GIC                     General Information Criterion (GIC) for linear
                        mixed model
lmmCCC                  Concordance correlation coefficient for linear
                        mixed models with one-level-grouping
lmmPRESS                Predicted Residual Sum of Squares for linear
                        mixed models with one-level-grouping
lmmR2                   R squared coefficient for linear mixed models
                        with one-level-grouping
lmmR2LR                 R squared coefficient based on likelihood ratio
                        for mixed models
lmmR2W                  R squared coefficient based on Wald's
                        statistics for linear mixed models with
                        one-level-grouping
lmmfit-package          Goodness-of-fit measures for linear mixed
                        models with one-level-grouping
structStep              Selecting the best structures for random
                        factors of linear mixed model with
                        one-level-grouping using GIC (General
                        Information Criterion) or PRESS coefficient
structStepR2            Selecting the best structures for random
                        factors of linear mixed model with
                        one-level-grouping using R^2 measures of
                        goodness-of-fit
