[R] Calling Other (non-C or Fortran) Programs from R

Tim F Liao tfliao at uiuc.edu
Mon Nov 8 18:05:26 CET 2004


Thanks to both Duncan Murdoch and Brian Ripley.  LEM indeed 
is the program that Brian referred to in his response, a 
program for latent class/trait loglinear and event history 
analysis compiled with Borland Pascal.  There's a dos 
version and a windows version.  Not sure the program will 
produce dll's, but I'll do a bit exploration and report back.

Tim Liao

---- Original message ----
>Date: Sun, 7 Nov 2004 18:57:52 +0000 (GMT)
>From: Prof Brian Ripley <ripley at stats.ox.ac.uk>  
>Subject: Re: [R] Calling Other (non-C or Fortran) Programs 
from R  
>To: Duncan Murdoch <murdoch at stats.uwo.ca>
>Cc: Tim F Liao <tfliao at uiuc.edu>, <r-help at stat.math.ethz.ch>
>
>On Sun, 7 Nov 2004, Duncan Murdoch wrote:
>
>> On Sun, 7 Nov 2004 08:50:25 -0600, Tim F Liao 
<tfliao at uiuc.edu> wrote:
>> 
>> >Hi!
>> >
>> >I wonder if anyone has experiences of calling other 
programs 
>> >from R (i.e., not C or Fortran programs).
>> >
>> >Specifically I want to call LEM from R and execute it in 
a 
>> >loop to process its output in R.  Thanks,
>> 
>> I don't know what LEM is.  If it's a language that can 
produce DLLs or
>> .so's, then it should be straightforward to call them.  
If it's a
>> program using standard input and output, the system() 
function is what
>> you want.
>
>Nor do, I, but my guess is that it is the program referred 
to at
>
>http://ourworld.compuserve.com/homepages/jsuebersax/soft.htm
#LEM
>
>Perhaps Tim F Liao can enlighten us.
>
>-- 
>Brian D. Ripley,                  ripley at stats.ox.ac.uk
>Professor of Applied Statistics,  
http://www.stats.ox.ac.uk/~ripley/
>University of Oxford,             Tel:  +44 1865 272861 
(self)
>1 South Parks Road,                     +44 1865 272866 (PA)
>Oxford OX1 3TG, UK                Fax:  +44 1865 272595
>




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