International Journal of Statistical Distributions and Applications

Volume 5, Issue 3, September 2019

  • Forecasting of Tomatoes Wholesale Prices of Nairobi in Kenya: Time Series Analysis Using Sarima Model

    Robert Mathenge Mutwiri

    Issue: Volume 5, Issue 3, September 2019
    Pages: 46-53
    Received: 23 June 2019
    Accepted: 17 July 2019
    Published: 5 August 2019
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    Abstract: Price forecasting is more sensitive with vegetable crops due to their high nature of perishability and seasonality and is often used to make better-informed decisions and to manage price risk. This is achievable if an appropriate model with high predictive accuracy is used. In this paper, Seasonal Autoregressive Integrated Moving Average (SARIMA) m... Show More
  • A Study on Transmuted Half Logistic Distribution: Properties and Application

    Adeyinka Femi Samuel, Olapade Akintayo Kehinde

    Issue: Volume 5, Issue 3, September 2019
    Pages: 54-59
    Received: 2 May 2019
    Accepted: 24 June 2019
    Published: 13 August 2019
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    Abstract: In this article we transmute the half logistic distribution using quadratic rank transmutation map to develop a transmuted half logistic distribution. The quadratic rank transmutation map enables the introduction of extra parameter into its baseline distribution to enhance more flexibility in the analysis of data in various disciplines such as reli... Show More
  • An Analysis of the Determinants of Fertility Differentials Amongst the Poorest Women Population in Kenya

    Robert Mathenge Mutwiri

    Issue: Volume 5, Issue 3, September 2019
    Pages: 60-66
    Received: 2 July 2019
    Accepted: 27 July 2019
    Published: 13 August 2019
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    Abstract: Fertility is one of the major elements in population dynamics that has the highest significant contribution towards population size and structure in the world. In Kenya, fertility levels have been on the decline from approximately 8.1 children in 1979 to 3.9 children in 2014 but still, it is considered high compared to the country’s target of 2.6 b... Show More
  • Extreme Value Modelling of Rainfall Using Poisson-generalized Pareto Distribution: A Case Study Tanzania

    Emmanuel Iyamuremye, Joseph Mung'atu, Peter Mwita

    Issue: Volume 5, Issue 3, September 2019
    Pages: 67-75
    Received: 31 July 2019
    Accepted: 27 August 2019
    Published: 10 September 2019
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    Abstract: Extreme rainfall events have caused significant damage to agriculture, ecology and infrastructure, disruption of human activities, injury and loss of life. They have also significant social, economical and environmental consequences because they considerably damage urban as well as rural areas. Early detection of extreme maximum rainfall helps to i... Show More