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Predictive analysis of electronic waste for reverse logistics operations: a comparison of improved univariate grey models

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Abstract

Growing rates of innovation and consumer demand resulted in rapid accumulation of waste of electrical and electronic equipment or electronic waste (e-waste). In order to build and sustain green cities, efficient management of e-waste rises as a viable response to this accumulation. Accurate e-waste predictions that municipalities can utilize to build appropriate reverse logistics infrastructures gain significance as collecting, recycling and disposing the e-waste become more complex and unpredictable. In line with its significance, the related literature presents several methodologies focusing on e-waste generation forecasting. Among these methodologies, grey modeling approach has aroused interest due to its ability to present meaningful results with small-sized or limited data. In order to improve the overall success rate of the approach, several grey modeling-based forecasting techniques have been proposed throughout the past years. The performance of these models, however, profoundly leans on the parameters used with no established consensus regarding the suitable criteria for better accuracy. To address this issue and to provide a guideline for academicians and practitioners, this paper presents a comparative analysis of most utilized grey modeling methods in the literature improved by particle swarm optimization. A case study employing e-waste data from Washington State is provided to demonstrate the comparative analysis proposed in the study.

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Acknowledgements

The authors would like to thank The Washington State Department of Ecology for providing access to e-waste data sets, particularly to the 2015 data set.

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Correspondence to Gazi Murat Duman.

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Gazi Murat Duman declares that he has no conflict of interest. Elif Kongar declares that she has no conflict of interest. Surendra M. Gupta declares that he has no conflict of interest.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Communicated by V. Loia.

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Appendix

Appendix

See Tables 8 and 9.

Table 8 RMSE and year 2015 values computed via each model for recycled e-waste
Table 9 RMSE and year 2015 values computed via each model for disposed e-waste

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Duman, G.M., Kongar, E. & Gupta, S.M. Predictive analysis of electronic waste for reverse logistics operations: a comparison of improved univariate grey models. Soft Comput 24, 15747–15762 (2020). https://doi.org/10.1007/s00500-020-04904-w

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  • DOI: https://doi.org/10.1007/s00500-020-04904-w

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