Online supplementary material for Confidence Interval Width Contours: Sample Size Planning for Linear Mixed-Effects Models

Online supplementary material includes:Supplementary material 1: Tables and figures of the results of the simulation studies.Supplementary material 2: R function for sample size planning for linear mixed-effects models.Supplementary material 3: Codes for calling the R function for sample size planning for linear mixed-effects models and their instructions.Supplementary material 4: Codes for analizing the empirical example and the results.