Combinatorial Efficiency Evaluation: The Knapsack Problem in Data Envelopment Analysis

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">DMU</td><td align="center">Input</td><td align="center">Output 1</td><td align="center">Output 2</td><td align="center">Efficiency</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">1</td><td align="center">1</td><td align="center">1</td><td align="center">5</td><td align="center">1</td></tr><tr><td align="left">2</td><td align="center">1</td><td align="center">3</td><td align="center">4</td><td align="center">1</td></tr><tr><td align="left">3</td><td align="center">1</td><td align="center">5</td><td align="center">2</td><td align="center">1</td></tr><tr><td align="left">4</td><td align="center">1</td><td align="center">4</td><td align="center">1</td><td align="center">0.8</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The data of Example <a href="https://static.hindawi.com/articles/tswj/volume-2014/789053/figures/#ex1">1</a>.

The Scientific World Journal

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Table 4

Table 4: Combinatorial Efficiency Evaluation: The Knapsack Problem in Data Envelopment Analysis 