Answers for "how to count nan in a col python"

14

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
2

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
0

how to find total no of nan values in pandas

# will give count of nan values of every column.
df.isna().sum()
Posted by: Guest on August-13-2021

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