alpha                   Calculate Alpha Irreplaceability
beta                    Calculate Beta Irreplaceability
gamma                   Calculate Gamma of Irreplaceability
marxan_alphas           Marxan: Alpha irreplaceabilities
marxan_betas            Marxan: Beta irreplaceabilities
marxan_gammas           Marxan: Gamma irreplaceabilities
marxan_run              Marxan: Save Alpha, Beta and Gamma
                        Irreplaceabilities
