Series.str.upper()

Series.str.ljust(width, fillchar=' ')

Series.nsmallest(*args, **kwargs)

Series.str.split(pat=None, n=-1, expand=False)

Series.str.rstrip(to_strip=None)

Series.empty True if NDFrame is entirely empty [no items], meaning any of the axes are of length 0.

Series.ndim return the number of dimensions of the underlying data, by definition 1

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

Series.update(other)

Series.iteritems()