library(robustbase) ### "intercept only" : "no x" set.seed(101) k <- rbinom(100, size=3, pr = 0.2) y <- cbind(k, n.k = 3 - k) gg <- glm(y ~ 1, family = "binomial") (cfK <- coef(summary(gg))) Inf. <- 1e5 # FIXME (note that much larger values *deteriorate* slightly!) rg.Inf <- glmrob(y ~ 1, family = "binomial", tcc= Inf.) stopifnot(all.equal(unname(cfK[1:2]), unname(unlist(coef(summary(rg.Inf))[1:2])), tolerance = 1e-7))# 4.09e-8 rg.0 <- glmrob(y ~ 1, family = "binomial") summary(rg.0) str(rg.0, digits= 6)