From: Liaw, Andy <andy_liaw_at_merck.com>

Date: Tue 13 Jul 2004 - 10:55:05 EST

R-help@stat.math.ethz.ch mailing list

https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue Jul 13 11:02:35 2004

Date: Tue 13 Jul 2004 - 10:55:05 EST

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

Details:

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

Andy

*> 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
**>
*

R-help@stat.math.ethz.ch mailing list

https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue Jul 13 11:02:35 2004

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