FIGURE 4.
PCA correlation analysis in TCGA and GEO Cohorts. In GEO Cohort: (A) PCA plots of neurotrophic factor genes; (B) PCA plots of model genes. In TCGA Cohort: (C) PCA plots of neurotrophic factor genes in the sum group; (D) PCA plots of model genes in the sum group; (E) PCA plots of neurotrophic factor genes in the test group; (F) PCA plots of model genes in the test group; (G) PCA plots of neurotrophic factor genes in the training group; (H) PCA plots of model genes in the training group.