library('mfx') ### Name: poissonmfx ### Title: Marginal effects for a Poisson regression. ### Aliases: poissonmfx print.poissonmfx ### ** Examples # simulate some data set.seed(12345) n = 1000 x = rnorm(n) y = rnegbin(n, mu = exp(1 + 0.5 * x), theta = 0.5) data = data.frame(y,x) poissonmfx(formula=y~x,data=data)