DataFrame.as_matrix(columns=None)

DataFrame.to_string(buf=None, columns=None, col_space=None, header=True, index=True, na_rep='NaN', formatters=None, float_format=None,

DataFrame.multiply(other, axis='columns', level=None, fill_value=None)

DataFrame.le(other, axis='columns', level=None)

DataFrame.equals(other)

DataFrame.to_gbq(destination_table, project_id, chunksize=10000, verbose=True, reauth=False, if_exists='fail', private_key=None)

DataFrame.dot(other)

DataFrame.clip(lower=None, upper=None, axis=None, *args, **kwargs)

DataFrame.sortlevel(level=0, axis=0, ascending=True, inplace=False, sort_remaining=True)

DataFrame.drop(labels, axis=0, level=None, inplace=False, errors='raise')