Dear statalisters,

Is it possible to do ROC analyses, determine the Youdens index and establish cut-off values when using melogit regression? I have managed to perform melogit analyses, do ROC graphs but struggle to determine the youden index and can't find an reliable method to determine cut-off values.

Code:
* Dataset
webuse auto.dta, clear

* Mixed regression analysis
melogit foreign weight, || trunk: || rep78:

* AUC graph
predict foreign_weight, mu
roctab foreign foreign_weight, detail graph summ