pandas.Series.set_axis — pandas 3.0.0rc0+33.g1fd184de2a documentation (original) (raw)

Series.set_axis(labels, *, axis=0, copy=<no_default>)[source]#

Assign desired index to given axis.

Indexes for row labels can be changed by assigning a list-like or Index.

Parameters:

labelslist-like, Index

The values for the new index.

axis{0 or ‘index’}, default 0

The axis to update. The value 0 identifies the rows. For Seriesthis parameter is unused and defaults to 0.

copybool, default False

This keyword is now ignored; changing its value will have no impact on the method.

Deprecated since version 3.0.0: This keyword is ignored and will be removed in pandas 4.0. Since pandas 3.0, this method always returns a new object using a lazy copy mechanism that defers copies until necessary (Copy-on-Write). See the user guide on Copy-on-Writefor more details.

Returns:

Series

An object of type Series.

Examples

s = pd.Series([1, 2, 3]) s 0 1 1 2 2 3 dtype: int64

s.set_axis(['a', 'b', 'c'], axis=0) a 1 b 2 c 3 dtype: int64