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Question about .Fortran in glmnet package
2 messages · Axel Urbiz, R. Michael Weylandt
It's probably available at CRAN by downloading the package source here: http://cran.r-project.org/web/packages/glmnet/index.html Look in the /src/ directory. Michael
On Wed, Oct 26, 2011 at 9:42 PM, Axel Urbiz <axel.urbiz at gmail.com> wrote:
Hi,
My apologies for asking this question, but could not find the answer
elsewhere. I understand the glmnet package uses Fortran code. For example,
the lognet.R file includes the lines of code shown below. But how can I see
the Fortran code that is being referenced in the code below? Is that
provided somewhere in the package source code?
.Fortran("lognet",
parm=alpha,nobs,nvars,nc,as.double(x),y,offset,jd,vp,ne,nx,nlam,flmin,ulam,thresh,isd,maxit,kopt,
? ? ? ? ?lmu=integer(1),
? ? ? ? ?a0=double(nlam*nc),
? ? ? ? ?ca=double(nx*nlam*nc),
? ? ? ? ?ia=integer(nx),
? ? ? ? ?nin=integer(nlam),
? ? ? ? ?nulldev=double(1),
? ? ? ? ?dev=double(nlam),
? ? ? ? ?alm=double(nlam),
? ? ? ? ?nlp=integer(1),
? ? ? ? ?jerr=integer(1),PACKAGE="glmnet"
? ? ? ? ?)
Thanks for your help.
Regards,
Axel.
? ? ? ?[[alternative HTML version deleted]]
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