[R] Fortran in R??

[Duncan Murdoch]

On Fri, 25 Jun 2004 13:10:51 -0400, <dardiakm at jmu.edu> wrote :

>Hello,
>  We have been trying to use a well working Fortran program 
>in R but have been unable to upload it as part of our 
>undergraduate research.  We are working with windows 98.  
>We've read all of what we can find, but cannot figure it 
>out.  We've tried the dyn.load commands and whatnot.  Do we 
>need a package in order to do this?  Do we need to do it on a 
>computer that has the Fortran program on it...and should we 
>compile it before we even attempt to upload it?  Do you have 
>any suggestions?  Thanks for your time. 

You definitely need to compile it before using dyn.load.  Instructions
for how to do this sort of thing are in Writing R Extensions manual,
which is distributed with R.

It is usually easiest to compile using the R script, e.g.

R CMD SHLIB myprog.f

Duncan Murdoch