[R] Ordination plot option missing from PCA dialog

2010-10-22 Thread William C. Nelson
Hello, I am trying to learn how to do PCA. I found a tutorial online, but what I'm seeing in my installation does not match what is in the tutorial. Specifically, if I select Statistics:Dimensional Analysis: Principal-components analysis, the dialog I am presented with does not include an

Re: [R] Ordination plot option missing from PCA dialog

2010-10-22 Thread Ista Zahn
Hi Bill, R does not have a standard menu-driven interface, but rather several contributed interfaces including Rcommander, RKward, Deducer, and others. In order or anyone on this list to help you we are going to need to know which one you're using... -Ista On Thu, Oct 21, 2010 at 6:46 PM,

Re: [R] Ordination plot option missing from PCA dialog

2010-10-22 Thread William C. Nelson, PhD
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

Re: [R] Ordination plot option missing from PCA dialog

2010-10-22 Thread Bryan Hanson
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