Pandas Dataframe
a join casting ints to floats if the result of the join contains NaN.
1.DataFrame.fillna(0) set NaN to 0
2.Use the .astype(<type>) function to manipulate column dtypes.
Pandas Dataframe
a join casting ints to floats if the result of the join contains NaN.
1.DataFrame.fillna(0) set NaN to 0
2.Use the .astype(<type>) function to manipulate column dtypes.
本文标题：How to process dafaframe column
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