[R] How to interpret and modify "plot.svm"?

David Meyer david.meyer at wu-wien.ac.at
Thu Dec 23 10:07:58 CET 2004

> I updated the e1071 package but still can't find
> the other three arguments for plot.svm. 

It's in e1071 since version 1.5-3. (current version: 1.5-4).

> In addition, I can plot a
> gray-colored contour region by adding the argument "col = c(gray(0.2),
> gray(0.8))". But I failed to change those colored "x" or "o" points
> into the shapes I want. Basically, I don't want to have any color in
> the plot. Could you give me a hint how to do that?

Look at the example on the help page for plot.svm().


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