Answers for "value count in pandas"

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
0

pandas count values by column

df = pd.DataFrame({'a':list('abssbab')})
df.groupby('a').count()
Posted by: Guest on March-30-2020
1

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
0

get count of values in column pandas

In [37]:
df = pd.DataFrame({'a':list('abssbab')})
df.groupby('a').count()

Out[37]:

   a
a   
a  2
b  3
s  2

[3 rows x 1 columns]
Posted by: Guest on October-26-2021

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