[Numpy-discussion] dates, np.where finding months

[John [H2O]]

Keith Goodman wrote:
> 
> 
> 
> Or maybe this is cleaner:
> 
>>> [date.month==1 for date in A[:,0]]
>    [True, True, False, True]
> 
> which can be used like this:
> 
>>> idx = np.array([date.month==1 for date in A[:,0]])
>>> A[idx,:]
> 
> array([[2010-01-01, 1],
>        [2010-01-02, 2],
>        [2010-01-05, 4]], dtype=object)
> _______________________________________________
> NumPy-Discussion mailing list
> 

That's the keeper! Thanks for the responses.
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