R-beta: unix failure in windows R ?

Thomas Lumley thomas at biostat.washington.edu
Mon Aug 4 22:21:41 CEST 1997

On Mon, 4 Aug 1997, Troels Ring wrote:
> I installed the RApril with all the warnings of a pre-beta version, but
> had it quickly produce some beautiful graphs etc. Then, since I'm
> interested in regression, I downloaded the S-plus package for Aalen's
> additive regression model, and I got a fixed version for Windows/R
> already by the next day, but when I tried
> library(addreg) I got the error below.
> Error in system(call, intern) : "system" is only available on Unix>

The Windows version of R does not support libraries yet.  The
addreg library can be used, since it contains no C or FORTRAN code.  It is
necessary to load it using the source() command.  The help will not be
available, but there is a PostScript manual with the library. 

If you have the newer version of addreg that supports model formulas then
this will not work under Windows, but there are instructions on how to
load only the older parts of the library in a README file. 

Thomas Lumley
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