Index.format(name=False, formatter=None, **kwargs)

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

Series.dt.tz_localize(*args, **kwargs)

Index.base return the base object if the memory of the underlying data is shared

Series.dt.days Number of days for each element.

MultiIndex.flags

Index.symmetric_difference(other, result_name=None)

classmethod SparseSeries.from_coo(A, dense_index=False)

Rolling.var(ddof=1, *args, **kwargs)

Panel.any(axis=None, bool_only=None, skipna=None, level=None, **kwargs)