DataFrame.get(key, default=None)

DataFrame.__iter__()

DataFrame.product(axis=None, skipna=None, level=None, numeric_only=None, **kwargs)

DataFrame.groupby(by=None, axis=0, level=None, as_index=True, sort=True, group_keys=True, squeeze=False, **kwargs)

DataFrame.query(expr, inplace=False, **kwargs)

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

DataFrame.sum(axis=None, skipna=None, level=None, numeric_only=None, **kwargs)

DataFrame.to_pickle(path)

DataFrame.ffill(axis=None, inplace=False, limit=None, downcast=None)

DataFrame.irow(i, copy=False)