hipdf.Grouper# 20 min read time Applies to Linux class hipdf.Grouper(key=None, level=None, freq=None, closed=None, label=None)# Bases: object __init__(key=None, level=None, freq=None, closed=None, label=None)# Methods __init__([key, level, freq, closed, label]) __init__(key=None, level=None, freq=None, closed=None, label=None)#