Presenting a Grey DEA method for Performance Evaluationof Tehran Province Vocational Organization

DEA (Data Envelopment Analysis) is a model for ranking Decision Making Units, which uses some inputs and outputs.DEA establishes a best practice group among a set of observed units and identifies the units that are inefficient. If our knowledge about the inputs or outputs is not complete or accurate, it willbe better to use Grey numbers. In this paper we use Grey DEA to rank the Decision Making Units and evaluate their performances. Part 1 is introduction, part 2 is literature review, in part 3 we present the method, part 4 is numerical Example and the last part is conclusion

کلیدواژه ها:

Performance Evaluation ، DEA ، Grey theory ، Ranking