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The mixed ROC curves of the eight machine learning models for prediction of CLNM. (A) The mixed ROC curves in the training cohort; (B) The mixed ROC curves in the validation cohort. ROC, receiver operating characteristic; CLNM, Central lymph node metastasis; LR, Logistic Regression; GBM, Gradient Boosting Machine; XGB, Extreme Gradient Boosting; RF, Random Forest; DT, Decision Tree; NNET, Neural Network; SVM, Support Vector Machine; BN, Bayesian Network.
