Figure 8.

Distributions of Bayesian ${\widehat{\beta }}_1$s from simulated data with σ = 0.5$\widehat{\sigma }$, true β₁ = 0.001 to 0.02 by 0.001; in Bayesian GAM analyses df = 8 for S(t), µ(β₁) = 0.005 and V(β₁) = 0.0025, 0.003, 0.0035, 0.004, 0.0045 and 0.005.