Answers for "pd.series python to unique count"

9

count values pandas

>>> index = pd.Index([3, 1, 2, 3, 4, np.nan])
>>> index.value_counts()
3.0    2
4.0    1
2.0    1
1.0    1
dtype: int64
Posted by: Guest on April-02-2020
1

count unique pandas

df.nunique()
Posted by: Guest on March-12-2020

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