Let \(v_{i_{4}}\) be denoted as the weights of the input variables\(x_{r_{4}j}\left(i_{4}=1,\ldots,I_{4}\right)\) to the test unit.
The weight \(\eta_{d_{3}}\) is assigned to the intermediate
measures\(\ z_{d_{3}j}\left(d_{3}=1,\ldots,D_{3}\right)\). Finally,
we consider \(u_{r_{4}}\) as the weight of the output
variable\(\text{\ y}_{r_{4}j}\left(r_{4}=1,2,\ldots,R_{4}\right)\).
We showed the efficiency of the test unit
by\(\ \theta_{0}^{\text{Test}\ \text{unit}}\). The test unit efficiency
is expressed as the following Model 3.