Series.dt.hour The hours of the datetime

CategoricalIndex.union(other)

DatetimeIndex.is_type_compatible(typ)

DataFrameGroupBy.plot Class implementing the .plot attribute for groupby objects

Series.dt.second The seconds of the datetime

DatetimeIndex.year The year of the datetime

Series.dt.days_in_month The number of days in the month New

GroupBy.std(ddof=1, *args, **kwargs)

DatetimeIndex.is_normalized = None

DataFrameGroupBy.mad(axis=None, skipna=None, level=None) Return the mean absolute deviation of the values