Dear all,

I am using the ROCR library to compute the AUC and also the Hmisc library
to compute the C-index of a predictor and a group variable. The results of
AUC and C-index are similar and give a value of about 0.57. The Wilcoxon
p-value is <0.001! Why the AUC is showing small value and the p-value is
high significant? The AUC is based on Wilcoxon calculation?

Many thanks,
Lina

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