Chapter 11, Section 11.4.4
Proportional Odds (Ordinal) Regression Model
data arthritis;
infile 'arthritis.dat';
input id trt age y1 y2 y3 y4;
**********************************************************;
* Re-scale baseline age in units of 10 years *;
**********************************************************;
age=age/10;
title1 Proportional odds regression model for global impression scale at month 6;
title2 Arthritis Clinical Trial;
proc genmod;
model y4 = age trt / dist=mult link=cumlogit;
run;
<Selected Output>