plotDensityCurves(qs,path.index=1:3,col=1:Num,main=paste0("Cluster ",i),xlim=c(min.x.rg-0.05,max.x.rg+0.05),ylim=c(0,50*ceiling(max.y.rg/50)),xlab="Gene Set Activation")
plotDensityCurves(qs,path.index=1:3,col=1:3,main=paste0("Cluster ",i),xlim=c(min.x.rg-0.05,max.x.rg+0.05),ylim=c(0,50*ceiling(max.y.rg/50)),xlab="Gene Set Activation")