xarray.CFTimeIndex.set_names¶
-
CFTimeIndex.
set_names
(names, level=None, inplace=False)[source]¶ Set Index or MultiIndex name.
Able to set new names partially and by level.
- Parameters
names (
label
orlist
oflabel
) – Name(s) to set.level (
int
,label
orlist
ofint
orlabel
, optional) – If the index is a MultiIndex, level(s) to set (None for all levels). Otherwise level must be None.inplace (
bool
, defaultFalse
) – Modifies the object directly, instead of creating a new Index or MultiIndex.
- Returns
Index
orNone
– The same type as the caller or None ifinplace=True
.
See also
Index.rename
Able to set new names without level.
Examples
>>> idx = pd.Index([1, 2, 3, 4]) >>> idx Int64Index([1, 2, 3, 4], dtype='int64') >>> idx.set_names('quarter') Int64Index([1, 2, 3, 4], dtype='int64', name='quarter')
>>> idx = pd.MultiIndex.from_product([['python', 'cobra'], ... [2018, 2019]]) >>> idx MultiIndex([('python', 2018), ('python', 2019), ( 'cobra', 2018), ( 'cobra', 2019)], ) >>> idx.set_names(['kind', 'year'], inplace=True) >>> idx MultiIndex([('python', 2018), ('python', 2019), ( 'cobra', 2018), ( 'cobra', 2019)], names=['kind', 'year']) >>> idx.set_names('species', level=0) MultiIndex([('python', 2018), ('python', 2019), ( 'cobra', 2018), ( 'cobra', 2019)], names=['species', 'year'])