pandas replace null values code example
Example 1: pandas to convert null values to mean in numeric column
df.fillna(df.mean(), inplace=True)
Example 2: pandas replace null values with values from another column
#Python
#Col 1 = where you want the values replaced
#Col 2 = where you want to take the values from
df.["Col 1"].fillna(df.["Col 2"], inplace=True)
Example 3: python pandas convert nan to 0
pandas.DataFrame.fillna(0)
Example 4: replace nan using fillna
>>> df.fillna(0)
A B C D
0 0.0 2.0 0.0 0
1 3.0 4.0 0.0 1
2 0.0 0.0 0.0 5
3 0.0 3.0 0.0 4