Python Pandas Counting the Occurrences of a Specific value -


i new both python , pandas bare me if silly question. trying find number of times value appears in 1 column.

i have made dataframe data = pd.dataframe.from_csv('data/dataset2.csv')

and want find number of times appears in column. how done?

i thought below, looking in education column , counting number of time ? occurs.

the code below shows trying find number of times 9th appears , error getting when run code

code

missing2 = df.education.value_counts()['9th'] print(missing2)

error

keyerror: '9th'

iiuc can create subset of data condition , use shape or len:

print df   col1 education 0          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          9th 1    b       9th  print df[df.education == '9th'].shape[0] 2 print len(df['education'] == '9th') 2

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