| dea | Data envelopment analysis scores |
| dea.env.robust | Bias-corrected data envelopment analysis with environmental variables |
| dea.robust | Bias-corrected data envelopment analysis |
| hospitals | Data on Japanese local public hospitals |
| multi_glpk_solve_LP | Multi Problem Solver for Linear and Mixed Integer Programming Using GLPK |
| rts.test | Test for returns-to-scale in data envelopment analysis |