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2004 Oct 29
1
problem building an R package under Windows XP with calls to NAG C routines
Hello all,
I was able to create R packages under windows XP in the past using the
dynamic NAG C library for windows XP (Mark 6).
Recently, I changed computers and I am now using the static NAG C library
for windows XP (Mark 7) to create a simple R package (called "test") which
simply returns random numbers simulated using repetitive calls to a NAG C
routine (uniform random
2008 Mar 10
1
crossprod is slower than t(AA)%*BB
Dear Rdevelopers
The background for this email is that I was helping a PhD student to
improve the speed of her R code. I suggested to replace calls like
t(AA)%*% BB by crossprod(AA,BB) since I expected this to be faster. The
surprising result to me was that this change actually made her code
slower.
> ##...
2004 Nov 11
1
FW: problem building an R package under Windows XP with calls to NAG C routines
On Thu, 11 Nov 2004 11:19:25 -0800, "Romain Neugebauer"
<romain at berkeley.edu> wrote :
>Dear Duncan Murdoch,
>
>I just posted the following message to the R-help mailing list in
>response to your email of October 29th (see below). Unfortunately it
>looks like my new message was not correctly posted, i.e. it does not
>appear as a reply to yours but as a new
2004 Nov 11
1
problem building an R package under Windows XP with calls to
Thank you very much for your help.
I was able to figure out a way to make this simple package work and was
able to build a more useful and complex package as well. I am however
left with one problem when building that more complex package. Before I
go on with this issue, here is how I solved my initial problem:
After creating an R package directory structure, I included in the \src
directory