New Extension Command

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New Extension Command

jkpeck
(posted to the spssx-x list, but I didn't see it show up on Nabble)

The new STATS NTILE ANALYSIS extension procedure is now available on the Extension Hub. This procedure, also known in the literature as decile analysis, groups the predicted probabilities from a classification procedure such as logistic regression, trees, and SVM (another extension command) in order to better understand their distribution and to assist in formulating decision rules.  The output includes a table of statistics for the ntiles of the probabilities and, optionally, several charts to help to understand the distribution.