The `fit_transform` method in the `sklearn.preprocessing.FunctionTransformer` class is used to fit the transformer to the given data and then apply the transformation function to the data. This method combines the `fit` and `transform` steps in a single step. It fits the transformer by calculating any necessary parameters based on the input data and then transforms the input data using the defined transformation function. This method returns the transformed data.
Python FunctionTransformer.fit_transform - 33 examples found. These are the top rated real world Python examples of sklearn.preprocessing.FunctionTransformer.fit_transform extracted from open source projects. You can rate examples to help us improve the quality of examples.