dataset                 dataset simulated using the procedure described
                        in the reference
el.test.bfgs            Empirical likelihood ratio test for the means
                        using BFGS method for optimization
el.test.damped          Empirical likelihood ratio test for the means
                        using damped Newton method for optimization
el.test.dfp             Empirical likelihood ratio test for the means
                        using DFP method for optimization
el.test.frpr            Empirical likelihood ratio test for the means
                        using FRPR method for optimization
el.test.newton          Empirical likelihood ratio test for the means
                        using Newton method for optimization
samp                    sample from bootstrap
vec                     four constants
