Thank you David and Andy. Now, everything is clear.
For others, the problem is the one said in the subject, and the answer
is the one excerpted from reply from David.
TH.
On Jul 13, 2004, at 1:54 PM, David Meyer wrote:
Tae-Hoon:
When we run tune.* for parameter tuning, we get performance value.
C
Tae-Hoon:
> When we run tune.* for parameter tuning, we get performance value.
> Can you tell me what the definition of it is?
The values returned by tune() are Mean Squared Errors in case of
regression, and simple rates (*no* percentages) in case of
classification. As Andy already suggested, you