python_pandas_8 - 8BitsCoding/RobotMentor GitHub Wiki

• 유투부

---

import pandas as pd

student_list = [{'name': 'John', 'major':"Computer Science", 'sex':"male"},
                # ...
]

df = pd.DataFrame(student_list, columns = ['name', 'major', 'sex'])

groupby_major = df.groupby('major')

groupby_major.groups

각 데이터 별 몇개의 데이터가 있는지 보여준다.

for name, group in groupby_major:
    print(name + " : " + str(len(group)))
    print(group)