res_selection=read.csv("data_bioassays_selection.csv", sep=";", dec=",",h=T) res_selection summary(res_selection) attach(res_selection) repetition=as.factor(repetition) install.packages("lme4") require(lme4) glm_res= glmer(cbind(total, nb_dead)~generations + (1| repetition), family="binomial",data=res_selection) summary(glm_res)