What is the purpose of the catTrans action?

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Réponse

The catTrans action is used to group and encode categorical variables using a variety of unsupervised and supervised grouping techniques.
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catTrans

dataPreprocess

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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 are the different methods available in the catTrans action? How can I handle rare levels in my categorical variables?
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