This note provides a complete implementation of the original Charnes,
Cooper and Rhodes data envelopment analysis model. For this purpose th
e algebraic modeling language AMPL is used, software for which, packag
ed with the LP solvers CPLEX and MINOS, is readily available. Because
AMPL is such a high-level language, with a syntax matching very closel
y that of the algebraic, symbolic representation of a linear programmi
ng model, the interested reader should be able to adapt the given impl
ementation to any other data envelopment analysis model variant. Copyr
ight (C) 1996 Elsevier Science Ltd