R/overlapSets.R

In genefu: Computation of Gene Expression-Based Signatures in Breast Cancer

overlapSets<-function(x,y){
  
  # subset the two lists to have a commonly ordered gene list
  x<-x[dimnames(x)[[1]] %in% dimnames(y)[[1]],]
  y<-y[dimnames(y)[[1]] %in% dimnames(x)[[1]],]
  
  #and sort such that thing are in the correct order
  x<-x[sort.list(row.names(x)),]
  y<-y[sort.list(row.names(y)),]
  
  return(list(x=x,y=y))
}