Dear All,
A Poisson model was established to explain the outcome (= diarrhoea episode /
total observation time) with 8 explanatory variables.
After running our model we get the effects, the IRR (the incidence rate ratios),
etc. Among our variables is a categorical variable (say X1) with 3 categories
(say 1, 2, 3), with 3 as the reference category.
First we wish to predict the outcome for a single observation. What is the Stata
command for this.
Secondly we wish to predict the mean outcome for X1 = 1, irrespective of the
values of the other variables. What is the command for this.
best wishes and many thanks!
Wilson Sama
Swiss Tropical Institute
Socinstrasse 57, CH-4002, Basel, Switzerland
Email: [email protected], [email protected]
Tel: Institute: +41 61 284 8282
Mobile: +41 78 644 9402
Fax +41 61 284 8105
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