Defining Weather as a probability table

• Double click ‘Weather’ node.
• On Description field type ‘Weather outcomes and probability’.
• Open drop down list of expr, select probability table.

• Click ‘ok’ button on the indexes window.

Prob Edit table will appear indexed by self

• Click on the row header change ‘item 1’ to ‘Sunny’.
• Press enter.

Second cell should appear

• Type ‘Rainy’ on the row header.
• Press 'tab' key.

• Click on the first cell, change 0 to 0.4.
• Arrow down
• Change the second cell from 0 to 0.6.
• Click the check button.

• Click result button.

Expected: Result table of Weather 'Rainy' should appear

See Also

• Creating the Party Problem model (based on chapter 6 of tutorial)
• Tutorial: Decision trees