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A note on the sub-optimality of rank ordering of objects on the basis of the leading principal component factor scores

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Abstract

This paper demonstrates that if we intend to optimally rank order n objects (candidates) each of which has m attributes or rank scores awarded by m evaluators, then the ordinal ranking of objects by the conventional principal component based factor scores turns out to be suboptimal. Three numerical examples have been provided to show that principal component based rankings do not necessarily maximize the sum of squared correlation coefficients between the individual m rank scores arrays, X(n,m), and overall rank scores array, Z(n).

Suggested Citation

  • Mishra, SK, 2008. "A note on the sub-optimality of rank ordering of objects on the basis of the leading principal component factor scores," MPRA Paper 12419, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:12419
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    File URL: https://mpra.ub.uni-muenchen.de/12419/1/MPRA_paper_12419.pdf
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    References listed on IDEAS

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    1. Mishra, SK, 2006. "Global Optimization by Differential Evolution and Particle Swarm Methods: Evaluation on Some Benchmark Functions," MPRA Paper 1005, University Library of Munich, Germany.
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    Cited by:

    1. S. K. Mishra, 2010. "(Computer Algorithms) The Most Representative Composite Rank Ordering of Multi-Attribute Objects by the Particle Swarm Optimization Method," Journal of Quantitative Economics, The Indian Econometric Society, vol. 8(2), pages 165-200.

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    More about this item

    Keywords

    Rankings; sub-optimal; optimality; principal component; factor scores; Differential Evolution; global optimization;
    All these keywords.

    JEL classification:

    • C43 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Index Numbers and Aggregation
    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • C87 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Econometric Software
    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis

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