[R] Size of R user base

[Patrick Connolly]

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?

-- 
Patrick Connolly
HortResearch
Mt Albert
Auckland
New Zealand 
Ph: +64-9 815 4200 x 7188
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