Answers for "set all nan in pandas to np.nan"

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

replace error with nan pandas

df['workclass'].replace('?', np.NaN)

Posted by: Guest on April-08-2021

how to fill nan values with mean in pandas

df.fillna(df.mean())

Posted by: Guest on April-13-2020

Code answers related to "set all nan in pandas to np.nan"