[Rd] Re: [R] Strange means of numbers drawn from rpois (PR#730)

[Peter Dalgaard BSA]

kjetil.kjernsmo@astro.uio.no writes:

> On 8 Nov 2000, Peter Dalgaard BSA wrote:
> 
> >Done...
> 
> Great!

However, be careful not to reply to the version of the mail without a
PR# if there's a Cc: to R-bugs. Now there are *two* reports in the
repository...

I've poked around a bit and it seems that the problem has to do with
the code that tries to save time by reusing calculations if mu ==
muprev: 

> range(sapply(1:2000, function(n) mean(rpois(10000, c(15,15+1e-8)))))
[1] 14.8692 15.1200

-- 
   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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