Clinical data were obtained from lung cancer patients (adenocarcinoma or squamous cell carcinoma) in The Cancer Genome Atlas among those who had one-year survival information, as well as both CpG methylation and mRNA expression data available. Recorded variables in this test dataset include sex, race (white or non-white), age at initial clinical diagnosis, pathological stage of tumor at biopsy, cell-type (adenocarcinoma or squamous cell), and smoking history in packyears.