why do lmer models generate a 0 mean what is the coefficient of the slopes for the maleid what is the value for the random slope in the r data set how to find variance in r in nap what is variance in random slopes of maleid what is the range of a random slope how to find the variance of dput in r why is male id 0 in r why is the variance of maleid napping how to find the variance for the maleid r how do i find the variance for random slopes of a bird why does a random slope of the maleid vary if the nest is only once in the data set? what is the variance in random slopes? why does my nap have a variance of 0 what makes a random slope how to interpret slopes of random maleid what model uses random slopes why is there variance with r how to omit random slopes from r data what is the variance in linear models