有一个 DataFrame 'modtso':
In [4]: modtso
Out[4]:
<class 'pandas.core.frame.DataFrame'>
DatetimeIndex: 74006 entries, 2002-07-27 15:00:00 to 2010-12-31 22:58:08
Data columns:
0 74006 non-null values
dtypes: float32(1)
In [5]: modtso[1:10]
Out[5]:
0
2002-07-27 16:01:53 9.336845
2002-07-27 16:58:08 9.337487
2002-07-27 18:00:00 9.343308
2002-07-27 19:01:53 9.364368
2002-07-27 19:58:08 9.389445
...
现在我想重新采样如下:
a=modtso.resample('D',how='std')
它会引发异常:
ValueError: Buffer dtype mismatch, expected 'float64_t' but got 'float'
有什么问题?我该如何解决?谢谢