COR                     Caculate the optimal subset lengths on the COR
LICbeta                 Calculate the LIC estimator for linear
                        regression
LICnew                  Calculate the LIC estimator based on A-optimal
                        and D-optimal criterion
MSEbeta                 Calculate MSE values for different beta
                        estimation methods
MSEcom                  Caculate the MSE values of the COR criterion in
                        simulation
MSEver                  Caculate the MSE values of the COR criterion
                        for redundant data in simulation
beta_AD                 Caculate the estimators of beta on the A-opt
                        and D-opt
beta_LW                 Caculate the estimators of beta on the
                        LEV-opt#'
beta_cor                Caculate the estimator of beta on the COR
communities             The communities and crime data set
ethylene_CO             The chemical sensor data set
