American Journal of Theoretical and Applied Statistics

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Volume 12, Issue 1, January 2023

  • Bayesian Analysis of Multivariate Longitudinal Ordinal Data Using Multiple Multivariate Probit Models

    Xiao Zhang

    Issue: Volume 12, Issue 1, January 2023
    Pages: 1-12
    Received: 1 March 2023
    Accepted: 17 March 2023
    Published: 28 March 2023
    DOI: 10.11648/j.ajtas.20231201.11
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    Abstract: Multivariate longitudinal ordinal data are often involved in longitudinal studies with each individual having more than one longitudinal ordinal measure. However, due to complicated correlation structures within each individual and no explicit likelihood functions, analyzing multivariate longitudinal ordinal data is quite challenging. In this paper... Show More
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  • Properties and Construction Method for Symmetric Balanced Incomplete Block Design with λ=1

    Troon John Benedict, Onyango Fredrick, Karanjah Anthony

    Issue: Volume 12, Issue 1, January 2023
    Pages: 13-17
    Received: 13 April 2023
    Accepted: 27 April 2023
    Published: 10 May 2023
    DOI: 10.11648/j.ajtas.20231201.12
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    Abstract: Symmetric Balanced Incomplete Block Designs with λ=1 is a common class of BIBDs which are mostly used in incomplete experimental block design set up because of their simplicity in set up and also in analysis. Over the years since development of the BIBDs by Yates in the year 1939. A number of research has been done on the design to establish proper... Show More
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