Table 1. Output from SAS software (SAS Institute Inc., Cary, NC) for estimating the risk ratio (RR) of developing a displaced abomasum, ketosis, or metritis with Poisson regression using PROC GENMOD. Analysis of generalized estimating equations (GEE) parameter estimates Empirical SE estimates Para...
5. SAS code for performing likelihood ratio test in a 2 × 2 × 2 contingency tables data binomial; input center treat y n; * y successes out of n trials; cards; 1 1 30 100 1 2 50 100 2 1 45 100 2 2 75 100 ; run; ...
One should understand that the interpretation of LOR estimate from a marginal model is of a population-average, while that of a mixed model is a conditional-average. Therefore there is a slight difference in their meaning. Expanding the proportional odds ratio model One may use the frameworks ...
One should understand that the interpretation of LOR estimate from a marginal model is of a population-average, while that of a mixed model is a conditional-average. Therefore there is a slight difference in their meaning. Expanding the proportional odds ratio model One may use the frameworks ...