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ffill df filling values to other gorup also

Sachin answered on December 3, 2022 Popularity 1/10 Helpfulness 1/10

answer ffill df filling values to other gorup also

ffill df filling values to other gorup also

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#One way would be to use transform:

>>>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()))
>>> 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: Grepper

Tags: ffill python

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Contributed on Dec 03 2022

Sachin

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ffill df filling values to other gorup also

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