how to fill nan values with mean in pandas
df.fillna(df.mean())how to fill nan values with mean in pandas
df.fillna(df.mean())pandas fill nan with mean of the groupby
>>> 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 3Copyright © 2021 Codeinu
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