def transform(self, X):
        """
        After the fit step, it is known which features are relevant, Only extract those from the time series handed in
        with the function :func:`~set_timeseries_container`.

        If filter_only_tsfresh_features is False, also delete the irrelevant, already present features in the data frame.

        :param X: the data sample to add the relevant (and delete the irrelevant) features to.
        :type X: pandas.DataFrame or numpy.array

        :return: a data sample with the same information as X, but with added relevant time series features and
            deleted irrelevant information (only if filter_only_tsfresh_features is False).
        :rtype: pandas.DataFrame
        """
        if self.feature_selector.relevant_features is None:
            raise RuntimeError("You have to call fit before.")

        if self.timeseries_container is None:
            raise RuntimeError("You have to provide a time series using the set_timeseries_container function before.")

        self.feature_extractor.set_timeseries_container(self.timeseries_container)

        relevant_time_series_features = set(self.feature_selector.relevant_features) - set(pd.DataFrame(X).columns)
        relevant_extraction_settings = from_columns(relevant_time_series_features)

        # Set imputing strategy
        impute_function = partial(impute_dataframe_range, col_to_max=self.col_to_max,
                                  col_to_min=self.col_to_min, col_to_median=self.col_to_median)

        relevant_feature_extractor = FeatureAugmenter(kind_to_fc_parameters=relevant_extraction_settings,
                                                      default_fc_parameters={},
                                                      column_id=self.feature_extractor.column_id,
                                                      column_sort=self.feature_extractor.column_sort,
                                                      column_kind=self.feature_extractor.column_kind,
                                                      column_value=self.feature_extractor.column_value,
                                                      chunksize=self.feature_extractor.chunksize,
                                                      n_jobs=self.feature_extractor.n_jobs,
                                                      show_warnings=self.feature_extractor.show_warnings,
                                                      disable_progressbar=self.feature_extractor.disable_progressbar,
                                                      impute_function=impute_function,
                                                      profile=self.feature_extractor.profile,
                                                      profiling_filename=self.feature_extractor.profiling_filename,
                                                      profiling_sorting=self.feature_extractor.profiling_sorting)

        relevant_feature_extractor.set_timeseries_container(self.feature_extractor.timeseries_container)

        X_augmented = relevant_feature_extractor.transform(X)

        if self.filter_only_tsfresh_features:
            return X_augmented.copy().loc[:, self.feature_selector.relevant_features + X.columns.tolist()]
        else:
            return X_augmented.copy().loc[:, self.feature_selector.relevant_features]
After the fit step, it is known which features are relevant, Only extract those from the time series handed in
        with the function :func:`~set_timeseries_container`.

        If filter_only_tsfresh_features is False, also delete the irrelevant, already present features in the data frame.

        :param X: the data sample to add the relevant (and delete the irrelevant) features to.
        :type X: pandas.DataFrame or numpy.array

        :return: a data sample with the same information as X, but with added relevant time series features and
            deleted irrelevant information (only if filter_only_tsfresh_features is False).
        :rtype: pandas.DataFrame