Hi to all, i have used the package annaffy in oder to have a list of genes like this one with the command: saveHTML(anntable, "example1.html", title = "Example Table without Data") gene01...........pathway01,patway02.,.... gene02...........pathway02,pathway05,..... geneN.............pathway04............. is there the possibility to list by pathway? pathway01................gene02,gene05,gene03 pathway02................gene02,gene06,gene09,...... pathwayN..................gene01,gene05,........... best regards -- ----------------------------------------------------- Dr. Alberto Goldoni Bologna, Italy ----------------------------------------------------- [[alternative HTML version deleted]]