Series.str.upper()

Panel.iat Fast integer location scalar accessor. Similarly to iloc, iat provides integer

CategoricalIndex.summary(name=None)

Panel.get_ftype_counts()

Panel.pop(item)

Panel.replace(to_replace=None, value=None, inplace=False, limit=None, regex=False, method='pad', axis=None)

DatetimeIndex.repeat(repeats, *args, **kwargs)

Index.T return the transpose, which is by definition self

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

DataFrame.sort_index(axis=0, level=None, ascending=True, inplace=False, kind='quicksort', na_position='last', sort_remaining=True, by=None)