Series.sort_index(axis=0, level=None, ascending=True, inplace=False, sort_remaining=True)

Series.between(left, right, inclusive=True)

Series.as_blocks(copy=True)

Series.itemsize return the size of the dtype of the item of the underlying data

Series.str.isspace()

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

Series.tail(n=5)

Series.resample(rule, how=None, axis=0, fill_method=None, closed=None, label=None, convention='start', kind=None, loffset=None, limit=None

Series.is_unique Return boolean if values in the object are unique

Series.to_json(path_or_buf=None, orient=None, date_format='epoch', double_precision=10, force_ascii=True, date_unit='ms', default_handler=None