/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

0 vote142 views1 answer
Dip programming language
Python
8 votes185 views2 answers
Matplotlib x label rotation
Python
33 votes192 views3 answers
Pygame draw circle
Python
1 vote232 views1 answer
How to say someting in python
Python
6 votes217 views3 answers
Message: 'chromedriver' executable needs to be in PATH. Please see https://sites.google.com/a/chromium.org/chromedriver/home
Python
0 vote210 views1 answer
Mail.send_message flask not working, SSL ==> 465
Python Flask
8 votes211 views4 answers
Count unique values numpy
Python
0 vote188 views1 answer
Tiktok python bot
Python
0 vote241 views1 answer
Iloc[:,0:-1]
Python
6 votes186 views2 answers
How to limit a command to a permission in discord.py
Python