Ecological Archives E090-116-A3

John Fieberg and Glenn D. DelGuidice. 2009. What time is it? Choice of time origin and scale in extended proportional hazards models. Ecology 90:1687–1697.

Appendix C. Plot of site effects for three different semi-parametric proportional hazards models: age-based time scale, study-based time scale, and recurrent model.

   FIG. C1. Site effects (relative risk of mortality for each site relative to site 1) for three different models: age-based time scale (open circle), study-based time scale (open triangle), recurrent model with year effect included (solid triangle), along with 95% confidence intervals.

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