Fig. 1
From: Predicting scheduled hospital attendance with artificial intelligence
Performance of the optimal model based on gradient boosting machines incorporating 81 variables. a Receiver Operating Characteristic curve for performance on the held-out test set (blue line, AUC = 0.852), on cross-validation (mean = thick gray line, AUC = 0.860, two standard deviations (s.d.) = thin gray lines, ±0.03), and chance (red dotted line). b Precision-Recall curve on the held-out test set, yielding an Average Precision (AP) score of 0.511
