def downregulated(self, thresh=0.05, idx=True):
        """
        Downregulated features.

        {threshdoc}
        """
        ind = (
            (thresh <= self.data[self.pval_column])
            & (self.data[self.lfc_column] < 0)
        )
        if idx:
            return ind
        return self[ind]
dataset/ETHPy150Open daler/metaseq/metaseq/results_table.py/DifferentialExpressionResults.downregulated/swapped operands of `<=`