Creating the Populations objective

In Analytica 4.5, changes were made to comparison nodes and the way messages are displayed, so ensure these instructions are followed exactly or else you could get a different result which is not necessarily a bug.

• Ensure you are using a license code other than Free 101 to ensure the messages come out right. {E.G Professional, Optimizer...}
• Make sure you are in edit mode

1. Select both ‘Hares at end’ and ‘Foxes at end’ nodes to compare their result. Press the Result button. A question box will appear, asking if you want to add a node with the comparison, click Yes.

2. Result window should appear. Click on the horizontal-axis pivoter, select Time.

3. You should have a result like this.

4. Click on the diagram button.

Expected: There's a new node titled Compare1 on the diagram and it is selected

5. In the attribute pane change the title to Populations then press Alt+Enter. Click yes to change identifier in the question box that should appear.

6. Move the new Populations node as indicated below

7. Select ‘Class’ attribute from the Attribute popup menu.

8. From the Class popup menu select ‘Objective’. Variable node should be replaced by Objective node.

See Also

• Creating the Foxes and Hares Model
• Creating the Foxes and Hares model (based on chapter 7 of tutorial)
• Defining hare population as a function of time
• Compare Results
• Entering Attributes using the Attribute panel
• Installation and licenses