American Journal of Theoretical and Applied Statistics

Archive

Volume 8, Issue 4, July 2019

  • Estimating the Age at HIV Infection Retroactively in Limited Resource Settings: A Case Study of Tanzania

    Theresia Bonifasi Mkenda, Kaku Sagary Nokoe, Samuel Githinji Karoki

    Issue: Volume 8, Issue 4, July 2019
    Pages: 125-135
    Received: 25 June 2019
    Accepted: 18 July 2019
    Published: 10 August 2019
    DOI: 10.11648/j.ajtas.20190804.11
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    Abstract: Estimation of HIV infection time is a crucial step in HIV/AIDS management as it can help to make informed decisions on the best intervention strategies for controlling new infections, and for taking care of the infected individuals. This study demonstrates three approaches for estimating the age at HIV infection in limited resource settings. Using ... Show More
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  • Use of Alpha-Designs in Oil Palm Breeding Trials

    Léon Rob Verdooren

    Issue: Volume 8, Issue 4, July 2019
    Pages: 136-146
    Received: 26 June 2019
    Accepted: 1 August 2019
    Published: 14 August 2019
    DOI: 10.11648/j.ajtas.20190804.12
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    Abstract: In Oil Palm Breeding trials the plots have palms at vertices of equilateral triangles with side length of 9 m. The plots consist of 6x6 = 36 palms, hence a plot is a rectangle of 46.8 x 54m. The number of tested varieties is 20 – 40, the experimental design needed is an incomplete block design, with usually 3 replications; the alpha-designs can giv... Show More
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  • Factors That Affect the Growth of Micro and Small Scale Enterprises in DebreBerhan Town

    Fekade Getabil Habtewold

    Issue: Volume 8, Issue 4, July 2019
    Pages: 147-156
    Received: 2 July 2019
    Accepted: 30 July 2019
    Published: 23 August 2019
    DOI: 10.11648/j.ajtas.20190804.13
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    Abstract: Micro and Small Enterprises (MSEs) in DebreBerhan town does not show necessary growth level and some of the enterprises ceased from market in their infant age. Hence, this study conducted with the objective of assessing factors affecting growth of micro and small enterprises in DebreBerhan town. The study has used both descriptive and explanatory r... Show More
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