[R] lm.influence under R2.6.1

Gerard Tromp gerard.tromp at sanger.med.wayne.edu
Thu Dec 6 20:00:15 CET 2007


Greetings!

Recently when I tried to use lm.influence I get the following error:
Error in .Fortran("lminfl", model$qr$qr, n, n, k, as.integer(do.coef),  :
  Fortran symbol name "lminfl" not in DLL for package "base"

This occurs on both Linux and Windows platforms (details below).

Searching the mail lists and other sources indicates that the fortran code
for lminfluence (lminfl.f) was moved in the source code tree suggesting it
should be found in package stats. Not clear to me why the "hardcoded" path
is package base.
The offending line in the R code for lm.influence is:
res <- .Fortran("lminfl", model$qr$qr, n, n, k, as.integer(do.coef),

There were no other messages from people experiencing errors with
lm.influence on the mailing list.

Can someone else confirm that they are experiencing the same problem?

Also, as a workaround, is there a way of forcing R to look in stats for the
fortran symbol (similar to using the double and triple colon for addressing
specific namespaces)?


On Linux platform:
=================
sessionInfo()
R version 2.6.1 (2007-11-26)
x86_64-redhat-linux-gnu

locale:
LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8
;LC_MONETARY=en_US.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAM
E=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION
=C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] SMPracticals_1.1-1 ellipse_0.3-5

loaded via a namespace (and not attached):
[1] rcompgen_0.1-17 tools_2.6.1

On Windows platform:
===================
R version 2.6.1 (2007-11-26)
i386-pc-mingw32

locale:
LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
States.1252;LC_MONETARY=English_United
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] SMPracticals_1.1-1 ellipse_0.3-5

loaded via a namespace (and not attached):
[1] tools_2.6.1



Gerard
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Gerard Tromp, Ph.D
Center for Molecular Medicine and Genetics      Vox:     313.577.8773
   & Department of Neurology                    fax:     313.577.5218
Wayne State University School of Medicine
3309 Scott Hall
540 East Canfield Ave.
Detroit, MI 48201

        e-mail:                     gerard.tromp at sanger.med.wayne.edu
           web: http://www.genetics.wayne.edu/gtromp/gtromp-home.html



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