Answers for "using knn to replace nan values"

how to replace nan values with 0 in pandas

df.fillna(0)

Posted by: Guest on April-11-2020

replace nan using fillna

>>> df.fillna(method='ffill')
    A   B   C   D
0   NaN 2.0 NaN 0
1   3.0 4.0 NaN 1
2   3.0 4.0 NaN 5
3   3.0 3.0 NaN 4

Posted by: Guest on October-28-2020

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