International Journal of Theoretical and Applied Mathematics

Volume 6, Issue 5, October 2020

  • Regression Models for Predictions of COVID-19 New Cases and New Deaths in Ethiopia

    Alemayehu Siffir Argawu

    Issue: Volume 6, Issue 5, October 2020
    Pages: 53-63
    Received: 18 August 2020
    Accepted: 8 September 2020
    Published: 8 December 2020
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    Abstract: As the 15 of June 2020, we have 7,984,067 total COVID-19 cases, globally and 435,181 total deaths. Ethiopia was ranked 2nd and 15th in the table by 176 new cases and by 3,521 total new cases from African countries. Then, this study aimed to predict COVID-19 new cases and new deaths based on May/June data in Ethiopia using regression model. In this ... Show More
  • Determinants of Household Food Insecurity in Rural Ethiopia: Multiple Linear Regression (Classical and Bayesian Approaches)

    Efrem Belachew Sime

    Issue: Volume 6, Issue 5, October 2020
    Pages: 64-75
    Received: 22 October 2020
    Accepted: 16 November 2020
    Published: 11 December 2020
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    Abstract: This paper examined the determinants of food insecurity among rural households in Ethiopia using data obtained from Households Consumption and Expenditure (HCE) and Welfare Monitoring (WMS) Survey conducted in 2011 by Central Statistical Agency (CSA). Bayesian multiple liner regression analysis was employed to identify determinant factors of rural ... Show More
  • Time Series Analysis of Monthly Average Temperature and Rainfall Using Seasonal ARIMA Model (in Case of Ambo Area, Ethiopia)

    Teshome Hailemeskel Abebe

    Issue: Volume 6, Issue 5, October 2020
    Pages: 76-87
    Received: 27 October 2020
    Accepted: 5 November 2020
    Published: 11 December 2020
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    Abstract: Forecasting mean temperature and rainfall is an important for planning and formulating agricultural strategies. Thus, this paper, try to analyze and forecast monthly mean temperature and rainfall in Ambo area on the data from January 2012 to March 2019. From graphical analysis on time plot and ACF, the series seems to have a seasonal component. For... Show More