CategoricalIndex.remove_categories(*args, **kwargs)

Index.insert(loc, item)

Index.is_monotonic alias for is_monotonic_increasing (deprecated)

MultiIndex.truncate(before=None, after=None)

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

Cython (Writing C extensions for pandas) For many use cases writing pandas in pure python and numpy is sufficient. In some computationally

Panel.sort_values(by, axis=0, ascending=True, inplace=False, kind='quicksort', na_position='last')

Series.sort_index(axis=0, level=None, ascending=True, inplace=False, sort_remaining=True)

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

MultiIndex.set_names(names, level=None, inplace=False)