Hi everyone,

I am performing multiple empirical ROC analysis stratified for sex. I would like to display the ROC curves for both sexes in one graph. I am using roctab for the ROC analysis and tried to combine the graphs by using addplot. However, I get the error message r(198) "GraphX is not a two-way plot type, Invalid syntax". Does anyone know if there is a solution to this problem?

Thank you very much, I really appreciate your help!