Latent models referred in this chapter

BYM2 = different parametrisation of BYM

$$b_i = \frac{1}{\sqrt{\tau}} \cdot (\sqrt{1-\phi} \cdot v_i + \sqrt{\phi} \cdot u_i)$$

inla.doc("^besag$", section = "latent")
inla.doc("^bym$", section = "latent")
inla.doc("^bym2$", section = "latent")