Answers for "test dframe row for nan + pandas"

to detect if a data frame has nan values

df.isnull().sum().sum()
5

Posted by: Guest on April-23-2020

count rows with nan pandas

np.count_nonzero(df.isnull().values)   
 np.count_nonzero(df.isnull())           # also works

Posted by: Guest on January-14-2021

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