* **auc** - ROC AUC(alpha). 0 - positive class, {1, 2, 3} - negative class  
* **alpha** - predicted alpha(alpha). 0 - positive class, {1, 2, 3} - negative class  
* **pos center** - ROC AUC(alpha). {0, 1, 8, 9} - positive class, {2, 3, 4, 5, 6, 7} - negative class