For the binomial GLM in R: A possible link function is the probit A possible link function is the logistic The default link function tends to its extreme values faster than the cauchit link function The default link function is the identity A possible link function is the identity Link functions need to restrict the dependent variable to being between zero and one Link functions need to restrict the dependent variable to being non-negative The default link function is the probit The default link function is the logistic