What are the different methods available for categorical variable transformation in the catTrans action?

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Réponse

The catTrans action supports several methods specified by the 'method' parameter: 'DTREE' (decision tree grouping), 'GROUPRARE' (grouping rare levels), 'ONEHOT' (one-hot encoding), 'RTREE' (regression tree grouping), and 'WOE' (Weight of Evidence grouping).
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catTrans

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Other questions about catTrans
Which grouping techniques are considered supervised and what do they require? What is one-hot encoding and how is it implemented in the catTrans action? Can I generate SAS DATA step code for scoring from this action? How can I handle rare levels of a categorical variable using this action? What is the purpose of the catTrans action?
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