[PD] anyone using array quantile?
msp at ucsd.edu
Fri Nov 22 05:16:55 CET 2013
I think the patch is occasionally (once every 512 times on average) sending
zero to "array quantile" which then outputs the index of the first nonzero
number in the table -- in this case a point with probability about 1e-45.
Maybe try random 1e8 (or so) and divide by 1e8 to get a more continuous,
less grainy random sample out of the array.
On Fri, Nov 22, 2013 at 01:51:19AM +0000, peiman khosravi wrote:
> Has anyone got any experience with [array quantile]?
> I'm getting some strange results and I've done everything I can think of.
> I've attached a patch that should clarify the problem. Basically,
> sometimes, not always, [array quantile] returns some weird numbers that I
> can't explain.
> And a related issue: array random doesn't seem to be doing what it should
> be doing. It returns very different values, compared with quantile fed with
> random values between 0 and 1. Again, there is an example of what I mean in
> the attached patch.
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