解决 ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a

谁借莪１个温暖的怀抱￠ 2023-02-26 13:23 130阅读 0赞

fit(ams) 报错 ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all().

代码

  1. type(ams)
  3. pandas.core.frame.DataFrame
  5. fit = ss.genextreme.fit(ams)

报错信息

  1. ---------------------------------------------------------------------------
  2. ValueError                                Traceback (most recent call last)
  3. <ipython-input-19-159c24c8aa15> in <module>()
  4. ----> 1 fit = ss.genextreme.fit(ams)
  5.       2 print(fit)
  7. ~/anaconda3/lib/python3.6/site-packages/scipy/stats/_distn_infrastructure.py in fit(self, data, *args, **kwds)
  8.    2278             raise TypeError("Too many input arguments.")
  9.    2279 
  10. -> 2280         if not np.isfinite(data).all():
  11.    2281             raise RuntimeError("The data contains non-finite values.")
  12.    2282 
  14. ~/anaconda3/lib/python3.6/site-packages/pandas/core/generic.py in __nonzero__(self)
  15.    1477     def __nonzero__(self):
  16.    1478         raise ValueError(
  17. -> 1479             f"The truth value of a {type(self).__name__} is ambiguous. "
  18.    1480             "Use a.empty, a.bool(), a.item(), a.any() or a.all()."
  19.    1481         )
  21. ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all().

解决方法

  1. type(ams.values)
  3. numpy.ndarray
  5. fit = ss.genextreme.fit(ams.values)
  6. print(fit)
  8. (0.48070190276858693, 212.9835530676018, 36.562050718746406)

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