cudf.Series.cat

property Series.cat

Accessor object for categorical properties of the Series values. Be aware that assigning to categories is a inplace operation, while all methods return new categorical data per default.

Parameters

columnColumn

parentSeries or CategoricalIndex

Examples

>>> s = cudf.Series([1,2,3], dtype='category')
>>> s
0    1
1    2
2    3
dtype: category
Categories (3, int64): [1, 2, 3]
>>> s.cat.categories
Int64Index([1, 2, 3], dtype='int64')
>>> s.cat.reorder_categories([3,2,1])
0    1
1    2
2    3
dtype: category
Categories (3, int64): [3, 2, 1]
>>> s.cat.remove_categories([1])
0    <NA>
1       2
2       3
dtype: category
Categories (2, int64): [2, 3]
>>> s.cat.set_categories(list('abcde'))
0    <NA>
1    <NA>
2    <NA>
dtype: category
Categories (5, object): ['a', 'b', 'c', 'd', 'e']
>>> s.cat.as_ordered()
0    1
1    2
2    3
dtype: category
Categories (3, int64): [1 < 2 < 3]
>>> s.cat.as_unordered()
0    1
1    2
2    3
dtype: category
Categories (3, int64): [1, 2, 3]