On Wed, Mar 7, 2012 at 1:05 PM, Neal Becker <ndbeck...@gmail.com> wrote:
> I'm wondering what is the use for the ignored data feature? > > I can use: > > A[valid_A_indexes] = whatever > > to process only the 'non-ignored' portions of A. So at least some simple > cases > of ignored data are already supported without introducing a new type. > > OTOH: > > w = A[valid_A_indexes] > > will copy A's data, and subsequent use of > > w[:] = something > > will not update A. > > Is this the reason for wanting the ignored data feature? > Suppose you are working with plotted data and want to turn points on/off by clicking on them interactively to see how that affects a fit. Why make multiple copies, change sizes, destroy data, and all that nonsense? Just have the click update the mask and redraw. Chuck
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