What is one-hot encoding and how is it implemented in the catTrans action?

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Réponse

One-hot encoding transforms a categorical variable into a set of binary variables (one for each level). To use it, you set the 'method' parameter to 'ONEHOT'. This is also aliased as 'LABEL'.
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catTrans

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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? What are the different methods available in the catTrans action?
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