Hi there! I am struggling to interpret my SAS output for gamma regression using PROC GENMOD, where the dist=GAMMA and the link=LOG. My dependent and independent variables (and other covariates) are continuous. The dependent variable is measured in weeks. I am stuck because in the "Contrast Estimate Results" table I get a mean estimate of 1.01, and I'm not sure how to interpret it because when I convert the dependent variable to days (so I can interpret a larger beta estimate), I get an identical mean estimate of 1.01, and the only thing that changes is my intercept. With that in mind, is the mean estimate not interpreted as the change in y for every unit change in x? I've seen mixed responses and based on my identical answer despite changing the units of y, I wanted to inquire. Thank you!
... View more