[R] Accuracy some classifiers

[Frank Harrell]

Which accuracy score are you using?  If it is proportion correctly
classified, that is a misleading improper scoring rule.
Frank

rkok wrote
> I am using machine learning for one researching.  I am using some
> classifiers with 5-fold CV . I would like to know how it is possible to
> extract the accuracy, for example, for KNN,neural networks and J48,  for
> each one of 5-fold because when I apply CV to my classifier, I obtain the
> "mean accuracy" of 5-fold  but each accuracy/error of each fold is not
> returned.
> 
> Any help is welcome and grateful.  Thanks in advance!
> 
> Regards!!





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Frank Harrell
Department of Biostatistics, Vanderbilt University
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