pandas determine percentage of nans in column
>>> flights.isna().mean().round(4) * 100pandas determine percentage of nans in column
>>> flights.isna().mean().round(4) * 100count rows with nan pandas
np.count_nonzero(df.isnull().values)
np.count_nonzero(df.isnull()) # also worksfind the number of nan per column pandas
In [1]: s = pd.Series([1,2,3, np.nan, np.nan])
In [4]: s.isna().sum() # or s.isnull().sum() for older pandas versions
Out[4]: 2Copyright © 2021 Codeinu
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