def METHOD_NAME(self, col_df: dd.Series) -> dd.Series:
    """
    Transform data column with fitted parameters.
    Parameters
    ----------
    col_df
        Data column.
    """
    result = col_df
    if not self.is_num_type:
        for i in range(len(self.cat_pipe_with_ops)):
            result = self.cat_pipe_with_ops[i].METHOD_NAME(result)
    else:
        for i in range(len(self.num_pipe_with_ops)):
            result = self.num_pipe_with_ops[i].METHOD_NAME(result)
    return result