```r
# summary statistics of the 500 models
summary(sp_cv$measures.test$auc)
#>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
#>   0.686   0.757   0.789   0.780   0.795   0.861
# mean AUROC of the 500 models
mean(sp_cv$measures.test$auc)
#> [1] 0.78
```