Comparing variable combinations using contrast or estimate in SAS
24455 - Estimating an odds ratio for a variable involved. - SAS Support
Rather, the odds ratio for the variable depends on the level(s) of the interacting variable(s). Use the ODDSRATIO statement in PROC LOGISTIC to get odds ratio estimates of simple effects within an interaction. An Example Using PROC LOGISTIC In the following example, patients with one of two diagnoses (complicated or uncomplicated) are treated with one of three treatments (A, B, or C) and the result (cured or. Proc logistic datauti; freq count; class diagnosis treatment / paramglm; model response(event"cured diagnosis treatment diagnosistreatment; oddsratio treatment / at(diagnosis'complicated lsmeans diagnosistreatment / ilink oddsratio diff; slice diagnosistreatment / sliceby(diagnosis'complicated diff oddsratio; lsmestimate diagnosistreatment 'A vs C complicated' 1
See the Introduction and Example 3 which uses a logistic model with interaction and shows construction of a custom odds ratio using either of two coding methods for categorical predictors. The example below and.
Sas glimmix estimate statement
See the example below. Custom odds ratios can be constructed using the CONTRAST or ESTIMATE statements in PROC LOGISTIC or the ESTIMATE statement in the GENMOD or GLIMMIX procedure. These statements are the most.
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