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This paper proposes an iterated greedy algorithm for solving the blocking flowshop scheduling problem for makespan minimization. Moreover, it presents an improved NEH-based heuristic, which is used as the initial solution procedure for the iterated greedy algorithm. The effectiveness of both...
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The two experimental methods most commonly used for reducing the effect of noise factors on a response of interest Y aim either to estimate a model of the variability (V(Y), or an associated function), that is transmitted by the noise factors, or to estimate a model of the ratio between the...
Persistent link: https://www.econbiz.de/10005495278
This article studies and evaluates how five well-known statistical packages-JMP, Minitab, SigmaXL, Statgraphics, and Statistica-address the problem of analyzing the significance of effects in unreplicated factorial designs. All five use different methods and criteria that deliver different...
Persistent link: https://www.econbiz.de/10011104192
Water management has become a vital concern for both water supply companies and public administrations due to the importance of water for life and current scarcity in many areas. Studies exist that attempt to explain which factors influence water demand. In general, these studies are based on a...
Persistent link: https://www.econbiz.de/10010997384
The aim of this project is to assign domestic water consumption to different devices based on the information provided by the water meter. We monitored a sample of Barcelona and Murcia with flow switches that recorded when a particular device was in use. In addition, the water meter readings...
Persistent link: https://www.econbiz.de/10010997539
Randomizing the order of experimentation in a factorial design does not always achieve the desired effect of neutralizing the influence of unknown factors. In fact, with some very reasonable assumptions, an important proportion of random orders achieve the same degree of protection as that...
Persistent link: https://www.econbiz.de/10004966818
Under some very reasonable hypotheses, it becomes evident that randomizing the run order of a factorial experiment does not always neutralize the effect of undesirable factors. Yet, these factors do have an influence on the response, depending on the order in which the experiments are conducted....
Persistent link: https://www.econbiz.de/10010624170