geneimprint <- fread(args[1])
geneimprint <- geneimprint[!grepl(" ",Gene),]
+
+geneimprint <- geneimprint[Status!="Not Imprinted",]
+geneimprint <- geneimprint[Status!="Unknown",]
+
parent <- fread(args[2])
### fix up the 0 prefixed chromosomes
parent[,chr:=gsub("^0","",chromosome)]