DatetimeIndex.searchsorted(key, side='left', sorter=None)

DatetimeIndex.sortlevel(level=None, ascending=True, sort_remaining=None)

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

DatetimeIndex.isin(values)

classmethod Panel.from_dict(data, intersect=False, orient='items', dtype=None)

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

Index.to_datetime(dayfirst=False)

Panel.rename_axis(mapper, axis=0, copy=True, inplace=False)

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

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