DataFrame.loc Purely label-location based indexer for selection by label. .loc[] is primarily label

Panel.take(indices, axis=0, convert=True, is_copy=True, **kwargs)

Panel.cumprod(axis=None, skipna=True, *args, **kwargs)

Series.str.isdigit()

pandas.notnull(obj)

Panel.interpolate(method='linear', axis=0, limit=None, inplace=False, limit_direction='forward', downcast=None, **kwargs)

Panel4D.ix A primarily label-location based indexer, with integer position fallback. .ix[] supports

Panel4D.shape Return a tuple of axis dimensions

Series.mode()

Panel4D.pow(other, axis=0)