Science Journal of Applied Mathematics and Statistics

Archive

Volume 2, Issue 2, April 2014

  • Measuring Portfolio Loss Using Approximation Methods

    Osei Antwi

    Issue: Volume 2, Issue 2, April 2014
    Pages: 42-52
    Received: 7 March 2014
    Accepted: 9 April 2014
    Published: 20 April 2014
    DOI: 10.11648/j.sjams.20140202.11
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    Abstract: One of the approaches to determining and quantifying the credit risk of a loan portfolio is by obtaining the distribution of losses of the portfolio and determining the risk quantities from such distributions. In this paper, we describe the challenges to using this approach and illustrate a practical solution where simulation methods are used to ob... Show More
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  • A Probabilistic Estimation of the Basic Reproduction Number: A Case of Control Strategy of Pneumonia

    Ong’ala Jacob Otieno, Mugisha Joseph, Oleche Paul

    Issue: Volume 2, Issue 2, April 2014
    Pages: 53-59
    Received: 13 March 2014
    Accepted: 10 April 2014
    Published: 20 April 2014
    DOI: 10.11648/j.sjams.20140202.12
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    Abstract: Deterministic models have been used in the past to understand the epidemiology of infectious diseases, most importantly to estimate the basic reproduction number, Ro by using disease parameters. However, the approach overlooks variation on the disease parameter(s) which are function of Ro and can introduce random effect on Ro. In this paper, we est... Show More
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