Python - Anzahl der Auftreten in einer Spalte
print df
col1 education
0 a 9th
1 b 9th
2 c 8th
len(df[df['education'] == '9th'])
Andrea Perlato
print df
col1 education
0 a 9th
1 b 9th
2 c 8th
len(df[df['education'] == '9th'])