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What happens if in the principal component analysis the Pearsonian is replaced by the Brownian coefficient of correlation?

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  • Mishra, Sudhanshu K

Abstract

The Brownian correlation has been recently introduced by Székely et al. (2007; 2009), which has an attractive property that when it is zero, it guarantees independence. This paper investigates into the effects and advantages, if any, of replacement of the Pearsonian coefficient of correlation (r) by the Brownian coefficient of correlation (say, ρ), other things remaining the same. Such a replacement and analysis of its effects have been made by the Host-Parasite Co-evolutionary algorithm of global optimization applied on six datasets.

Suggested Citation

  • Mishra, Sudhanshu K, 2014. "What happens if in the principal component analysis the Pearsonian is replaced by the Brownian coefficient of correlation?," MPRA Paper 56861, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:56861
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    File URL: https://mpra.ub.uni-muenchen.de/56861/1/MPRA_paper_56861.pdf
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    References listed on IDEAS

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    1. Sudhanshu K Mishra, 2013. "Global Optimization of Some Difficult Benchmark Functions by Host-Parasite Coevolutionary Algorithm," Economics Bulletin, AccessEcon, vol. 33(1), pages 1-18.
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    Cited by:

    1. Nayak, Purusottam & Mishra, Sudhanshu K, 2014. "A State Level Analysis of the Status of Social Sector in India," MPRA Paper 58136, University Library of Munich, Germany.
    2. Sudhanshu K. MISHRA, 2017. "Trends in globalization of select Asian countries," Journal of Economic and Social Thought, KSP Journals, vol. 4(4), pages 451-466, December.

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    More about this item

    Keywords

    Brownian correlation; Principal Component Analysis; Global Optimization; Host-Parasite Co-evolutionary algorithm; Iris Flower Dataset; 1985 Auto Imports Database; Levy distribution; outliers;
    All these keywords.

    JEL classification:

    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
    • C43 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Index Numbers and Aggregation
    • C45 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Neural Networks and Related Topics
    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • 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

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