[R] Size of R user base

[A.J. Rossini]

Patrick Connolly <p.connolly at hortresearch.co.nz> writes:

> On Mon, 19-Apr-2004 at 04:47PM -0500, Dirk Eddelbuettel wrote:
>
> |> On Mon, Apr 19, 2004 at 10:27:25PM +0100, Prof Brian Ripley wrote:
> |> > > less is not uncommon.  A 12% penetration for the book in question 
> |> > > implies 42,000 R users; a more reasonable 5% penetration implies 100,000 
> |> > > users.  A low 1% penetration implies 500,000 users.
> |> > 
> |> > One S book has sold half your number of S-PLUS users, although some sales
> |> > are known to be to R users.
> |> 
> |> But then you also need to control for different editions and serial buyers.
> |> I happen to have purchased three different editions of a certain S-Plus / R
> |> book now in its 4th edition. 
> |> 
> |> My preference goes with the numbering scheme attributed to a tribe on some
> |> island in the Pacific which consists of a 'factor' with four levels: 'one',
> |> 'two', 'three', and 'lots'.  Hence, I'd go with 'lots of R users'.
>
> So how will you distinguish your 4th edition of a certain S-Plus / R
> book from what comes next?

It's all "lots", and I hope it stays (i.e. continues) that way.  

best,
-tony

-- 
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