Figure 3.
Screening process of diagnostic biomarker candidates for acute myocardial infarction diagnosis. (A) Tuning feature selection in the least absolute shrinkage and selection operator model. (B) A plot of biomarkers selection via support vector machine-recursive feature elimination (SVM-RFE) algorithm. (C) Venn diagram demonstrating four diagnostic markers shared by the least absolute shrinkage and selection operator and SVM-RFE algorithms.