I, too, have had this problem, and others have reported it on this list. I solved the problem by putting the model, the data, and the inits all in the same odc file. Supposedly this is not necessary, but it works. Nkululeko Gumedze wrote: > Dear BUGS users, > > I'm trying to run the surgical example by reading the > both the data & initial values from text files. > The model sysntax appears to be okay but the data read > & model compile option give the following error > messages(respectively): > > Expected variable name > Variable not defined or not data for N > > I can read the data explicitly but I want to read the > both data & inital values from text files. > > How should I proceed? Please help, I'm desperate. > The data and initial values files are attached. > > regards, > Nkhululeko. > > __________________________________________________ > Do You Yahoo!? > Get Yahoo! Mail - Free email you can access from anywhere! > http://mail.yahoo.com/ > > -------------------------------------------------------------------------------- > Name: surgical.odc > surgical.odc Type: application/x-unknown > Encoding: base64 > Description: surgical.odc > > -------------------------------------------------------------------------------- > 47 1.00000 0 1 > 48 0.72727 18 2 > 119 0.93701 8 3 > 810 0.94626 46 4 > 211 0.96347 8 5 > 196 0.93780 13 6 > 148 0.94268 9 7 > 215 0.87398 31 8 > 207 0.93665 14 9 > 97 0.92381 8 10 > 256 0.89825 29 11 > 360 0.93750 24 12 > > -------------------------------------------------------------------------------- > 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, > tau=1, mu=0 -- ************************************************************* Raymond N. Greenwell [log in to unmask] Professor of Mathematics http://www.hofstra.edu/~matrng 103 Hofstra University (516) 463-5573 Hempstead, NY 11550-1090 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%