Yes, I see the problem you are describing better now.
This behavior for powers of 2 is dissimilar with other power bases.
It suggests a flaw in the algorithm for ?. .


   ?.2^11
1826
   ?.2^12
1826
   ?.2^13
1826
NB. compared to the following
   ?.3^11
35532
   ?.3^12
212679
   ?.3^13
1275561

On Sun, Jul 19, 2020 at 10:36 AM Hauke Rehr <[email protected]> wrote:

> Sure we want repeated results.
> But do we want the same results for all of
>     ?. 2^11
>     ?. 2^12
>     ?. 2^13
> and the same results for all of
>     ?. 2^14
>     ?. 2^15
>     ?. 2^16
>     ?. 2^17
>     ?. 2^18
>     ?. 2^19
> ?
> If you don’t know about this and try to
> work with powers of two, switching to ?.
> someday since you want reproducible results,
> you might end up with very bad results
> even though you tested the statistical
> properties when you were still dealing
> with ?
>
> I understand much depends on this.
> But I don’t understand this can be
> expected behaviour.
>
> In my opinion, it either needs to be
> documented or fixed.
>
>
>
> --
(B=)
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