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A fuzzy clustering approach to evaluate individual competencies from REFLEX data

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  • Abdul Suleman

Abstract

We empirically illustrate how concepts and methods involved in a grade of membership (GoM) analysis can be used to sort individuals by competence. Our study relies on a data set compiled from the international survey on higher education graduates called REFLEX. We focus on the subset of data related to the perception of own competencies. It is first decomposed into fuzzy clusters that form a hierarchical fuzzy partition. Then, we calculate a scalar measure of competencies for each fuzzy cluster, and subsequently use the individual GoM scores to combine cluster-based competencies to position individuals on a scale from 0 to 1.

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  • Abdul Suleman, 2017. "A fuzzy clustering approach to evaluate individual competencies from REFLEX data," Journal of Applied Statistics, Taylor & Francis Journals, vol. 44(14), pages 2513-2533, October.
    • Handle: RePEc:taf:japsta:v:44:y:2017:i:14:p:2513-2533
    DOI: 10.1080/02664763.2016.1257589
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    1. R. E. Bellman & L. A. Zadeh, 1970. "Decision-Making in a Fuzzy Environment," Management Science, INFORMS, vol. 17(4), pages 141-164, December.
    2. McGuinness, Seamus & Sloane, Peter J., 2011. "Labour market mismatch among UK graduates: An analysis using REFLEX data," Economics of Education Review, Elsevier, vol. 30(1), pages 130-145, February.
    3. Nuria S�nchez-S�nchez & Seamus McGuinness, 2015. "Decomposing the impacts of overeducation and overskilling on earnings and job satisfaction: an analysis using REFLEX data," Education Economics, Taylor & Francis Journals, vol. 23(4), pages 419-432, August.
    4. Paul McNamee, 2004. "A comparison of the grade of membership measure with alternative health indicators in explaining costs for older people," Health Economics, John Wiley & Sons, Ltd., vol. 13(4), pages 379-395, April.
    5. Stefano Benati & Silvana Stefani, 2011. "The Academic Journal Ranking Problem: A Fuzzy-Clustering Approach," Journal of Classification, Springer;The Classification Society, vol. 28(1), pages 7-20, April.
    6. Lisa Berkman & Burton Singer & Kenneth Manton, 1989. "Black/White Differences in Health Status and Mortality Among the Elderly," Demography, Springer;Population Association of America (PAA), vol. 26(4), pages 661-678, November.
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    Cited by:

    1. Paula Vicente & Abdul Suleman & Elizabeth Reis, 2020. "Index of Satisfaction with Public Transport: A Fuzzy Clustering Approach," Sustainability, MDPI, vol. 12(22), pages 1-19, November.

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