I need to do a formal report with the results of a decision tree classifier developed in SPSS, but I don't know how. I know there are really well defined ways to report statistics such as mean and standard deviation (e.g., M = 19.22, SD = 3.45) or correlations (e.g., r(55) = .49, p < .01), but I cant find a standard for decision trees. I have statistics such as predicted/observed accuracy percentage, risk estimate (resubstitution and cross validation), and standard error. Do I need other or these are enough? How should I show them?
Solved – How to report decision tree statistics
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Best Answer
You should report somewhere the full specification you used to build the tree and the (mis)classification table. You might want to report the tree itself or the rule set it generated depending on the audience.