[Rd] using "= matrix (...)" in .C calls

Peter Dalgaard p.dalgaard at biostat.ku.dk
Thu Jun 17 18:50:25 CEST 2004

Tony Plate <tplate at blackmesacapital.com> writes:

>        Also, this type of basic question is more appropriate for
> R-help, not R-devel.

Hmm. No. 

(1) This list is for developers, and they can be beginners too. On
    r-help we cannot even assume that people know that C is a
    programming language.

(2) The author of rpart() had been using a couple of nifty but
    unorthodox tricks that it is not unreasonable for beginners to be
    confused by.

(not disagreeing that reading the documentation is generally a good
idea, of course!)


   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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