I wish to fit mixture distributions but, unlike the eyes example, my data are already grouped so I have tables of frequencies rather than raw observations. Does anyone know how to handle this in BUGS? Thanks, Jim. -- ******************************************************************* Jim Mc Nicol Biomathematics & Statistics Scotland (BioSS) at the Scottish Crop Research Institute (SCRI), Dundee DD2 5DA. Direct Line Tel: 01382 568527 SCRI Tel: 01382 562731 Fax: 01382 562426 BioSS HQ(Edinburgh) Tel: 0131 650 4900 Fax: 0131 650 4901 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%