I filled only one column using average but all others columns(which were not filled initially ) after that gets automatically filled.Why is it so?
Filling column using Average
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The error is in the line data_clean=data_clean.fillna(data_clean[“LotFrontage”].mean())
Here you are replacing all na with mean of “LotFrontage” column.
If you want to replace na values only in specific columns use this:
data_clean[“LotFrontage”].fillna(data_clean[“LotFrontage”].mean())
Hope this cleared your doubt.
Ya I forgot to specify columns…
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