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

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

Python count null values in dataframe

# Count total missing values in a dataframe

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

# Gives a integer value

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())

Source: stackoverflow.com

Similar codes

1 vote352 views3 answers
Count function in python
Python
0 vote344 views1 answer
Openpyxl read cell value
Python
19 votes390 views5 answers
Autoclicker in python
Python
0 vote381 views1 answer
Rstudi matplotlib crash qt
Python
0 vote362 views1 answer
How to mention a div with class in xpath
Python
2 votes377 views1 answer
How to use sum with range python
Python
0 vote341 views2 answers
Pandas series filter by index
Python
0 vote375 views2 answers
Read one column pandas
Python
5 votes357 views2 answers
Python pie chart
Python
26 votes377 views1 answer
Shutil move file
Python