Index.drop(labels, errors='raise')

Index.inferred_type = None

Index.reindex(target, method=None, level=None, limit=None, tolerance=None)

Index.sort_values(return_indexer=False, ascending=True)

Index.size return the number of elements in the underlying data

Index.nlevels

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

Index.set_value(arr, key, value)

Index.sortlevel(level=None, ascending=True, sort_remaining=None)

Index.asof(label)