If the original variable is used for glm regression, the positive and negative reaction variables of the sign are related to the target variable, but after WOE coding, the correlation symbol should be consistent, and the review of the model by the strategy is also more acceptable to the model with the same parameter symbol. ... View more

The variables are monotonically divided into bins and WOE encoded, which is consistent with the correlation of the target variable. Therefore,  The case you mentioned above is the original variable, and the scorecard was developed using the WOE-encoded variable. ... View more