At a guess I would say you have not added maf hz to your table yet. Got to table view, see if its there, and if not add it. Then go back to your histogram and see if it works.
Type: Posts; User: mecanicman
At a guess I would say you have not added maf hz to your table yet. Got to table view, see if its there, and if not add it. Then go back to your histogram and see if it works.