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Browsing by Author "Attanayake, A.M.C.H."

Browsing by Author "Attanayake, A.M.C.H."

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  • COMPARISON OF PERFORMANCES OFSELECTED FORECASTING MODELS:AN APPLICATION TO DENGUE DATA IN COLOMBO, SRI LANKA 
    Attanayake, A.M.C.H.; Perera, S.S.N.; Liyanage, U.P. (Department of Statistics & Computer Science, Faculty of Science,& Research & Development Centre for Mathematical Modelling, Faculty of Science, University of Colombo, Sri Lanka., 2021)
    Dengue is a one of the diseases in the world which has no exact treatment to recover from the disease. It is rapidly spreading throughout the world by causing large number of deaths [1]. In Sri Lanka, there is an increase ...
  • Development of a Minitab Macro Program as a Remedy to Overcome Heteroscedasticity in Linear Regressions 
    Attanayake, A.M.C.H.; Hewapathirana, T.K. (University of Kelaniya, 2008)
    Homoscedasticity in the disturbance terms that appear in a regression function is one of the key assumptions of ordinary least squares analysis. As the developed regression model relies heavily on the model assumptions, ...
  • A Fuzzy Linear Model Using Possibilistic Linear Regression with Least Squares Method: An Application to Dengue and Rainfall Data 
    Attanayake, A.M.C.H.; Perera, S.S.N.; Liyanage, U.P. (International Postgraduate Research Conference 2019, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2019)
    Fuzzy linear models deal with vague and imprecise phenomenon in order to represent better models. These type of models are especially suitable in modelling and predicting dengue disease as the disease associated with various ...
  • Identifying Factors Associated with Price Categories of Motorcycles in Sri Lanka using Discriminant Analysis 
    Chanika, P.A.L.; Attanayake, A.M.C.H.; Gunaratne, M.D.N. (Department of Statistics & Computer Science, University of Kelaniya, Sri Lanka, 2021)
    The motorcycle is one of the most popular modes of transportation in Asia because it is a fast, economic and convenient mode of transportation. According to the motor vehicle registration statistics of the department of ...
  • MODELING COVID-19 CASES IN SRI LANKA USING ARIMA MODELS 
    Attanayake, A.M.C.H.; Perera, S.S.N. (The Open University Of Srilanka., 2020)
    COVID-19 (Novel Coronavirus) is a pandemic which spread around the world at an alarming rate. As of 10th June 2020, 1,880 infections and 11 deaths were reported in Sri Lanka due to COVID-19. The number of infections increase ...
  • Study on monthly expenditures of undergraduates of Faculty of Science, University of Kelaniya 
    Gunawardana, K.M.A.R.S.; Madhubashini, M.G.A.K.; Madhumali, N.G.M.; Nanayakkara, K.A.D.C.N.; Nuwanthika, G.G.T.; Pandgamage, I.D.; Rangari, S.C.; Samanpitiya, H.M.I.; Sandamali, H.D.S.; Sandhamali, N.P.A.A.; Pitigalaarachchi, P.A.A.C.; Attanayake, A.M.C.H. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    There are lots of changes in students’ lives after transition from school to university. Students face new challenges and expenditures of students are varied with these changes. The aim of this study is to understand the ...
  • A survey on usage of canteens of University of Kelaniya by students of Faculty of Science 
    Dias, S.N.U.P.; Priyasad, H.A.D.; Manamperi, D.K.S.; Kumara, M.S.M.S.; Sandaruwan, D.M.S.; Pramoda, K. A.D.A.; Fernando, T.S.D.; Rashmi, W.A.D.; Ravindran, U.M.; Dhananjani, W.T.; Pitigalaarachchi, P.A.A.C.; Attanayake, A.M.C.H. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    The university canteens while providing meals are an important meeting point for both students and staff members. There are several canteens within a university but service provided by canteens and therefore, students’ ...
  • Survey on usage of university main library by undergraduates of Faculty of Science, University of Kelaniya. 
    Sandamali, L. B. U.; Dhananjani, G. L. I.; Manchanayake, M. A. S. N.; Perera, M. S. H.; Madhushika, P. A. L.; Jayasanka, P. G. Y.; Edirisinghe, E. C. D.; Premathilaka, R. A. N. M.; Rajapaksha, M. O. S.; Senewirathne, A. P. D. S.; Attanayake, A.M.C.H. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    The main library of the University of Kelaniya plays a major role in advancing knowledge of its users. It provides a huge collection of reading materials for reference use or lending. The aim of this study is to understand ...
  • A Univariate Box-Jenkins Model to Predict Relative Humidity Levels in Puttalam at Night 
    Attanayake, A.M.C.H.; Hewapathirana, T.K. (University of Kelaniya, 2008)
    Humidity is among one of the most important weather conditions that influence salt preparation. Technical processes and treatments carried out in salt factories and laboratories require relative humidity levels to be ...
  • Vaccination Coverage for COVID-19 in Sri Lanka: With and Without Age Stratification on Susceptible-Infectious-Recovered Simulation 
    Attanayake, A.M.C.H. (Journal of Occupational Health and Epidemiology,, 2022)
    Background: Vaccination against COVID-19 is as a key solution to interrupt its spread. This study aimed to describe the vaccination coverage required to stop the spread of COVID-19 in Sri Lanka using a mathematical modeling ...

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