which model does not implement mcm sampling in r? what is the function of pvals.fnc can you find confidence intervals when calculating confidence intervals, which function is used what is pvals.fnc used for what is pvals.fnc used for what is the function of pvals.fnc? what r function does mixed effects use lmer ci function what is the function of pvals.fnc in r what is the function of pvals.fnc how do we obtain confidence intervals in mixed effects? how to compute confidence intervals in r how do i get mcmc can you use pvals.fnc to find confidence intervals does mixed effects have confidence intervals pvals.fnc is not implemented what is the function that gets confidence intervals? how to calculate confidence intervals how to determine confidence interval in mixed effects model