From: Modeling gene expression measurement error: a quasi-likelihood approach
V(μ)
Q +
Comment
σ2
normal distribution
μσ2
Poisson distribution (σ2 = 1)
μ2σ2
approx. Gamma distribution
(α = 1/σ2, β =μσ2)
(μ - β)2σ2 + ρ2
this paper