Fig. 5

Establishment of PAH prediction model. A, B LASSO coefficient spectrum for identification of feature genes of PAH and control samples from GSE117261. C The result of ROC analysis of internal validation datasets in GSE117261 using LR and RF; D Externally validated ROC analysis in the GSE113439 and GSE53408 datasets. LASSO: least absolute shrinkage and selection operator; RF: random forest; LR: logistic regression