Series.eq(other, level=None, fill_value=None, axis=0)

Series.str.isdigit()

Series.tz_convert(tz, axis=0, level=None, copy=True)

Series.__iter__()

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

Series.pow(other, level=None, fill_value=None, axis=0)

Series.cat.add_categories(*args, **kwargs)

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

Series.dt.hour The hours of the datetime

Series.cov(other, min_periods=None)