Re: [R] R loop

From: Peter Dalgaard <p.dalgaard_at_biostat.ku.dk>
Date: Tue 07 Feb 2006 - 19:47:47 EST

Uwe Ligges <ligges@statistik.uni-dortmund.de> writes:

> Petr Pikal wrote:
>
> > Hi
> >
> > you are correct as usually. It is about 10 versions 1.2.0 - 2.2.1 and
> > as there are 2 versions per year it is about 4-5 years.

[That calculus only goes back to 2001, though, previous to that the release rate was higher (and the numbering stranger). And it is of course a coincidence that 2.0.0 followed 1.9.x.]

> > But nevertheless it seems to me as if I used R forever (and hopefully
> > it will continue)
> >
> > Anyway subsetting data frames **was** similar in the old versions as
> > it is now, wasn't it?
>
> Yes, AFAIR, and just tested in 1.2.2.

AFAIR, the current data frame code was adopted in late 1997 from the code that John Chambers had donated to Statlib...

-- 
   O__  ---- Peter Dalgaard             ุster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
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Received on Tue Feb 07 19:56:23 2006

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