Answers for "get count of value in column pandas"

number of times a value occurs in dataframne

df['a'].value_counts()

Posted by: Guest on October-16-2020

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

pandas count

>>> df.set_index(["Person", "Single"]).count(level="Person")
        Age
Person
John      2
Lewis     1
Myla      1

Posted by: Guest on February-24-2020

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