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📜  pandas 计算行中某个值的出现次数 - Python 代码示例

📅  最后修改于: 2022-03-11 14:47:14.388000             🧑  作者: Mango

代码示例3
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