[R] # of users of R, and biological examples of the use of R

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Tue Jun 20 22:03:35 CEST 2000

Martin Maechler <maechler at stat.math.ethz.ch> writes:

> which indicates that 911 different e-mail addresses are subscribed to
> the R mailing lists (very few of these are mailing lists; 
> 		     however, also quite a few will be pointing to the same
> 		     person)
> Now, the mailing lists probably contain almost no undergraduate students,
> and these *are* using R at least in many of the courses...
> Further, graduate students and scientific staff in many organizations use R,
> but only the more "aficionados" among them are subscribed to an R list.
> [factor of 3 ?]
> Other guesses?

Robert once guesstimated 10000 users, which would mean that roughly
one in 10 signs up for mailing lists. That could well be the case, the
mailing list traffic seems comparable to early days of s-news. 

> [Then what would "uses R" mean at all?
>  o  >= 1 hour per week ?
>  o  (one of) your major tool(s) for statistical data analysis?
>  o  ??
> ]

<We could also count the "sold items" since we're on both SuSE and
RedHat CDs (and Debian but do their sales get counted?). Of course one
thing is buying a program another is using it, but hey!, has that ever
stopped others?>

> Linux has (had) an optional Linux Users counter, via nice web interface;
> however I think it had never reached a state where it counted more than a
> tiny fraction of users....

Estimated 1% it seems. It's still there (and has me as #4115 out of
148315) at counter.li.org.

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