Re: [R] still about biplot for principal componens analysis

2013-05-01 Thread Jim Lemon
On 05/01/2013 02:46 AM, capricy gao wrote: I noticed that the points on the biplot are not exactly the same as the predicted values. Could any body give me a hint about why? Hi capricy, If you mean the points that would result from the suggestion I sent yesterday, it is probably because

Re: [R] still about biplot for principal componens analysis

2013-05-01 Thread capricy gao
command predict(pca2, originalData, ...) Capricy From: Jim Lemon j...@bitwrit.com.au Cc: r-help@r-project.org r-help@r-project.org Sent: Wednesday, May 1, 2013 5:33 AM Subject: Re: [R] still about biplot for principal componens analysis On 05/01/2013 02:46 AM

[R] still about biplot for principal componens analysis

2013-04-30 Thread capricy gao
I noticed that the points on the biplot are not exactly the same as the predicted values. Could any body give me a  hint about why? Thanks. To: Jim Lemon j...@bitwrit.com.au Cc: r-help@r-project.org r-help@r-project.org Sent: Tuesday, April 30, 2013 9:51

Re: [R] still about biplot for principal componens analysis

2013-04-30 Thread capricy gao
Looks like my post might get some problems, so I re-wrote my question plus some new one... I noticed that the points on the biplot are not exactly the same as the predicted values. Another relevant question: should I expect that all the vector points have the same length if  chose