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create transformers with new feature selection methods
No due date•3/3 issues closedThe main objective of this milestone is to add the tests from check_estimator to all feature-engine transformers to ensure compatibility with sklearn functionality. In addition, we add additional functionality from other issues for new release.
No due date•4/4 issues closedThe implementation of this selector is not great. This selector is very prone to fail if the categorical variables are highly cardinal or show rare categories and if the numerical variables are highly skewed or user enters a high number of bins. When the transformer fails, the user gets very little information on how to troubleshoot. We need to improve this. Ideally we want to indicate which variables are causing the problem, and add a few hints on how to mitigate the problem. Also, instead of dividing the dataset into train and test, we would like to use cross_validate. This means that first we need to create a predictor class, that outputs predictions as the target mean. And then, we pass this predictor class to cross_validate. Finally, we need to expand the demos
No due date•5/5 issues closed