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. 2021 Aug 31;11:17464. doi: 10.1038/s41598-021-97043-7

Figure 2.

Figure 2

Flowchart of the machine-learning modeling process. CTS, carpal tunnel syndrome; SMOTE, synthetic minority oversampling technique; NNet, neural network; SVM, support vector machines; KNN, k-nearest neighbors; CART, classification and regression tree; RF, random forest; GBM, stochastic gradient boosting; XGB, extreme gradient boosting; GLM, generalized linear model; ROC, receiver operating characteristic; PPV, positive predictive value; NPV, negative predictive value.