Hi Eik or other who might help: I got this error: "Error in roc.formula(form = y1 ~ x + z, plot = "ROC") : Invalid formula: exactly 1 predictor is required in a formula of type response~predictor. " when I ran "out=ROC( form = y1 ~ x + z, plot="ROC") " from your code.
How to fix it? Thanks. -- View this message in context: http://r.789695.n4.nabble.com/ROCR-for-combination-of-markers-tp3480010p4579092.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
