[R] dyn.load and/or add new package (Windows 98)

Douglas Steele dsteele.demon.co.uk at dsteele.demon.co.uk
Tue Dec 1 20:24:25 CET 1998

In article <Pine.SOL.3.96.981128001121.4739B-100000 at ysidro>, Alvaro A.
Novo <anovo at ysidro.econ.uiuc.edu> writes
>I have been trying to dyn.load a library (rq.obj), which will allow me to run
>a quantile regression function, but so far unsuccessfully.
In R, you can only dyn.load dll files, not obj files.  In addition they
have to be built with the Mingw32 compiler (either directly on a Win9*
system, or cross-compiled from a unix system).  Even then, there is a
bug in Win9* built dll's which may prevent dynamic loading (cross-
compiled OK).  See Guido's help file for more information on building

Perhaps you are confusing R with S+ where an obj file can be dynamically
loaded with dyn.load, provided the obj file was created with the Watcom
10.* compiler.

>This quantile regression package was prepared by Prof. Roger Koenker for 
>Windows (he uses Unix).
Did he design it for use with R on a Windows system ?  What compiler did
he use ?

Douglas Steele
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