CategoricalIndex.intersection(other)

MultiIndex.to_datetime(dayfirst=False)

CategoricalIndex.get_indexer_for(target, **kwargs)

Series.sem(axis=None, skipna=None, level=None, ddof=1, numeric_only=None, **kwargs)

Series.any(axis=None, bool_only=None, skipna=None, level=None, **kwargs)

CategoricalIndex.asof_locs(where, mask)

DataFrame.unstack(level=-1, fill_value=None)

DataFrame.get_dtype_counts()

Series.str.extract(pat, flags=0, expand=None)

Panel.filter(items=None, like=None, regex=None, axis=None)