What are the different methods available in the catTrans action?

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Réponse

The catTrans action provides several methods for transformation: 'DTREE' (groups based on a one-level decision tree), 'GROUPRARE' (groups rare levels of the variable, which is an unsupervised technique), 'ONEHOT' (performs one-hot encoding), 'RTREE' (groups based on a one-level regression tree), and 'WOE' (groups based on maximizing the information value, IV).
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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 are the different methods available for categorical variable transformation in the catTrans action? How can I handle rare levels of a categorical variable using this action? What is the purpose of the catTrans action? How can I handle rare levels in my categorical variables?
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