[Numpy-discussion] feedback request: proposal to add masks to the core ndarray

Mark Wiebe mwwiebe@gmail....
Fri Jun 24 19:56:58 CDT 2011


On Fri, Jun 24, 2011 at 6:10 PM, Charles R Harris <charlesr.harris@gmail.com
> wrote:

>
>
> On Fri, Jun 24, 2011 at 4:21 PM, Matthew Brett <matthew.brett@gmail.com>wrote:
>
>> Hi,
>>
>> On Fri, Jun 24, 2011 at 10:09 PM, Benjamin Root <ben.root@ou.edu> wrote:
>> ...
>> > Again, there are pros and cons either way and I see them very orthogonal
>> and
>> > complementary.
>>
>> That may be true, but I imagine only one of them will be implemented.
>>
>> @Mark - I don't have a clear idea whether you consider the nafloat64
>> option to be still in play as the first thing to be implemented
>> (before array.mask).   If it is, what kind of thing would persuade you
>> either way?
>>
>>
> Mark can speak for himself,  but I think things are tending towards masks.
> They have the advantage of one implementation for all data types, current
> and future, and they are more flexible since the masked data can be actual
> valid data that you just choose to ignore for experimental  reasons.
>

These are all things I like about it too.


> What might be helpful is a routine to import/export R files, but that
> shouldn't be to difficult to implement.
>

There is another intern here who has started something along these lines.
I'll tell him he should email the list too. ;)

-Mark


>
> Chuck
>
>
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