Fig. 5: Internal training and external validation of the gene signature prediction model.
From: Machine learning reveals diverse cell death patterns in lung adenocarcinoma prognosis and therapy

a Distribution of PCDI according to survival status and time in the TCGA, GSE31210, GSE50081, and GSE72094 cohorts. b Principal component analysis (PCA) plot based on the PCDI in the TCGA, GSE31210, GSE50081, and GSE72094 cohorts. c Overall survival in the low- and high-PCDI group patients in the TCGA, GSE31210, GSE50081, and GSE72094 cohorts.