Department of Mathematics and Statistics at the Faculty of Science
University of Calgary
Rohana Ambagaspitiya
- Associate Professor
- Statistics and Actuarial Science
Research Interests
Currently Teaching
Not currently teaching any courses.
Publications
Conference Proceedings
Journal Paper
- Ambagaspitiya, Rohana. Aggregate survival probability of a portfolio with dependent subportfolios 32.3 2003. 431-443.
- Ambagaspitiya, Rohana. On the distributions of two classes of correlated aggregate claims 24.3 1999. 301-308.
- Ambagaspitiya, Rohana. Compound bivariate {L}agrangian {P}oisson distributions 23.1 1998. 21-31.
- Balakrishnan, N. and Ambagaspitiya, Rohana. Classical classification procedure based on {$k$} dichotomous and one continuous variables 2.1 1995. 1-11.
- Ambagaspitiya, Rohana. A family of discrete distributions 16.2 1995. 107-127.
- Balakrishnan, N. and Ambagaspitiya, Rohana. A robust method of estimation based on the {MML} estimators for a simple linear regression model 30.2 1992. 267-279.
- Tiku, M. L., Balakrishnan, N. and Ambagaspitiya, Rohana. Error rates of a robust classification procedure based on dichotomous and continuous random variables 18.2 1989. 571-588.
- Balakrishnan, N. and Ambagaspitiya, Rohana. An empirical power comparison of three tests of exponentiality under mixture- and outlier-models 31.1 1989. 49-66.
- Balakrishnan, N. and Ambagaspitiya, Rohana. Relationships among moments of order statistics in samples from two related outlier models and some applications 17.7 1988. 2327-2341.
Degrees
- Msc - Statistics - McMaster University
- PhD - Mathematical Statistics - McMaster University
- Bsc (First Class Honours) - Mathematics - University of Kelaniya
Students
Ph.D. Students:
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