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Table 1 Example 1. Data set for DMUs (Extracted from Izadikhah and Farzipoor 2016)

From: Network DEA based on DEA-ratio

\(DMU\) Input(X) Intermediate measure (Z) Output (Y) \(\left( \frac{\varvec{Z}}{\varvec{X}}, \frac{\varvec{Y}}{\varvec{X}}\right)\)
A 2 1.5 1.5 \(A'\left( \frac{3}{4}, 1\right)\)
B 4 4 5 \(B'\left( 1, \frac{5}{4}\right)\)
C 5 5 6 \(C'\left( 1, \frac{6}{5}\right)\)