pyspark.pandas.Series.cat.remove_categories#
- cat.remove_categories(removals)#
Remove the specified categories.
removals must be included in the old categories. Values which were in the removed categories will be set to NaN
- Parameters
- removalscategory or list of categories
The categories which should be removed.
- Returns
- Series
Categorical with removed categories
- Raises
- ValueError
If the removals are not contained in the categories
See also
rename_categories
Rename categories.
reorder_categories
Reorder categories.
add_categories
Add new categories.
remove_unused_categories
Remove categories which are not used.
set_categories
Set the categories to the specified ones.
Examples
>>> s = ps.Series(list("abbccc"), dtype="category") >>> s 0 a 1 b 2 b 3 c 4 c 5 c dtype: category Categories (3, object): ['a', 'b', 'c']
>>> s.cat.remove_categories('b') 0 a 1 NaN 2 NaN 3 c 4 c 5 c dtype: category Categories (2, object): ['a', 'c']