how to get the amount of nan values in a data fram

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Sara Sofía
03 Aug 2017
1#where A is the name of the column
2#where df is the name of the dataframe
3count = df["A"].isna().sum()
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Imrane
27 May 2020
1In [1]: s = pd.Series([1,2,3, np.nan, np.nan])
2
3In [4]: s.isna().sum()   # or s.isnull().sum() for older pandas versions
4Out[4]: 2
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