(a) Gap curve for supervised shaving. (b) Survival curves in the two groups defined by the low or high expression of the 234 genes. Group I has high expression of positive genes, and low expression of negative genes; group 2 has low expression of positive genes, and high expression of negative genes. Negative genes are those preceded by a minus sign in Table 2.
Hastie et al. Genome Biology 2000 1:research0003.1 doi:10.1186/gb-2000-1-2-research0003