I may not understand alpha, but looking through the documentation, is it the log odds ratio for cluster pairs? If so, then you will probably have to calculate the log odds ratios in a data step, using the OBSTATS option in the model statement, and ODS OUTPUT obstats=obstats; in your code. However, I must admit we are now WAAAAAAAY outside my experience. Perhaps some others may come in to help. Steve Denham
... View more