[Rd] e1071:svm - default epsilon = 0.1 (NOT 0.5) (PR#5671)
David Meyer
david.meyer at ci.tuwien.ac.at
Wed Dec 10 16:59:54 MET 2003
Ryszard:
the *package* version (e1071) is relevant here, not the version number
of R. Actually, the documentation bug you have reported has already
been fixed in 1.3-14 (which is the current version on CRAN).
Best,
David
On 2003.12.10 16:49, ryszard.czerminski at pharma.novartis.com wrote:
> In 1.8.0 seems to be 0.5 in documentation....
>
> > ?svm
> svm package:e1071 R Documentation
>
> Support Vector Machines
>
> Description:
>
> 'svm' is used to train a support vector machine. It can be used
> to
> carry out general regression and classification (of nu and
> epsilon-type), as well as density-estimation. A formula
> interface
> is provided.
>
> Usage:
>
> ## S3 method for class 'formula':
> svm(formula, data = list(), ..., subset, na.action =
> na.omit, scale = TRUE)
> ## Default S3 method:
> svm(x, y = NULL, scale = TRUE, type = NULL, kernel =
> "radial", degree = 3, gamma = 1 / dim(x)[2], coef0 = 0, cost =
> 1,
> nu
> = 0.5,
> class.weights = NULL, cachesize = 40, tolerance = 0.001, epsilon
> =
> 0.5,
> shrinking = TRUE, cross = 0, fitted = TRUE, ..., subset,
> na.action =
> na.omit)
>
> > R.version
> _
> platform i686-pc-linux-gnu
> arch i686
> os linux-gnu
> system i686, linux-gnu
> status
> major 1
> minor 8.0
> year 2003
> month 10
> day 08
> language R
>
>
> R
>
>
>
>
>
> David Meyer <david.meyer at ci.tuwien.ac.at>
> 12/10/2003 10:18 AM
>
>
> To: Ryszard Czerminski/PH/Novartis at PH
> cc: r-devel at stat.math.ethz.ch, R-bugs at biostat.ku.dk
> Subject: Re: [Rd] e1071:svm - default epsilon = 0.1
> (NOT 0.5) (PR#5671)
>
>
> On 2003.12.10 15:13, ryszard.czerminski at pharma.novartis.com wrote:
> > In e1071 package/svm default epsilon value is set to 0.1 and not
> 0.5
> > as documentation says.
>
> Fixed in 1.3-15 (set to 0.1).
>
> g.,
> David
>
>
>
>
>
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