pandas.merge(left, right, how='inner', on=None, left_on=None, right_on=None, left_index=False, right_index=False, sort=False, suffixes=('_x', '_y')

Series.str.count(pat, flags=0, **kwargs)

Panel4D.apply(func, axis='major', **kwargs)

DataFrame.swaplevel(i=-2, j=-1, axis=0)

Panel.clip(lower=None, upper=None, axis=None, *args, **kwargs)

pandas.describe_option(pat, _print_desc=False) = Prints the description for one or more registered options. Call

pandas.eval(expr, parser='pandas', engine=None, truediv=True, local_dict=None, global_dict=None, resolvers=(), level=0, target=None, inplace=None)

Series.dt.year The year of the datetime

Series.str.pad(width, side='left', fillchar=' ')

Panel.reindex(items=None, major_axis=None, minor_axis=None, **kwargs)