how to count non null values in pandas
#Count non null values in a pandas dataframe
df.notnull().sum().sum()how to count non null values in pandas
#Count non null values in a pandas dataframe
df.notnull().sum().sum()count nans after groupby pandas
A B C
0 foo one NaN
1 bar one bla2
2 foo two NaN
3 bar three bla3
4 foo two NaN
5 bar two NaN
6 foo one NaN
df2 = df.C.isnull().groupby([df['A'],df['B']]).sum().astype(int).reset_index(name='count')
print (df2)
A B count
0 bar one 0
1 bar three 0
2 bar two 1
3 foo one 2
4 foo three 1
5 foo two 2Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
