Hi all, does anyone know why the area under the curve (AUC) is negative? I'm using ROC function with a logistic regression, package Epi. First time it happens... Thanks a lot! Bruno -- View this message in context: http://r.789695.n4.nabble.com/ROC-Curve-negative-AUC-tp4650469.html Sent from the R help mailing list archive at Nabble.com.
ROC Curve: negative AUC
4 messages · Wensui Liu, Thomas Lumley, brunosm
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Thanks, Do you know how to correct it? Cheers, Bruno -- View this message in context: http://r.789695.n4.nabble.com/ROC-Curve-negative-AUC-tp4650469p4650530.html Sent from the R help mailing list archive at Nabble.com.