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#将一分钟时间序列转换成3分钟,
index=pd. date_range('2021-1-1', periods=9, freq='T')
s=pd.Series (data=range (9), index=index)
#产生3分钟的序列,
#s. resample (rule=' 3T', how='sum') #这种方式施错误的
s.resample(rule='3T').sum()
2021-01-01 00:00:00 3
2021-01-01 00:03:00 12
2021-01-01 00:06:00 21
Freq: 3T, dtype: int64
