DataFrame.groupby(by=None, axis=0, level=None, as_index=True, sort=True, group_keys=True, squeeze=False, **kwargs)

Panel.bool()

TimedeltaIndex.nunique(dropna=True)

DatetimeIndex.get_value(series, key)

DatetimeIndex.is_year_end Logical indicating if last day of year (defined by frequency)

Series.kurtosis(axis=None, skipna=None, level=None, numeric_only=None, **kwargs)

Panel.ftypes Return the ftypes (indication of sparse/dense and dtype) in this object.

MultiIndex.insert(loc, item)

pandas.concat(objs, axis=0, join='outer', join_axes=None, ignore_index=False, keys=None, levels=None, names=None, verify_integrity=False, copy=True)

Index.difference(other)