Fig. 2

KM curves of survival prognosis based on LR classification results for the TCGA training dataset (a) and the GSE65904 validation dataset (b). The green and red curves represent the predicted SKCM tumor samples of nonmetastatic and metastatic types, respectively. LR, Logit regression; SKCM, skin cutaneous melanoma; KM, Kaplan–Meier; TCGA, The Cancer Genome Atlas