Answers for "how to find rows with non-numeric data in dataframe"

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

how to count non null values in pandas

#Count non null values in a pandas dataframe
df.notnull().sum().sum()

Posted by: Guest on August-21-2021

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