Fig. 4

Receiver operator characteristic (ROC) curves of TRG classification models. a LASSO algorithm (AUCs were 0.734, 0.943, 0.838 and 0.777 for the LR, RF, DT and KNN models, respectively). b PCA (AUCs were 0.761, 0.930, 0.633 and 0.840 for the LR, RF, DT and KNN models, respectively)