1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
| import numpy as np
|
| from pandas import (
| Categorical,
| Series,
| )
|
|
| def test_nunique():
| # basics.rst doc example
| series = Series(np.random.randn(500))
| series[20:500] = np.nan
| series[10:20] = 5000
| result = series.nunique()
| assert result == 11
|
|
| def test_nunique_categorical():
| # GH#18051
| ser = Series(Categorical([]))
| assert ser.nunique() == 0
|
| ser = Series(Categorical([np.nan]))
| assert ser.nunique() == 0
|
|
