* Improved Documentation: Clearer and more comprehensive information on HTRfit functionalities and usage. * Additional Metrics: Added RMSE for enhanced model evaluation. * Additional plot: Violin plot to measure proximity between actual and estimate for random effects. * Improved Flexibility: Ability to combine various genes behavior with combine_mock() * User experience: More informative messages. * R 4.4.0 Compatible: Fully supports the latest R version.