Table 2. Relative risk.
Posterior relative risk and log-odds estimates for fatal collisions. The β parameters are on the relative risk scale, and the α parameters are on the log-odds scale. A parameter is considered significant if the credible interval does not contain 1. Geweke’s Diagnostic should be between −1.96 and 1.96 for a parameter to be considered converged.
| Effect | Posterior mean | 95% credible interval | Geweke’s diagnostic |
|---|---|---|---|
| PercentTree, β1 | 1.02 | 1.00, 1.05 | 0.23 |
| PercentLawn, β2 | 0.96 | 0.93, 0.98 | −0.53 |
| GlassArea, β3 | 1.30 | 1.05, 1.65 | −1.29 |
| PercentTree, α1 | 0.99 | 0.95, 1.03 | −0.54 |
| PercentLawn, α2 | 0.99 | 0.97, 1.00 | 0.53 |
| GlassArea, α3 | 0.85 | 0.56, 1.32 | −1.48 |