| 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 |