[R] Peculiarity in non-central qchisq for ncp > 294.92 ...

Thomas Lumley tlumley at u.washington.edu
Mon Apr 14 15:58:40 CEST 2003


On Sun, 13 Apr 2003, Andrew Robinson wrote:

> Hello all,
>
> Here's my query:
>
> Running R 1.6.2 on FreeBSD 5.0, and on WinXP, and I find that the
> following hangs the process:
>
> dchisq(alpha=0.01, df=1, ncp=295)
>
> but it does work for ncp < 294.92.
>

If you mean
   qchisq(0.01, df=1, ncp=295)
then this also happens on Mac OS X.


	-thomas



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