Series.mean(axis=None, skipna=None, level=None, numeric_only=None, **kwargs)

pandas.read_stata(filepath_or_buffer, convert_dates=True, convert_categoricals=True, encoding=None, index=None, convert_missing=False, preserve_dtypes=True

pandas.io.gbq.read_gbq(query, project_id=None, index_col=None, col_order=None, reauth=False, verbose=True, private_key=None, dialect='legacy')

pandas.date_range(start=None, end=None, periods=None, freq='D', tz=None, normalize=False, name=None, closed=None, **kwargs)

DataFrame.iterkv(*args, **kwargs)

DataFrame.truncate(before=None, after=None, axis=None, copy=True)

DataFrame.select(crit, axis=0)

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

MultiIndex.sort(*args, **kwargs)

MultiIndex.name = None