In[101]: x.head()
Out[101]:
0 1.559343
1 1.103526
2 0.791218
3 0.946919
4 1.120411
Name: Beta, dtype: float64
In[102]: x[~np.isnan(x) and x > x.mean() + 3 * x.std()] = x.mean() + 3 * x.std()
Traceback (most recent call last):
File "C:\Anaconda3\lib\site-packages\IPython\core\interactiveshell.py", line 2881, in run_code
exec(code_obj, self.user_global_ns, self.user_ns)
File "<ipython-input-102-4a0654e0fc5c>", line 1, in <module>
x[~np.isnan(x) and x > x.mean() + 3 * x.std()] = x.mean() + 3 * x.std()
File "C:\Anaconda3\lib\site-packages\pandas\core\generic.py", line 892, in __nonzero__
.format(self.__class__.__name__))
ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all().
In[103]: ~np.isnan(x)
Out[103]:
0 True
1 True
2 True
3 True
4 True
5 True
6 True
7 True
8 True
9 True
10 True
11 True
Series不能对两个bool值进行and运算吗，bool值也是pandas.Series的序列，有什么简单办法，必须转换用a.all()这种函数吗
