


Rename with axis=1 df = pd.DataFrame('x', columns=, index=range(5)) Syntax using names () names ( mydataframe) c ( listcolnames) pandas rename multiple columns using regex pattern. Options are available for in-place modification as well. DataFrame.rename(self, mapperNone, indexNone, columnsNone, axisNone. If you need to rename ALL columns at once, Here we discuss a brief overview on Pandas DataFrame.rename() in Python and its. Looking at renaming columns, lets see how the hidden copying mechanism leads. How do I rename a specific column in pandas?įrom v0.24+, to rename one (or more) columns at a time,ĭataFrame.rename() with axis=1 or axis='columns' (the axis argument was introduced in v0.21. Pandas performance gets slowed down by copying going on underneath the hood.
