[R] Problem using svm.tune

From: sadaf zaidi <sadaf63in_at_yahoo.com>
Date: Mon, 04 Apr 2011 03:43:35 -0700 (PDT)

Dear Sir,

I am stuck with a nagging problem in using R for SVM regression. My data has 5 dimensions and 400 observations. The independent variables are : Peb, Ksub, Sub, and Xtt.
The dependent variable is: Rexp.
I tried using the svm.tune function as well as <_tune(svm.....), to tune the hyper parameters: gamma, epsilon and C.

Since I am new to R, I am probably not using the svm.tune function properly. I am getting the following error message:
Error in predict.svm(ret, xhold, decision.values=TRUE): Model is empty! May you please help me!SADAF ZAIDI

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