conditional_BOD         Conditional BOD function
conditional_DEA         Conditional DEA function
graph1_m_BOD            Graph to select m
graph1_m_DEA            Graph to select m
graph2_m_BOD            Graph to select m
graph2_m_DEA            Graph to select m
robust_BOD              Robust BOD function
robust_DEA              Robust Data Envelopment Analysis (DEA)
