is day a random variable is day a random variable? which factor is an environmental variable can the date determine glmm what type of variable is the date in a glmm what is a glmm subject what can be used as a random variable for a glmm? when do you include time in the day in glmm when to use date as a random factor or time why is day and date a random variable why is date considered a random variable in glmm what is the glmm subject of the study is day random what is the random factor of time is time or date a random factor is time a random variable or a variable? why is date a random factor in glmm which is a random variable why use a random variable why is glare factor considered a variable in glmm