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sklearn.preprocessing._function_transformer.FunctionTransformer

sklearn.preprocessing._function_transformer.FunctionTransformer

Visibility: public Uploaded 13-08-2021 by Sergey Redyuk sklearn==0.18.1 numpy>=1.6.1 scipy>=0.9 0 runs
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  • openml-python python scikit-learn sklearn sklearn_0.18.1
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Constructs a transformer from an arbitrary callable. A FunctionTransformer forwards its X (and optionally y) arguments to a user-defined function or function object and returns the result of this function. This is useful for stateless transformations such as taking the log of frequencies, doing custom scaling, etc. A FunctionTransformer will not do any checks on its function's output. Note: If a lambda is used as the function, then the resulting transformer will not be pickleable. .. versionadded:: 0.17

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