[Numpy-discussion] Concepts for masked/missing data

Matthew Brett matthew.brett@gmail....
Sat Jun 25 12:16:56 CDT 2011


Hi,

On Sat, Jun 25, 2011 at 6:05 PM, Nathaniel Smith <njs@pobox.com> wrote:
> Yes, absolutely memory and speed are important. But a really fast
> solution to the wrong problem isn't so useful either :-).

Would you be happy with me summarizing your idea as

1) = NA logic / API
2) = mask logic / API

?

It might be possible to create (most of) an NA logic API from a mask
implementation, and in fact, I think that's more or less what is being
proposed.  It's possible to imagine exposing an apparently separate
API for mask operations, but which in fact uses the same
implementation.  Mark, Chuck - is that right?

If we choose a mask implementation, that will have consequences for
memory (predictable) and performance (unpredictable).

Is that a good summary?

See you,

Matthew


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