AnnData.rename_categories(key, categories)

Rename categories of annotation key in .obs, .var and .uns.

Only supports passing a list-like categories argument.

Besides calling self.obs[key].cat.categories = categories - similar for .var - this also renames categories in unstructured annotation that uses the categorical annotation key.

key : str

Key for observations or variables annotation.

categories : list-like

New categories, the same number as the old categories.