[R] area under roc curve
crosspide at hotmail.com
Wed Apr 13 17:14:43 CEST 2011
I want to measure the goodness of prediction of my linear model. That's why
I was thinking about the area under roc curve.
I'm trying the following, but I don't know how to avoid the error. Any help
would be appreciated.
model.lm <- lm(log(outcome)~log(v1)+log(v2)+factor1)
Error en prediction(as.numeric(pred), as.numeric(log(outcome))) :
Number of classes is not equal to 2.
ROCR currently supports only evaluation of binary classification tasks.
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