Table 3 Priors implemented by default in BUGSnet
From: BUGSnet: an R package to facilitate the conduct and reporting of Bayesian network Meta-analyses
Consistency Model | Inconsistency Model | |||
|---|---|---|---|---|
Parameters | Random effect | Fixed effect | Random effect | Fixed effect |
μ1, …, μM | iid N(0,(15u)2) Except when a log link is used with a binomial family, in which case μi = log(pi), pi~ iid U(0,1) as per Warn et al. [23] | |||
d1, 2, …. ,d1, T | iid N(0,(15u)2) | NA | ||
d1, 2, …. ,d1, T, …, dT − 2, T − 1, dT − 2, T, dT − 1, T | NA | iid N(0,(15u)2) | ||
σ | U(0,u) | NA | U(0,u) | NA |
β(1, 2), …, β(1, K) (meta-regression only) | Unrelated: iid t(0, u2, df = 1) Exchangeable: iid N(b, γ2), b~ t(0, u2, df = 1), γ~U(0, u) Equal: β2 = … = βT = B, B~ t(0, u2, df = 1) | |||