HFWM_est                Estimation Function for Hierarchical
                        Finlay-Wilkinson Model
HFWM_pred               Prediction Function for Hierarchical
                        Finlay-Wilkinson Model
HSFWM_est               Estimation Function for Hierarchical Spatial
                        Finlay-Wilkinson Model
HSFWM_pred              Prediction Function for Hierarchical Spatial
                        Finlay-Wilkinson Model
spFW_example_data       Example Data for Analysis
