Answers for "dataframe get null count"

count nan pandas

#Python, pandas
#Count missing values for each column of the dataframe df

df.isnull().sum()

Posted by: Guest on April-06-2020

find 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]: 2

Posted by: Guest on August-03-2020

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