Pathway_similarity is a function for calculating correlation between expression level of pathways between 2 groups using all the available approaches in SIGN
Pathway_similarity(ExpMat1, ExpMat2, GeneVec, GeneSets, Name)
Expression matrix of genes in the 1st group of sampls
Expression matrix of genes in the 2nd group of sampls
Name of genes in the same order as considered in ExpMat1 and ExpMat2
List of genes within pathways
Name used for naming the columns of output matrix of correlation between the 2 groups
Similarity of the pathway between the two expression matrices using pearson correlation, bubble sort, and wilcoxon paaired rank test