Re: [S] strange p-value for Fisher exact's test

Cande V Ananth (ananthcv@epi.umdnj.edu)
Mon, 23 Mar 1998 16:07:35 -0500


> From yhkuo@monmouth.com Mon Mar 23 16:03:33 1998
> Date: Mon, 23 Mar 1998 15:57:06 -0500
> To: Cande V Ananth <ananthcv@epi.umdnj.edu>
> CC: S-NEWS@wubios.wustl.edu, marcia@biostat.washington.edu
> Subject: Re: [S] strange p-value for Fisher exact's test
>
> Not only the previous strange p-value, but also
> the other one by using S-PLUS 4.0
>
> ==> bugs in S-PLUS 4.0
>
> > fisher.test(rbind(c(1, 1), c(91, 98)))
>
> Fisher's exact test
>
> data: rbind(c(1, 1), c(91, 98))
> p-value = 1.0001
> alternative hypothesis: two.sided

Once again, it works fine using S-Plus ver 3.4, operating on
SunOS 5.3 (Sun SPARC). The bug, I believe, is is in S-Plus 4.0.

fisher.test(rbind(c(1, 1), c(91, 98)))

Fisher's exact test
data: rbind(c(1, 1), c(91, 98))
p-value = 1
alternative hypothesis: two.sided

---

Cande V. Ananth, PhD, MPH ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Division of Epidemiology and Biostatistics Tel: (732) 235-7940 Dept of OB/GYN and Reproductive Sciences Fax: (732) 235-6627 UMDNJ - Robert Wood Johnson Medical School ananthcv@EPI.UMDNJ.EDU 125 Paterson St, New Brunswick NJ 08901 http://epi.umdnj.edu/ananth

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