Panel.xs(key, axis=1)

Index.map(mapper)

DataFrame.apply(func, axis=0, broadcast=False, raw=False, reduce=None, args=(), **kwds)

CategoricalIndex.has_duplicates

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

DataFrame.iteritems()

Panel.sample(n=None, frac=None, replace=False, weights=None, random_state=None, axis=None)

Series.str.lower()

CategoricalIndex.symmetric_difference(other, result_name=None)

Series.consolidate(inplace=False)