def fit_transform(self, data_inputs, expected_outputs=None): FitTransformCallbackStep.fit_transform(self, data_inputs, expected_outputs) return self, np.log(data_inputs)
def fit_transform(self, data_inputs, expected_outputs=None): FitTransformCallbackStep.fit_transform(self, data_inputs, expected_outputs) return self, list(np.array(data_inputs) * 2)