@SAS_Rob : I went to the PROCESS.ORG website, and, at least according to the FAQ, It should be able to address the @Therese2 's issues. There is one huge drawback - the documentation for the program is not online, and is only available in the author's hardcopy book.  I suppose that if the issue is important enough, then spending 46USD shouldn't be a show-stopper. The fact that PROCESS,ORG uses PROC IML may be something that @Therese2 would have to address with the site administrator where they are located.   SteveDenham ... View more