Prognostic role of Ki-67 in colorectal carcinoma: Development and evaluation of machine learning prediction models

Figure 7 Confusion matrixes and precision-recall curves of Ki-67 classification models. A: Support vector machine in the external validation set; B: Random forest in the external validation set; C: The eXtreme gradient boosting in the external validation set. SVM: Support vector machine; XGBoost: eXtreme gradient boosting.