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The mode-centric M-Gaussian distribution: A model for right skewed data

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  • Mudholkar, Govind S.
  • Yu, Ziji
  • Awadalla, Saria S.

Abstract

Scientific data are often nonnegative, right skewed and unimodal. For such data, the Mode-Centric M-Gaussian distribution is a basic model. It is R-symmetric and has mode as the centrality parameter. It is variously analogous enough to the Gaussian distribution to regard the Gaussian twin. In this paper, the essentials, namely the concept of R-symmetry, the M-Gaussian distribution, the roles of the mode and harmonic variance as, respectively, the centrality and dispersion parameters of the M-Gaussian distribution, are introduced. The pivotal role of the M-Gaussian family in the class of R-symmetric distributions and the estimation, testing, and characterization properties are discussed. The similarities between the Gaussian and the M-Gaussian distributions, namely the G–M-G analogies, are summarized. The work on the model, which is currently in progress, and the possible significance of the M-Gaussian in statistical applications such as regression analysis, Bayesian statistics and sequential analysis are outlined.

Suggested Citation

  • Mudholkar, Govind S. & Yu, Ziji & Awadalla, Saria S., 2015. "The mode-centric M-Gaussian distribution: A model for right skewed data," Statistics & Probability Letters, Elsevier, vol. 107(C), pages 1-10.
    • Handle: RePEc:eee:stapro:v:107:y:2015:i:c:p:1-10
    DOI: 10.1016/j.spl.2015.07.016
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    References listed on IDEAS

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    1. Jones, M.C., 2012. "Relationships between distributions with certain symmetries," Statistics & Probability Letters, Elsevier, vol. 82(9), pages 1737-1744.
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