Re: [R] Least-square support vector machines regression!

2009-05-20 Thread Max Kuhn
Thomas, > thanks for your valuable comment. I assume that you used the function for > regression - not classification. I have been using it for classification and that is the issue. Looking at ?lssvm, it has "regression is currently not supported" in the details for the type argument. Max _

Re: [R] Least-square support vector machines regression!

2009-05-20 Thread Thomas Terhoeven-Urselmans
Dear Max, thanks for your valuable comment. I assume that you used the function for regression - not classification. I use Mac OS X plattform (version 10.5.6). The R version is 2.8.1 (I prefer to update to 2.9.1 not 2.9.0). The kernlab package version is 0.9-8. The x and y-input into LSSVM

Re: [R] Least-square support vector machines regression!

2009-05-14 Thread Max Kuhn
> To make things easier (using only two optimization parameters and not > loosing performance) I wanted to use LS SVM regression (lssvm{kernlab}). But > it looks to me that it is not yet implemented. At least I got error > messages, which I could not find a solution for (Error in if (n !_dim(y)[1]

[R] Least-square support vector machines regression!

2009-05-14 Thread Thomas Terhoeven-Urselmans
Dear R-community, I was using SVM regression (svm {e1071}) for predictions of single soil properties of a huge data set (3000 samples). There are for the eps-regression using the radial basis kernel three optimization parameters needed. To make things easier (using only two optimization p