Index.get_value(series, key)

Index.data return the data pointer of the underlying data

Index.value_counts(normalize=False, sort=True, ascending=False, bins=None, dropna=True)

Index.is_object()

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

Index.is_categorical()

Index.duplicated(*args, **kwargs)

Index.isin(values, level=None)

Index.drop_duplicates(*args, **kwargs)

Index.argmin(axis=None)