I struggle to find a way to compute the p-value for the area under a receiver operator characteristic (ROC). I have a continuous variable and a diagnostic test result. I want to see if AUROC is ...
It is possible to calculate the c-index for time dependent outcomes (such as disease) using the survivalROC package in R. My question is : is it possible to produce a p-value for the c-index that is ...
(Step 1) Using my predictive model, I predicted 1000 scores for my sample dataset. (Step 2) I then calculate the random score using the same method for a randomized dataset. I firstly fit the ...