Changes in version 1.0.1 (2026-05-07) - Revised CRAN submission. - Added references to the DESCRIPTION file - Replace print statements with error statements where appropriate and otherwise with message statements - Removed options(warn=-1) in the identified scripts Changes in version 1.0.0 - Initial CRAN submission. - Provides power analysis and sample size calculation for repeated measures experiments with hierarchical or crossed designs. - Supports linear mixed effects models via lme4 and simulation-based power analysis via simr. - Handles normal and non-normal error distributions (binomial, Poisson, negative binomial). - Includes diagnostic tools for model assumption testing and outlier detection.