Authors: Reza Kamranrad; Mehdi Koosha; Majid Jalili
Addresses: Department of Industrial Engineering, Shahed University, Tehran, Iran ' Faculty of Industrial Engineering, Iran University of Science and Technology, Tehran, Iran ' Department of Industrial Engineering, Material and Energy Research Center, Karaj, Iran
Abstract: The main purpose of this manuscript is to improve the concordance of multi-correlated binary response problems using heuristic and meta-heuristic methods. For this purpose and modelling the problem, the log-linear model parameters should be estimated. In this research, an iterative nonlinear heuristic method has been proposed for simultaneous parameter estimation of multi-binary response problem. The fitness analysis of the mentioned method is evaluated by comparing the results with their counterparts in the case of independency between responses by three numerical examples in various sizes. Results illustrate the fact that the proposed heuristic method performs well in comparison with the separate estimation of the coefficients with respect to number of concordances criterion. Then, a meta-heuristic approach called simulated annealing (SA) is applied to develop the model's fitness in which the best set of controllable variables is determined in order to maximise the number of concordances.
Keywords: model fitness; log-linear modelling; correlated binary responses; metaheuristics; multi-correlated binary response models; simulated annealing.
International Journal of Productivity and Quality Management, 2016 Vol.18 No.4, pp.499 - 517
Received: 18 Aug 2014
Accepted: 15 Nov 2014
Published online: 15 Jul 2016 *