R function			Description

cox.func			Given an expression matrix and a list of survival times,
coxscor			computes the Cox score of each gene
coxstuff
coxvar

find.surv.ndx		Used to implement the "median cut method" described in
				Section 5.2
gen.y.mat
get.mle.class

kmeans2			A modified version of the k-means clustering procedure;
				it performs k-means clustering multiple times with
				random starting points

pamr.cv.cox			Performs the cross-validation for the supervised
				clustering procedure of Section 5.3
pcm.cv			Performs the cross-validation for the supervised
				principal components method of Section 5.4

pls.comp1			Given an expression matrix X and a response vector y,
				computes the first partial least squares direction