For the records: this was a bug in e1071 (which is already fixed & new
version on CRAN).
Best
David
Steve Lianoglou wrote:
Hi,
On Wed, Mar 3, 2010 at 4:08 AM, Häring, Tim (LWF)
<tim.haer...@lwf.bayern.de> wrote:
(...)
While you're sending your bug report to David, perhaps you can try the
SVM from kernlab.
It relies on code from libsvm, too, but ... you never know. It can't
hurt to try.
Hi Steve,
thanks for that hint.
I tried ksvm()-function bet get an error message:
model <- ksvm(soil_unit~., train, type="nu-svc")
Using automatic sigma estimation (sigest) for RBF or laplace kernel
Error in votematrix[i, ret < 0] <- votematrix[i, ret < 0] + 1 :
NAs are not allowed in subscripted assignments
But there are no NAs in my dataset. I checked it with
summary(is.na(train))
All the same, it seems there might be something funky with your data?
Not sure how to help debug further. If you like you send an *.rda file
of your soil_unit data offline and I can try, but otherwise I guess
you're on your own?
What if you remove some of the columns of your matrix? Will this
eventually work?
-steve
--
Priv.-Doz. Dr. David Meyer
Department of Information Systems and Operations
WU
Wirtschaftsuniversität Wien
Vienna University of Economics and Business
Augasse 2-6, 1090 Vienna, Austria
Tel: +43-1-313-36-4393
Fax: +43-1-313-36-90-4393
HP: http://ec.wu.ac.at/~meyer
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