Staff profile - Lasitha Dharmasena

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Dr Lasitha Dharmasena

Position: Lecturer
Faculty or Division: Faculty of Business & Law
Department: Dept. of Information Systems & Business Analytics
Campus: Melbourne Burwood Campus
Phone: +61 3 92446565 +61 3 92446565
Email: lasitha.dharmasena@deakin.edu.au

Biography

Qualifications

  • GCHE Exempt, Deakin University, 2011
  • Bachelor of Science, University of Colombo (Sri Lanka), 2002
  • Master of Applied Science, Royal Melbourne Institute of Technology, 2003
  • Doctor of Philosophy, Royal Melbourne Institute of Technology, 2009


Academic

Teaching Interests

  • Business statistics
  • Exploratory data analysis
  • Statistical modelling


Subjects and units currently teaching

  • MIS171 Business Analytics
  • MSQ791 Data Analysis for Managers
  • MIS770 Analytical Skills for Managers


Research

Research interests

  • Visual Analytics
  • Generalized Linear Models
  • Multivariate Analysis
  • Nonparametric Regression
  • Sequential Analysis
  • Quality control
  • Nonparametric Density Estimation


Research grants

Cybulski, J, Mather, D, Keller, S, Saundage, D and Dharmasena, L. Enhancing collaborative learning in information systems business analytics using data visualisation and manipulation techniques, OLT Seed Projects - Office for Learning and Teaching.
2012: $165,000

2014: $7107


Research page

https://www.deakin.edu.au/apps/research/find-a-researcher/35873/Dr-Lasitha-Dharmasena


Publications

Publications

  • G. Jayasinghe, W. Webber, M. Sanderson, L. S. Dharmasena and S. Culpepper, Evaluating Non-deterministic Retrieval Systems, 37th International ACM SIGIR Conference on Research & Development in Information Retrieval, July 06 - 11 2014, Gold Coast , QLD, Australia, 2014.
  • L.S. Dharmasena and P. Zeephongsekul, 'Univariate and multivariate process yield indices based on location-scale family of distributions', International Journal of Production Research, 2014, pp. 1-19.
  • L. S. Dharmasena, P. Zeephongsekul and M. Abdollahian, Estimating Capability Index in Multivariate Processes Using Bootstrap Sequential Sampling Procedures, 18th ISSAT International Conference on Reliability and Quality in Design, Boston, Massachusetts, USA, July 26-28, 2012.
  •  L. S. Dharmasena, P. Zeephongsekul and C. L. Jayasinghe, Software Reliability Growth Models based on Local Polynomial Modeling with Kernel Smoothing, Proceedings of IEEE 22nd International Symposium on Software Reliability Engineering, Hiroshima, Japan, Nov 29 - Dec 2, 2011.
  • L. S. Dharmasena, P. Zeephongsekul and P. Castagliola, Estimating Process capability index Cpm using a bootstrap sequential sampling procedure, Communications in Statistics - Simulation and Computation, 39(6), 2010, pp. 1097—1110.
  • L. S. Dharmasena and P. Zeephongsekul, Fitting software reliability growth curves using nonparametric regression methods, Statistical Methodology, 7 (2), 2010, pp. 109—120.
  • L. S. Dharmasena and P. Zeephongsekul, Predicting software reliability growth using bootstrap nonparametric fixed-width confidence intervals, 15th ISSAT International Conference on Reliability and Quality in Design, San Francisco, USA, August 6-8, 2009, pp. 362—366.
  • L. S. Dharmasena, P. Zeephongsekul and B. M. de Silva, Two-stage sequential procedure for nonparametric regression estimation, ANZIAM J., 49, 2008, pp. C699—C716.
  • L. S. Dharmasena, P. Zeephongsekul and B. M. de Silva, Sample size determination for kernel regression estimation using sequential fixed-width confidence bands, IAENG International Journal of Applied Mathematics, 38, 2008, pp. 129—135.
  •  P. Zeephongsekul and L. S. Dharmasena, Predicting software reliability growth using nonparametric regression, Proceedings of 14TH ISSAT International Conference on Reliability and Quality in Design, Florida, USA, August 7-9, 2008, pp. 337—341.
  • L. S. Dharmasena and P. Zeephongsekul, Bootstrap sequential fixed-width confidence interval estimation of process capability index CPM, Proceedings of 14TH ISSAT International Conference on Reliability and Quality in Design, Florida, USA, August 7-9, 2008, pp. 227—238.
  •  L. S. Dharmasena, B. M. de Silva and P. Zeephongsekul, Sequential fixed-width confidence bands for kernel regression estimation, Proceedings of The 2008 IAENG International Conference on Data Mining and Applications, IMECS 2008, 19-21 March 2008, Kowloon, Hong Kong, pp. 432—436.
  • L. S. Dharmasena, B. M. de Silva and P. Zeephongsekul, Fixed-width sequential confidence bands in kernel regression using bootstrap approximation, Proceedings of International Conference on Data Management ICDM, 25-26 February 2008, New Delhi, India, pp. 488—494.
  • L. S. Dharmasena, B. M. de Silva and P. Zeephongsekul, Application of sequential nonparametric confidence bands in finance, Proceedings of 36th Australian Conference of Economists ACE 2007, 24-26 September 2007, Tasmania, Australia, CDROM.

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