[R] Rgui.exe - Error while tuning svm

Duncan Murdoch murdoch at stats.uwo.ca
Wed Dec 22 00:42:32 CET 2004

On Tue, 21 Dec 2004 23:29:11 +0100, "Andreas" <wolf.privat at gmx.de>

>if I try to tune my svm with the code:
>Tune <- tune.svm(Data.Train, Class.Train, type="C-classification",
>kernel="radial", gamma = 2^(-1:1), cost = 2^(2:4))
>i get a windows Messagebox with a error in the application "Rgui.exe" and
>the message: "Die Anweisung in 0x6c48174d verweist auf Speicher 0x00000000.
>Der Vorgang "read" konnte nicht auf dem Speicher ausgeführt werden. ....."
>is this a known error, or is there any mistake in my code?

That looks like dereferencing a null pointer.  It's likely in the
e1071 code, not actually in Rgui.

Duncan Murdoch

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