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» Rohana Ambagaspitiya
Rohana Ambagaspitiya
Associate Professor
Statistics and Actuarial Science
+1 (403) 220-7679
Mathematical Sciences 556
ambagasp@ucalgary.ca
Website:
http://math.ucalgary.ca/~ambagasp
Research Interests
Renewal Risk Processes
Currently Teaching
W2021 - ACSC 527 - Life Contingencies III
Details
LEC 1
MWF 11:00 - 11:50
WEB BASED
Outline
W2021 - ACSC 539 - Special Topics in Actuarial Science
Details
LEC 1
MWF 14:00 - 14:50
WEB BASED
W2021 - ACSC 627 - Advanced Life Contingencies
Details
LEC 1
MWF 11:00 - 11:50
WEB BASED
W2021 - ACSC 639 - Conference Course in Actuarial Modelling
Details
LEC 1
MWF 14:00 - 14:50
WEB BASED
view past courses
Publications
Journal Article
Ambagaspitiya, Rohana
.
"
Aggregate survival probability of a portfolio with dependent subportfolios
"
. Insurance: Mathematics \& Economics
32.3 (2003): 431-443. Print.
Ambagaspitiya, Rohana
.
"
On the distributions of two classes of correlated aggregate claims
"
. Insurance: Mathematics \& Economics
24.3 (1999): 301-308. Print.
Ambagaspitiya, Rohana
.
"
Compound bivariate {L}agrangian {P}oisson distributions
"
. Insurance: Mathematics \& Economics
23.1 (1998): 21-31. Print.
Balakrishnan, N. and Ambagaspitiya, Rohana
.
"
Classical classification procedure based on {$k$} dichotomous and one continuous variables
"
. Parisankhyan Samikkha. An International Journal of Statistics
2.1 (1995): 1-11. Print.
Ambagaspitiya, Rohana
.
"
A family of discrete distributions
"
. Insurance: Mathematics \& Economics
16.2 (1995): 107-127. Print.
Balakrishnan, N. and Ambagaspitiya, Rohana
.
"
A robust method of estimation based on the {MML} estimators for a simple linear regression model
"
.
Journal of Statistical Planning and Inference
30.2 (1992): 267-279. Print.
Tiku, M. L., Balakrishnan, N. and Ambagaspitiya, Rohana
.
"
Error rates of a robust classification procedure based on dichotomous and continuous random variables
"
. Communications in Statistics. Simulation and Computation
18.2 (1989): 571-588. Print.
Balakrishnan, N. and Ambagaspitiya, Rohana
.
"
An empirical power comparison of three tests of exponentiality under mixture- and outlier-models
"
. Biometrical Journal. Journal of Mathematical Methods in Biosciences
31.1 (1989): 49-66. Print.
Balakrishnan, N. and Ambagaspitiya, Rohana
.
"
Relationships among moments of order statistics in samples from two related outlier models and some applications
"
. Communications in Statistics. Theory and Methods
17.7 (1988): 2327-2341. Print.
Preprint
Ambagaspitiya, Rohana
.
"
On the aggregate survival probability of a portfolio with dependent sub-portifolios.
"
.
, (September 2003). Print.
Courses
Supervised Students
Degrees
MSc - Statistics
McMaster University
, 2012
PhD - Mathematical Statistics
McMaster University
, 2012
BSc (Hons) first class honours - Mathematics
University of Kelaniya
, 2012
Students
Charles Sam
2014 to Present
MohanaGowri Arumugam
2014 to Present
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