```r heart <- data.frame( ck = 0:11*40 + 20, ha = c(2, 13, 30, 30, 21, 19, 18, 13, 19, 15, 7, 8), ok = c(88, 26, 8, 5, 0, 1, 1, 1, 1, 0, 0, 0) ) mod.0 <- glm(cbind(ha,ok) ~ ck, family = binomial(link = "logit"), data = heart) sure::resids(mod.0) ```