/Python/Pandas count occurrences of certain value in row

Pandas count occurrences of certain value in row

Pd count how many item occurs in another column

df['Counts'] = df.groupby(['Color'])['Value'].transform('count')

Source: stackoverflow.com

How to count special values in data in python

df['sex'].value_counts()

Source: dfrieds.com

Pandas count occurrences of certain value in row

print df
  col1 education
0    a       9th
1    b       9th
2    c       8th

print df.education == '9th'
0     True
1     True
2    False
Name: education, dtype: bool

print df[df.education == '9th']
  col1 education
0    a       9th
1    b       9th

print df[df.education == '9th'].shape[0]
2
print len(df[df['education'] == '9th'])
2

Source: stackoverflow.com

Similar codes

1 vote265 views1 answer
Run a loop in tkinter
Python
3 votes282 views1 answer
Get column number in dataframe pandas
Python
1 vote269 views1 answer
Python get address of object
Python
0 vote316 views1 answer
Django test imagefield
Python Django
0 vote280 views1 answer
Python non public method
Python
7 votes262 views2 answers
Python pillow crop image
Python
0 vote297 views4 answers
Online python to c++ compiler
Python
0 vote298 views1 answer
Pandas look for values in column with condition
Python
1 vote283 views2 answers
Python wget download
Python
5 votes276 views2 answers
Allauth django
Python