BestC                   Find Optimal Number of Clusters for
                        Longitudinal Data
CKNNRLD                 Cluster-based KNN Regression for Longitudinal
                        Data (CKNNRLD)
CKNNRLD.tune            Tune CKNNRLD Model with Automatic Cluster
                        Selection
KNNRLD                  Standard K-Nearest Neighbor Regression for
                        Longitudinal Data
KNNRLD.tune             Tune k in KNNRLD using Cross-Validation
