From: Performance of statistical models to predict mental health and substance abuse cost
Model Name | Dependent Variable | Model Specification | |||
---|---|---|---|---|---|
 |  | Family | Link | v(μ) | Equation |
Normal with identity link (OLS) | cost | Normal | Identity | 1 | E(Y) = xβ |
Log Normal* | ln(cost) | Normal | Identity | 1 | E{ln(Y)} = xβ |
Sqrt Normal* |
| Normal | Identity | 1 | E{} = xβ |
Gamma with log link | cost | Gamma | Log | μ 2 | ln{E(Y)} = xβ |
Gamma with square-root link | cost | Gamma | Square Root | μ 2 | = xβ |