[IT]/python.pandas
pandas.pivot table
givemebro
2020. 4. 6. 11:46
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p=pd.pivot_table(data,values='승차총승객수',index='사용일자',columns='노선명',
aggfunc= np.mean).reset_index()
wday={0:'월',1:'화',2:'수',3:'목',4:'금',5:'토',6:'일'}
p.insert(1,'요일',pd.to_datetime(p.사용일자,format='%Y%m%d').dt.dayofweek.map(wday))
p

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