although you get slightly different means for the same value of a categorical variable among different folds. An example (source):. Let's say we ... ... <看更多>

Shouldn't you simply map the mean values of the target variable calculated for different categories to the corresponding categories in your ... ... <看更多>

Then you're going to replace each x i with the according mean. This is rather easy to do in Python and the pandas library. First let's create ... ... <看更多>

def target_encoder(df, column, target, index=None, method='mean'): """. Target-based encoding is numerization of a categorical variables via the target ... ... <看更多>