highly significantp < 10 −46
When we test the association of each PC with ER status, PC1 scores have a highly significant association with ER status ( p < 10 −46 , Wilcoxon rank-sum test), whereas PC2 and PC3 are less associated (Fig. 2 b).
When we test the association of each PC with ER status, PC1 scores have a highly significant association with ER status ( p < 10 −46 , Wilcoxon rank-sum test), whereas PC2 and PC3 are less associated (Fig. 2 b).