Publications

Recent Publication by the Department Staff (After 2008)

 

2016

  • Attanayake, A M C H, Jayasundara, D D M and Peiris, T S G (2016). An Application of 5-Fold Cross validation on a Binary Logistic Regression Model. Advances & Applications in Statistics. 49(6), 443-461.
  • Nanyakkara K. A. D. S. A. and Peiris, T. S. G. (2016). Impact of Mathematics in Level 1 on the Academic Performance of Engineering Students: A Case Study. International Journal of Applied Statistics and Statistical Sciences, 5(4), 1 -8.
  • Mathugama, S. C. and Peiris, T. S. G. (2016). Use of ESACF and SCAN methods to develop ARIMAX(p,d,q,b) to model critical lengths of  dry spells in Anamaduwa, Sri Lanka.  Accepted for publication in te the Sri Lankan Journal of Applied Statistics)
  • Nanayakkara K A D S A and Peiris, T. S. G. (2016). Application of Canonical  Correlation Analysis to Study the Influence of Mathematics on Engineering Programs. Proceedings of the ERU Symposium, University of Moratuwa, IEEE (978-1-5090-0645.
  • Waidyaratne, K P and Peiris, T S G (2016). Effect of Frequiency of Harvesting in Farmer’s Field in Different Land Suitability Classese of Coconut. Proceedings of the 6th Symposium on Plantation Crop Resarch, (2-4) November, BMICH, Colombo.

 

2014

  • Razmy A. M. & Peiris T. S. G. (2014). Comparison of Rectangular and Elliptical Control Region EWMA Schemes for Joint Quality Monitoring, Open Journal of Statistics, 4 (11), 970 -976.
  • Razmy A M and Peiris, T. S. G (2014). A Novel Joint Quality Monitoring Approach for Industrtial Application. Proceedings of the 1st Quality Symposium, Sri Lanka Standad Instituites, Colombo, 119-124
  • Yadharshny Sivapragasam, and Peiris T. S. G. (2014). Factors Effecting on Internet Banking Adoption: A Case Study. Asian Journal of Business and Management (AJBM),  2(4), 232-239.

 

2013

  • Razmy, A. M. and Peiris, T. S. G. (2013).  Design of Expoenetially Weighted Moving Average Chart for Monitoring Standardized Process Variance.  International Journal of Engineering and Technology. Vol 13 , 74-78.
  • Razmy, AM and Peiris, T. S. G. (2013).  Design of Expoenetially Weighted Moving Average Scheme for Standardized Means.  Sri Lanka Journal of Applied Statistics. Vol (14-2), 145-152.
  • Razmy A M and Peiris, T. S. G. (2013). Performance Comparison of  Shewhart Joint Monitoring Schemes for Mean and Variance.  Proceeding of the 19th National Engineering Conference, 19th  ERU Symposium, Faculty of Engineering, University of Moratuwa, Sri Lanka. Vol. 19, 99 -104
  • Udaya Jayatilake and Saba Nafees, Making Polyhedra: a Hands-on Experience, MOVES Conference, Museum of Mathematics, New York (2013)

 

2012

  • Mathugama S C and Peiris T S G (2012). Spatial and Temporal Analysis of Critical Dry Spells in Sri Lanka. The International J of Climate Change: Impacts and Responses.International Journal  of Climate Change: Impacts and Response. 3(3): 71 - 88.
  • Mathugama, S C and Peiris T S G. (2012). Modelling Onset of Critical Dry Spells in DL2 Region in Dry Zone Sri Lanka. Proceedings of the 2nd Regional Conference on Applied and Engineering Mathematics. Penang, Malaysia.719 -725.
  • Alibuhtto M C and Peiris T S G (2012). Modelling CCPI Using Time Series ARIMA Model. Proceeding of the 1st Annual Research Conference - Emerging Issues in Management and Finance. Faculty of Management & Commerce, South Eastern University, 63p.
  • Razmy A M and Peiris, T S G (2012). A standard method to compare combined Quality Monitoring Schemes using Average Raw length. Proceeding of the 2nd International Symposium. South Eastern University of Sri Lanka. 172-173 p

 

2011

  • Cooray T M J A  (2011).  Capturing Leverage Effect of High Volatility Data Series. Proceeding of the Annual  Academic Secession.  The Open University of Sri Lanka,  pp83-86.
  • Peiris T U and Peiris, T S G (2011). Measuring Stock Market Volatility in an Emerging Economy. International Conference on Business and Information, Faculty of Commerce and Management Studies, University of Kelaniya,
  • Mathugama S C and Peiris T S G (2011). Critical Evaluation of Dry Spell Research. International J of Basic and Applied Sciences, 11 (6), 153-160.
  • Pamoda Kodikara and Cooray T M J A. (2011). Econometric Analysis Of Value Added Tax with Colombo Consumer Price Index In Sri Lanka. Proceedings of the 8th International Conference on Business Management, University of Sri Jayawardanapura.
  • Daamage D T, Wckramasighe V M and Cooray T M J A (2011). Sustainable Development through Workforce Planning: An analysis and forecast of investment-Based employment generation, Colombo Business Journal. Vol. 2, 15-36
  • Jayatilake U C (2011). Brannan’s Conjecture for Initial Coefficients, Complex Variables and Elliptic Equations, 2011/07 (ISSN 1747–6933 print/ISSN 1747–6941 online).

 

2010

  • Mathugama C S and Peiris T S G (2010). Forecasting critical dry spell lengths in Anamaduwa. Proceedings of the 16th Annual Symposium of the Faculty of Engineering, 240-241.
  • Waidyaratne K P, Peiris T S G and Samita S (2010). Significance Changes of Seasonal Rainfall in Coconut Growing Area in Sri Lanka. In Proceedings of the 3rd Symposium on Plantation Crop Research. - 214-223, (Eds: R S Dharmakeerthi and A M W K Senevitahna), 30 September-01 October, Cinnamon Garden Hotel, Colombo, Sri Lanka.
  • Mathugama S C and Peiris T S G (2010). Minimizing of vulnerability caused by extended dry spells. Proceeding of the 2nd National Symposium on Disaster Risk Reduction and Climate Change Adaptation, 13-14 October, Sri Lanka Foundation Institute, Sri Lanka, 14p
  • Peiris T S G (2010). A study of future climate in Sri Lanka. Proceedings of the 2nd National Symposium on Disaster Risk Reduction & Climate Change Adaptation, 13-14 October, SLFI, Colombo, 47p
  • Silva H V S de, Karunarathna A and Dharmarathna H A S G. (2010). Effects of socio -economic and academic factors on the performance of engineering students at the University of Moratuwa. Proceedings of Annual Research Symposium, University of Colombo, 1118p.

 

2009

  • Mathugama C S and Peiris T S G (2009) . Forecasting Dry Spells in DL1 - A Case study from Anamaduwa. Proceedings of the 15th Annual Symposium of the Faculty of Engineering, 123-124.
  • Mathugama, S. C. and Peiris, T. S. G. (2009). Analysis of the occurrence of dry spells in the DL2 region of Sri Lanka, Proceeding of the International Statistics Conference, 8-10 January, Sri Lanka Foundation Institute, Sri Lanka, 10p
  • C. Wickramarachchi, S. Samita and Peiris, T. S. G. (2009). An Algorithm to detect over-dispersion in multinomial data. Proceeding of the International Statistics Conference, 8-10 January, Sri Lanka Foundation Institute, Sri Lanka, 21p

 

2008

  • Peiris T S G, Hansen J W and Lareef Zubair (2008). Use of seasonal climate information to predict coconut production in Sri Lanka. J of Climatology, 28: 103-10.
  • Cooray T M J A and Peiris, T S G (2008). Day and Night, Electricity Load Forecasting for Peaks Values in Sri Lanka. Sri Lanka Journal of Applied Statistics, 9, 121-131
  • Peiris T S G and Kularatne J D J S (2008). Assessment of Climate Variability for Coconut and Other Crops: A Statistical Approach. International Journal of Coconut Research & Development (CORD). 24(1) 35-534)  Kularatne  J D  J S, Peiris T S G and Samita S. (2008). Impact of  Covariate on Single Palm Plot Experiments in Coconut. International Journal of Coconut Research & Development (CORD CORD, 24(2), 10-20.
  • Peiris, T S G (2008). Impacts Assessment due to Climate Change on the Coconut Industry in Sri Lanka. Proceedings of the 14th Annual Symposium of the Faculty of Engineering, 24-25