Bill, this may be a long shot, but the error you report is extremely close to what you get on a Mac when trying to load rgl when X11 is missing. Bryan ************** Bryan Hanson Professor of Chemistry & Biochemistry DePauw University 602 S. College Avenue Greencastle, IN 46135 PHONE 765-658-4602 FAX 765-658-6084 han...@depauw.edu academic.depauw.edu/~hanson/deadpezsociety.html www.depauw.edu/acad/chemistry/ academic.depauw.edu/~hanson/UMP/index.html
On 10/22/10 12:59 PM, "William C. Nelson, PhD" <wcnel...@usc.edu> wrote: > > My apologies for the too-brief description of my problem. Let me start > again. > As I said before, I have R-2.11.1 installed on SLES 10.1. I have installed > on top of that Rcmdr v 1.6.0 and many associated packages (the default > suggestions during Rcmdr installation). Upon starting Rcmdr, I get the > following in the parent R terminal: >> library(Rcmdr) > Loading required package: tcltk > Loading Tcl/Tk interface ... done > Loading required package: car > Loading required package: MASS > Loading required package: nnet > Loading required package: survival > Loading required package: splines > I also get a dialog box saying that rgl is missing and some functions may > not be available (hrm...). If I request that rgl be installed, rgl is > downloaded, appears to compile with no errors, but at the end I see: > ** testing if installed package can be loaded > Error : .onLoad failed in loadNamespace() for 'rgl', details: > call: dyn.load(file, DLLpath = DLLpath, ...) > error: unable to load shared library > '/data/packages/R-2.11.1/library/rgl/libs/rgl.so': > libpng14.so.14: cannot open shared object file: No such file or directory > ERROR: loading failed > * removing â/data/packages/R-2.11.1/library/rglâ > I would like to be able to create an ordination plot for a PCA. I found a > tutorial ([1]R with Rcmdr BASIC INSTRUCTIONS); it seemed like a good place > to start. Following along its section on PCA, I navigated to > Statistics:Dimensional Analysis:Principal-components analysis, which brings > up a dialog box. In the tutorial there is an image of the dialog box, and > it > shows an option to create an ordination plot, however in the dialog box > that > comes up on my installation, the Ordination Plot option is missing. > Is my problem with rgl related to the missing option? Any other suggestions > as to why the option is missing? > Any ideas as to why rgl won't load? > thanks, > Bill > -- > ----------------------------------------------------- > William C. Nelson, PhD > Research Asst Professor > University of Southern California, > College of Letters, Arts and Sciences, > Department of Biological Sciences, > Marine Environmental Biology Division, > Wrigley Institute for Environmental Studies > 310-510-4097 > [2]wcnel...@usc.edu > > References > > 1. http://www.mzandee.net/%7Ezandee/statistiek/R/Rmanual_paper.pdf > 2. mailto:wcnel...@usc.edu > ______________________________________________ > R-help@r-project.org 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. ______________________________________________ R-help@r-project.org 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.