On 06/17/2010 05:52 AM, Ryan May wrote:
> On Thu, Jun 17, 2010 at 10:52 AM, Andreas Hilboll<li...@hilboll.de>  wrote:
>> Hi there,
>>
>> I just noticed today that when I call hist() on a masked_array, also those
>> values which are masked out are displayed (with their fill_value). Is that
>> really the desired behaviour?
>>
>> I'm working in an environment where we're mostly using masked_array, but
>> also sometimes the 'normal' ndarray. So I would need to do something like
>>
>> try:
>>   data = data.compressed()
>> except:
>>   pass
>> hist(data)
>>
>> all the time ... Is there any easier solution?
>
> Unfortunately, these lines in Axes.hist():
>
>              # TODO: support masked arrays;
>              x = np.asarray(x)
>
> say it all. I think changing to asanyarray() should work (I'm not sure
> what, if anything, this would break), but there's no way for you to
> get this behavior without editing your local copy of axes.py.

It takes considerably more than that.  Nothing terribly difficult, but 
more than a couple lines.

Eric

>
> Ryan
>


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