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pandas impute with mean of grupby

Real Raccoon answered on March 4, 2022 Popularity 1/10 Helpfulness 1/10

answer pandas impute with mean of grupby

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pandas impute with mean of grupby

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>>> df
  name  value
0    A      1
1    A    NaN
2    B    NaN
3    B      2
4    B      3
5    B      1
6    C      3
7    C    NaN
8    C      3
>>> df["value"] = df.groupby("name").value.transform(lambda x: x.fillna(x.mean()))
>>> df
  name  value
0    A      1
1    A      1
2    B      2
3    B      2
4    B      3
5    B      1
6    C      3
7    C      3
8    C      3

Popularity 1/10 Helpfulness 1/10 Language python

Source: stackoverflow.com

Tags: mean pandas python

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Contributed on Mar 04 2022

Real Raccoon

0 Answers Avg Quality 2/10

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pandas impute with mean of grupby

Comment

>>> df
  name  value
0    A      1
1    A    NaN
2    B    NaN
3    B      2
4    B      3
5    B      1
6    C      3
7    C    NaN
8    C      3
>>> df["value"] = df.groupby("name").transform(lambda x: x.fillna(x.mean(), inplace=False))
>>> df
  name  value
0    A      1
1    A      1
2    B      2
3    B      2
4    B      3
5    B      1
6    C      3
7    C      3
8    C      3

Popularity 1/10 Helpfulness 1/10 Language python

Source: stackoverflow.com

Tags: mean pandas python

Link to this answer
Share Copy Link

Contributed on Mar 04 2022

Real Raccoon

0 Answers Avg Quality 2/10

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pandas impute with mean of grupby

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pandas impute with mean of grupby

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pandas impute with mean of grupby

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