates the expected gain of an antenna looking at two different satellites. | Engineering, Mathematics and science, Uncertainty | Installed | |
| Asset allocation | Model, Installed | Finds an investment mix that reduces risk through diversification, trading off risk and return. | Decision analysis, Finance and NPV, Optimization, Uncertainty | Installed | |
| Bayes function library | Library, Installed | Computes posterior probabilities with Bayes' rule from a complete discrete joint array of prior probabilities. | Bayesian methods, Statistics, Uncertainty | Bayes Function | 4 |
| Beta Updating | Model, Installed | Uses the beta distribution to update beliefs about the probability that a coin comes up heads. | Bayesian methods, Statistics, Uncertainty | Installed | |
| Biotech R&D Portfolio | Model, Installed | A multi-project R&D evaluation of a typical decision faced by a biotech company. | Business, Decision analysis, Health, Optimization, Uncertainty | Installed | |
| Catching a plane example and EVIU | Model, Installed | When should you leave home to catch an early flight? Balances wasted waiting time against missing the plane, and shows the Expected Value of Including Uncertainty (EVIU). Includes slides and video. Also installed with Analytica. | Decision analysis, Personal finance and decisions, Transportation, Uncertainty, Value of information | Plane catching with UI 2020 | 15 |
| Continuous Distributions | Model, User Guide | Demonstrates the built-in continuous probability distributions. | Statistics, Uncertainty | Installed | |
| Continuous distributions library | Library, Installed | Some additional continuous univariate distributions. | Statistics, Uncertainty | Installed | |
| Correlated Distributions | Model, Installed | Reorders samples of several uncertain variables to match a desired rank correlation structure (Iman-Conover method). | Statistics, Uncertainty | Correlated distributions | 39 |
| Correlated Normals | Model, Installed | Creates two normal distributions with a specified correlation between them. | Statistics, Uncertainty | Installed | |
| Discrete Distributions | Model, User Guide | Demonstrates the built-in discrete probability distributions. | Statistics, Uncertainty | Installed | |
| Discrete Sampling | Model, Installed | Generates a distribution from a discrete sample of numbers. | Statistics, Uncertainty | Installed | |
| Disease establishment | Model, Installed | Forecasts a fish population and the establishment of a contagious viral disease within it over time. | Dynamic simulation, Environment, Health, Uncertainty | Installed | |
| Dishwasher warranty reliability | Model | Turns technicians' free-text service notes into a failure model, a warranty reserve, a spare-parts plan and a design decision, using the Jev library. | AI and machine learning, Business, Engineering, Manufacturing and supply chain, Risk analysis, Uncertainty | Dishwasher warranty reliability | 206 |
| Distribution Densities Library | Library, Installed | Analytic density, cumulative and inverse cumulative functions for all built-in distributions and a few others, such as F, Wishart and Gaussian. | Statistics, Uncertainty | Distribution Densities | 33 |
| Distribution variations library | Library, Installed | Alternative parameterizations of built-in distributions, and other common distributions that are simple transformations of them. | Statistics, Uncertainty | Distribution Variations | 21 |
| Diversification Illustration | Model, Installed | A Blitzogram showing how diversifying over more investments changes the distribution of returns. | Finance and NPV, Graphing and visualization, Uncertainty | Installed | |
| Donor/Presenter Dashboard | Model | Forecasts how an arts organization's audience evolves over time, using a continuous-time Markov chain with immigration and emigration at every node and uncertain inputs. | Business, Dynamic simulation, Markov models, Uncertainty | Donor Presenter Dashboard II | 112 |
| Dynamic & Uncertainty | Model, User Guide | Three ways to combine uncertainty with the Dynamic function. | Dynamic simulation, Uncertainty | Installed | |
| Earthquake Expenses | Model, Installed | Simulates expenses following earthquakes over time, answering questions such as the probability of more than one quake in a 10-year period. Also installed with Analytica as Earthquake expense risk. | Dynamic simulation, Environment, Finance and NPV, Risk analysis, Uncertainty | Earthquake expenses | 11 |
| Expected R&D Project Value | Model, Installed | Evaluates and compares the expected commercialization value of several proposed R&D projects. | Business, Decision analysis, Finance and NPV, Uncertainty | Installed | |
| Expected value of information library | Library | Efficiently estimates the expected value of perfect and sample information (EVPI, EVSI) using Latin hypercube simulation. | Uncertainty, Value of information | Expected value of info lib Expected value of info lib with examples |
8 44 |
| Failure Analysis | Model, Installed | Simulates failures of a system with parallel and series components, using a DetermTable to assess the system state. | Engineering, Risk analysis, Uncertainty, User interface | Installed | |
| Fractals everywhere | Model, Installed | A Monte Carlo simulation that draws a Barnsley fern fractal. | Graphing and visualization, Mathematics and science, Uncertainty | Installed | |
| Grant Exclusion Model | Model | Tests a hypothesis about the attributes of the marginal rejected applicant of a grant program, to help decide whether to fiscally sponsor another organization's grant applications. | Business, Statistics, Uncertainty | Grant exclusion | 12 |
| Hubbard HDR Library | Library | The HDR pseudo-random number generator, a standard for exchanging exact, reproducible Monte Carlo samples (e.g., with ProbabilityManagement.org). | Statistics, Uncertainty | Hubbard HDR Library | 5 |
| Inherent and Residual Risk Simulation | Model | Simulates loss exceedance curves for cybersecurity events, comparing inherent risk, residual risk after mitigation, and risk tolerance. | Risk analysis, Uncertainty | Hubbard and Seiersen cyberrisk | 12 |
| Jev library | Library | Lets a model ask TypeSafe's Jev model questions about text and get back probabilities. | AI and machine learning, Uncertainty | Jev library Test of Jev library |
17 22 |
| Laplacian distribution library | Library | The Laplace (double-sided exponential) distribution with its density, cumulative and inverse cumulative functions. | Statistics, Uncertainty | Laplacian distribution library | 3 |
| Large Sample Library | Library | Runs a Monte Carlo simulation with a sample too large for memory by running it in batches and accumulating results for selected variables. | Modeling tools, Statistics, Uncertainty | Large Sample Library v10 | 39 |
| LEV R&D Strategy | Model, Installed | R&D investment strategy across powerplant choices for a low-emissions vehicle. | Business, Decision analysis, Transportation, Uncertainty | Installed | |
| Loan Policy Selection | Model | Helps a lender choose the credit-rating threshold and interest rate to charge, considering competition and default risk that depends on the economy and borrower credit rating. | Finance and NPV, Optimization, Risk analysis, Uncertainty | Loan policy selection | 28 |
| Mandatory vs Voluntary testing policies | Model | Compares mandatory and voluntary COVID-19 testing of a ship's crew before boarding, by the resulting infection rate among those who board. | Decision analysis, Health, Public policy and economics, Uncertainty | Voluntary vs mandatory testing | 1204 |
| Multivariate Distributions | Library, Installed | Multivariate distributions and ways to generate correlated distributions. | Statistics, Uncertainty | Multivariate Distributions | 30 |
| Parking Space Selection | Model, Installed | Find the parking space that minimizes your time to reach a restaurant: dynamic programming with uncertainty. | Decision analysis, Optimization, Personal finance and decisions, Transportation, Uncertainty | Installed | |
| Probability assessment | Model, Installed | A trivia game that scores how well you calibrate your uncertainty, to improve your personal calibration. | Games and sports, Uncertainty | Probability assessment | 36 |
| Probability of Gaussian Region (Importance Sampling) | Model, Installed | Uses importance sampling to estimate the probability of rare events that plain Monte Carlo would rarely sample. | Statistics, Uncertainty | Installed | |
| Project Planner | Model | Evaluates R&D projects with uncertain costs and revenues, compares them by expected NPV and soft attributes (strategic fit, staff development, goodwill), and selects the best portfolio within a budget. | Business, Decision analysis, Finance and NPV, Optimization, Uncertainty | Project Priorities 5 0 Project priorities 2007 4.0 |
33 30 |
| Retirement plan type comparison | Model | Compares the nest egg at retirement from a 401(k), traditional IRA, Roth IRA or regular brokerage account, accounting for taxes and uncertainty. A smaller version runs in Analytica Free 101. | Decision analysis, Personal finance and decisions, Sensitivity analysis, Uncertainty, User interface | Comparing retirement account types Comparing retirement account types without sensitivity |
91 64 |
| Sales Effectiveness | Model, Installed | Effects of unit price on sales force and production capacity, turning low-medium-high estimates into continuous distributions. From Forrester's Principles of Systems. | Business, Dynamic simulation, Uncertainty | Installed | |
| Sample Size Input Node | Model, Installed | Puts an input node for the sample size on a form, so users can change it without opening the Uncertainty Options dialog. | Uncertainty, User interface | Installed | |
| Sampling from only feasible points | Model | A button script that samples chance variables, then keeps only the jointly feasible sample points and resets the sample size accordingly. | Statistics, Uncertainty, User interface | Feasible Sampler | 5 |
| Seat belt safety | Model, Installed | Compares the value of policies for restraining automobile occupants. | Cost-benefit analysis, Public policy and economics, Risk analysis, Transportation, Uncertainty | Installed | |
| SipMath 3.1 library | Library | Reads uncertainty data in the SIPmath 3.1 standard format into your model as ordinary uncertain values, and exports Metalog distributions. | Statistics, Uncertainty | SipMath 3.1 library Test SipMath 3.1 |
27 30 |
| Steel and Aluminum import tariff impact on US trade deficit | Model | A simple, impartial model estimating the net impact of the 2018 US steel and aluminum tariffs on the US trade deficit, with explicit uncertainties you can replace with your own assumptions. | Public policy and economics, Sensitivity analysis, Uncertainty | Steel and aluminum tariff model | 14 |
| Sum of LogNormal Library | Library | Closed-form metalog approximations to the sum of N identical lognormal distributions, supporting Keelin, Chrisman and Savage (2019). | Statistics, Uncertainty | Sum of LogNormal Library Sum of LogNormal Library to N=300 |
70 111 |
| Supply and Demand | Model, Installed | Finds the supply level that maximizes profit when profit is asymmetric around average demand. | Business, Decision analysis, Uncertainty | Installed | |
| Total Allowable Harvest | Model | Finds the total allowable catch or removal for a fish or animal population with poorly known dynamics. One version uses Optimizer, the other StepInterp. | Dynamic simulation, Environment, Optimization, Uncertainty | Total Allowable Removal model with Optimizer Total Allowable Removal model w StepInterp |
17 17 |
| TXC example: Cost-benefit analysis of controlling emissions from a power plant | Model, Installed | How much should a coal-fired power plant control emissions of a toxic air pollutant? Compares control costs with reduced mortality under uncertainty. An update of the very first Analytica model. Installed with Analytica as Txc. | Cost-benefit analysis, Decision analysis, Energy and electricity, Environment, Health, Uncertainty, Value of information | Installed | |
| Upgrade Decision | Model, Installed | Which technology to buy now, given uncertain future products and prices. | Business, Decision analysis, Uncertainty | Installed |
User interface
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| ACP style library | Library, Installed | Customize how your model looks in Analytica Cloud Platform (ACP) through a GUI, instead of typing style attributes by hand. | Modeling tools, User interface | ACP style library | 348 |
| Assignment from Button | Model, Installed | Uses a button to copy a computed result into the edit table of another node. | User interface | Installed | |
| California Power Plants | Model | Shows how to use choice menus, checkboxes and default cell values inside an edit table, using a table of power plants. | Energy and electricity, User interface | California Power Plants | 3 |
| Choice and Determtables | Model, Installed | Shows how DetermTables propagate the selection of Choice nodes indexed by Self. | User interface | Installed | |
| Dependency Tracker Module | Model | A module that highlights the paths by which one variable influences another, and which nodes are upstream or downstream of a variable. | Graphing and visualization, Modeling tools, User interface, User-defined functions | Dependency Tracker | 9 |
| Failure Analysis | Model, Installed | Simulates failures of a system with parallel and series components, using a DetermTable to assess the system state. | Engineering, Risk analysis, Uncertainty, User interface | Installed | |
| Find Words Game | Model, Installed | Find as many English words as you can in a random tray of letters. | Data import and cleaning, Games and sports, User interface | Installed | |
| Input and Output Nodes | Model, User Guide | Used in the User Guide chapter Creating Interfaces for End Users. | User interface | Installed | |
| Market Model | Model, Installed | Explores pricing and advertising budget decisions for a new product, using forms for user inputs and outputs. | Business, Decision analysis, User interface | Installed | |
| Multi-lingual Influence Diagram | Model | Keeps titles and descriptions in both English and French, switching the whole diagram's language with a pull-down menu. | Modeling tools, User interface, User-defined functions | French-English | 6 |
| Output and Input Columns in Same Table | Model | Shows an input table where one column holds computed outputs and another holds checkboxes for the user to select. | User interface | Output and input columns | 7 |
| Regular polygon calculator | Model, Installed | Computes all the metrics of a regular N-sided polygon from any one of them, using OnChange handlers to update linked inputs. | Mathematics and science, User interface | Installed | |
| Retirement plan type comparison | Model | Compares the nest egg at retirement from a 401(k), traditional IRA, Roth IRA or regular brokerage account, accounting for taxes and uncertainty. A smaller version runs in Analytica Free 101. | Decision analysis, Personal finance and decisions, Sensitivity analysis, Uncertainty, User interface | Comparing retirement account types Comparing retirement account types without sensitivity |
91 64 |
| Sample Size Input Node | Model, Installed | Puts an input node for the sample size on a form, so users can change it without opening the Uncertainty Options dialog. | Uncertainty, User interface | Installed | |
| Sampling from only feasible points | Model | A button script that samples chance variables, then keeps only the jointly feasible sample points and resets the sample size accordingly. | Statistics, Uncertainty, User interface | Feasible Sampler | 5 |
User-defined functions
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Convolution | Model | A Convolve function that combines two time series, with several examples of convolved functions. | Engineering, Time series, User-defined functions | Convolution | 4 |
| Dependency Tracker Module | Model | A module that highlights the paths by which one variable influences another, and which nodes are upstream or downstream of a variable. | Graphing and visualization, Modeling tools, User interface, User-defined functions | Dependency Tracker | 9 |
| Expression Examples | Model, User Guide | Building blocks of variable definitions: expressions, operators and math functions. Used in the User Guide chapter on Expressions. | User-defined functions | Installed | |
| GCD function library | Library | Two functions for computing the greatest common divisor. | Mathematics and science, User-defined functions | GCD function library | 2 |
| Items within Budget function | Model | A function that selects the highest-priority items whose cumulative cost fits within a fixed budget. | Business, Optimization, User-defined functions | Items within budget | 3 |
| Kmeans Clustering | Model, Installed | Applies K-means clustering to random data to group similar points, with scatter plots and the Iterate function. | AI and machine learning, Graphing and visualization, Statistics, User-defined functions | Installed | |
| Moving Average Example | Model, Installed | Computes the moving average of a data stream and defines a reusable Moving Average function. | Statistics, Time series, User-defined functions | Installed | |
| Multi-lingual Influence Diagram | Model | Keeps titles and descriptions in both English and French, switching the whole diagram's language with a pull-down menu. | Modeling tools, User interface, User-defined functions | French-English | 6 |
| Mutables library | Library, Installed | Mutables are memory locations you can write to as a side effect of a calculation and read later, useful for debugging complex data structures. | Modeling tools, User-defined functions | Mutables library | 4 |
| Newton-Raphson Method | Model, Installed | Implements Newton's method for finding a root of f(x) = 0. | Mathematics and science, User-defined functions | Installed | |
| Vector Math | Model | Functions for geospatial calculations: vector cross products, spherical-Cartesian conversion, bearings and great-circle distances between latitude-longitude points. | Mathematics and science, User-defined functions | Vector Math | 24 |
Value of information
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Catching a plane example and EVIU | Model, Installed | When should you leave home to catch an early flight? Balances wasted waiting time against missing the plane, and shows the Expected Value of Including Uncertainty (EVIU). Includes slides and video. Also installed with Analytica. | Decision analysis, Personal finance and decisions, Transportation, Uncertainty, Value of information | Plane catching with UI 2020 | 15 |
| Expected value of information library | Library | Efficiently estimates the expected value of perfect and sample information (EVPI, EVSI) using Latin hypercube simulation. | Uncertainty, Value of information | Expected value of info lib Expected value of info lib with examples |
8 44 |
| Expected Value of Sampling Information (EVSI) | Model, Installed | Computes the value of more treatment trials before a drug agency decides whether to approve a new treatment. | Decision analysis, Health, Value of information | Installed | |
| Party With Forecast | Model, Installed | Where to hold a party given uncertain weather, extended with a weather forecast to show the value of information. | Decision analysis, Personal finance and decisions, Value of information | Installed | |
| TXC example: Cost-benefit analysis of controlling emissions from a power plant | Model, Installed | How much should a coal-fired power plant control emissions of a toxic air pollutant? Compares control costs with reduced mortality under uncertainty. An update of the very first Analytica model. Installed with Analytica as Txc. | Cost-benefit analysis, Decision analysis, Energy and electricity, Environment, Health, Uncertainty, Value of information | Installed |
Others
Items on topics with fewer than four items (shown in bold). These items also appear under their other topics above.
| Name (link to page) | Type | Description | Topic | Download file | Size KB |
|---|---|---|---|---|---|
| Inherent and Residual Risk Simulation | Model | Simulates loss exceedance curves for cybersecurity events, comparing inherent risk, residual risk after mitigation, and risk tolerance. | Cybersecurity, Risk analysis, Uncertainty | Hubbard and Seiersen cyberrisk | 12 |
| Map images from internet | Model, Installed | Reads map images of selected areas from Google Maps and displays them in the model. | Geospatial, Data import and cleaning, Graphing and visualization | Installed | |
| Red or blue state | Model | Shape outlines of the 50 US states with a color-coded map of political leaning. The state shapes are reusable for your own maps. | Geospatial, Graphing and visualization, Public policy and economics | Red State Blue State plot | 2366 |
| Vector Math | Model | Functions for geospatial calculations: vector cross products, spherical-Cartesian conversion, bearings and great-circle distances between latitude-longitude points. | Geospatial, Mathematics and science, User-defined functions | Vector Math | 24 |
| Leveling | Model, Installed | Levels staff effort over time according to available staff, computing work done and idle time. | Project scheduling, Business, Dynamic simulation | Installed | |
| Plan_Schedule_ Control | Model, Installed | Calculates the critical path, timing and costs for completing a project from its activity paths. | Project scheduling, Business | Installed |
See Also
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