[R] e1071 question: what's the definition of performance in t une.* functions?

Liaw, Andy andy_liaw at merck.com
Tue Jul 13 02:55:05 CEST 2004

Basically, the `Detail' section of ?tune says it all:


     As performance measure, the classification error is used for
     classification, and the mean squared error for regression. ...


> From: Tae-Hoon Chung
> Hi, all;
> Basically, the subject contains the all information I need to know.
> In e1071 library, there are functions to tune parameters.
> They provide several values one of which is the performance.
> Does any body know the "definition" of performance here?
> Is it percentage of error or just the error rate or anything else?
> Thanks in advance!
> Tae-Hoon Chung, Ph.D
> Post-doctoral Research Fellow
> Molecular Diagnostics and Target Validation Division
> Translational Genomics Research Institute
> 1275 W Washington St, Tempe AZ 85281 USA
> Phone: 602-343-8724

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