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16.7. Calculation Algorithm for Decision Trees

Applies to: PrecisionTree 5.x–7.x

How does PrecisionTree calculate the values and probabilities it shows next to each node? Why are some nodes marked TRUE and others FALSE?

Short answer:

There's a much more thorough explanation in the PrecisionTree user manual. Click Help » Documentation » Manual and look at Appendix A.

For convenience, those two pages are attached to this article. The information is valid for PrecisionTree up through 7.6. If you have a later release of PrecisionTree, please look at the manual that is installed with your software.

Last edited: 2018-11-30


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