| Family | Default Link Function |
| binomial | (link = "logit") |
| gaussian | (link = "identity") |
| Gamma | (link = "inverse") |
| inverse.gaussian | (link = "1/mu^2") |
| poisson | (link = "log") |
| quasi | (link = "identity", variance = "constant") |
| quasibinomial | (link = "logit") |
| quasipoisson | (link = "log") |
