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

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

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

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

Code answers related to "how to count nan in a col python"