Answers for "How many columns have null values present in them? in pandas"

3

python count null values in dataframe

# Count total missing values in a dataframe

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

# Gives a integer value
Posted by: Guest on April-25-2020
0

How many columns have null values present in them? in pandas

import pandas as pd
df = pd.DataFrame({'a':[1,2,np.nan], 'b':[np.nan,1,np.nan],'c':[np.nan,2,np.nan], 'd':[np.nan,np.nan,np.nan]})
print(pd.isnull(df).sum())
Posted by: Guest on October-12-2021

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