I find it difficult to find Rprof using the usual search tools... could I suggest that it be cross-referenced to profile Rprofile Profile to make this easier? url: www.econ.uiuc.edu/~roger/my.html Roger Koenker email rkoenker at uiuc.edu Department of Economics vox: 217-333-4558 University of Illinois fax: 217-244-6678 Champaign, IL 61820