Distribution
qi
b(qi)
f
mi
Bernoulli
ln ( π i 1 − π i )
ln ( 1 + exp ( θ i ) )
1
π i = exp ( θ i ) 1 + exp ( θ i )
Poisson
ln ( λ i )
exp ( θ i )
exp ( θ i ) = λ i
Normal
μ i
θ i 2 2
σ 2
θ i = μ i
Gamma
− 1 μ i
1 υ
− 1 θ i = μ i
Inverse Gaussian
− 1 2 μ i 2
− ( − 2 θ i ) 1 / 2
1 ( − 2 θ i ) 1 / 2 = μ i