From p.dalgaard@biostat.ku.dk  Thu Jun 13 23:39:58 2002
From: p.dalgaard@biostat.ku.dk (p.dalgaard@biostat.ku.dk)
Date: Fri, 14 Jun 2002 00:39:58 +0200 (MET DST)
Subject: Bug in rnorm. (PR#1664)
Message-ID: <200206132239.AAA25804@pubhealth.ku.dk>

Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk> writes:

> rolf@math.unb.ca writes:
> 
> > There appears to be a mild bug, or at least a deficiency, in
> > rnorm.  The bug becomes apparent when one looks at extremes
> > of the squares of the values generated by rnorm; rnorm is not
> > generating quite enough extreme values.
> > 
> > The R version that I am using is 1.4.1; I never got around to installing
> > 1.5.0, and now since 1.5.1 is about to come out ....  However, checking
> > the 1.5.0 release notes revealed no mention of fixing a bug in rnorm.
> 
> ...and I see the effect too with an r-patched from a few days back.

No I do not! My quick check code took the square of the max rather
than the max of the square...

With your script, I get a nice horizontal line both with 1.4.0 and
1.5.0-patched.

(RedHat Linux 7.1 on a PC) 
-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907

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Bug in rnorm. (PR#1664)
p.dalgaard@biostat.ku.dk