On Mon, 2006-10-09 at 13:25 +0200, René J.V. Bertin wrote: > Hello, > > Since I (finally) upgraded to 10.4 "Tiger", I've been experiencing > some strange behaviour with dynamic libraries. > > When I now launch R, and try to use the loess() function from the > stats package, I get the following: > > > R
Seems you have a .RData lurking in he directory you started R from. This might be causing the problem. Try: R --vanilla example(loess) and see if it works then. It works fine for me on Linux (FC5) for example in a clean workspace. Apologies if this is a red herring and works fine with --vanilla. G > > R version 2.4.0 (2006-10-03) > Copyright (C) 2006 The R Foundation for Statistical Computing > ISBN 3-900051-07-0 > > R is free software and comes with ABSOLUTELY NO WARRANTY. > You are welcome to redistribute it under certain conditions. > Type 'license()' or 'licence()' for distribution details. > > Natural language support but running in an English locale > > R is a collaborative project with many contributors. > Type 'contributors()' for more information and > 'citation()' on how to cite R or R packages in publications. > > Type 'demo()' for some demos, 'help()' for on-line help, or > 'help.start()' for an HTML browser interface to help. > Type 'q()' to quit R. > > [Previously saved workspace restored] > > > example(loess) > > loess> cars.lo <- loess(dist ~ speed, cars) > Error: object "R_loess_raw" not found > > > I saw this first with a self-built 2.3.1 version, that worked fine > under 10.3 . Hoping that a Tiger build would solve matters, I > installed the fresh 2.4.0 from the downloaded disk image. As you can > see, the error message persists. > > Curiously, the ppc/stats.so file somewhere deep in the 2.4 framework's > bowels does contain a symbol loess_raw, but not R_loess_raw. I wrote a > quick C app that dlopens a .so file and then tries to obtain a given > symbol from it using dlsym. I can't seem to get any of the defined > symbol from stats.so . I'd say my little loader is broken somewhere, > BUT ... > > This does remind me of a problem I had with a Python module > (pygame/constants), where the expected init function (initconstants) > was available but invisible to dlsym(). In that case, changing the > module (and init function's) name solved the issue, I still don't > understand why. > > This is really annoying, so if anyone has an idea about what might be > going on, I'd appreciate the feedback! > > BTW, I did try building my own copy, but for some reason, the > configure/build process ignores the optimised BLAS in the vecLib > framework ... > > > René Bertin > (PS: please CC me via email if you reply) > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% Gavin Simpson [t] +44 (0)20 7679 0522 ECRC & ENSIS, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
