‪Pushpakanthie Wijekoon, P. Wijekoon, Pushpa Wijekoon‬

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Ramajeyam TharshanLecturer in Statistics, Department of Mathematics and Statistics, University of JaffnaVerified email at univ.jfn.ac.lk
Sivarajah ArumairajanSenior Lecturer (Gr.l) in Statistics, Department of Mathematics and Statistics, University of JaffnaVerified email at jfn.ac.lk
Dr. M. KayananSenior Lecturer, Department of Physical Science, University of Vavuniya, Vavuniya, Sri LankaVerified email at vau.ac.lk
Roshan Dharshana YapaDepartment of Statistics & Computer Science, Faculty of Science, University of Peradeniya, Sri LankaVerified email at pdn.ac.lk
Jayasundera BandaraNational Institute of Fundamental StudiesVerified email at nifs.ac.lk
Rohan WeerasooriyaResearch ProfessorVerified email at nifs.ac.lk
Lakshika S. NawarathnaDepartment of Statistics & Computer Science, University of PeradeniyaVerified email at pdn.ac.lk
Manoj ChandraboseCentre for Urban Transitions, Swinburne University of TechnologyVerified email at swin.edu.au
Madhulika DubeVerified email at mdurohtak.ac.in
Jagath Gunatilake, AAJK Gunatilake,...Department of GeologyVerified email at pdn.ac.lk
Dr Kalpani Ishara DuwalageResearch fellow, Queensland University of technologyVerified email at qut.edu.au
Shanmugasundaram WijeyamohanSenior Lecturer, University of VavuniyaVerified email at missouristate.edu
ISURU PANDUKA RATNAYAKEAssistant ProfessorVerified email at kumc.edu
SGJ SenarathneDepartment of Statistics and Computer Science, University of PeradeniyaVerified email at sci.pdn.ac.lk
Mohomed AbrajCurtin UniversityVerified email at curtin.edu.au
Shamali KumariLecturer(Probationary) in Statistics, The Open University of Sri LankaVerified email at student.rmit.edu.au
Prof. (Dr.) Aboobacker JahuferDept. of Mathematical Sciences, Faculty of Applied Sciences, South Eastern University of Sri LankaVerified email at seu.ac.lk
KANK KarunarathnaEastern university, Sri LankaVerified email at esn.ac.lk
Amalan mahendranPhD studentVerified email at qut.edu.au
lakmali smmDepartment of Computational Mathematics, Faculty of Computing,Kotelawala Defence UniversityVerified email at kdu.ac.lk

Pushpakanthie Wijekoon, P. Wijekoon, Pushpa Wijekoon

Retired Senior Professor, Department of Statistics & Computer Science, University of Peradeniya

Verified email at sci.pdn.ac.lk - Homepage

Linear Models Multivariate techniques Actuarial Statistics Theoretical Statistics


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Drinking water quality and chronic kidney disease of unknown etiology (CKDu): synergic effects of fluoride, cadmium and hardness of water HMS Wasana, D Aluthpatabendi, W Kularatne, P Wijekoon, ... Environmental geochemistry and health 38, 157-168, 2016	165	2016
Improvement of the Liu estimator in linear regression model MH Hubert, P Wijekoon Statistical Papers 47 (3), 471-479, 2006	90	2006
Stochastic restricted maximum likelihood estimator in logistic regression model V Nagarajah, P Wijekoon Open Journal of Statistics 5 (7), 837-851, 2015	27	2015
Logistic Liu Estimator under stochastic linear restrictions N Varathan, P Wijekoon Statistical Papers 60, 945-962, 2019	24	2019
Ridge estimator in logistic regression under stochastic linear restrictions N Varathan, P Wijekoon British Journal of Mathematics & Computer Science 15 (3), 1, 2016	19	2016
Automatic breast boundary segmentation of mammograms RR Nanayakkara, Y Yapa, PB Hevawithana, P Wijekoon International Journal of Soft Computing and Engineering 5 (1), 97-101, 2015	15	2015
The McDonald generalized beta-binomial distribution: A new binomial mixture distribution and simulation based comparison with its nested distributions in handling overdispersion C Manoj, P Wijekoon, RD Yapa International journal of statistics and probability 2 (2), 24, 2013	14	2013
Improved estimation of the mean in one-parameter exponential families with known coefficient of variation E Wencheko, P Wijekoon Statistical Papers 46 (1), 101-115, 2005	14	2005
Optimal generalized logistic estimator N Varathan, P Wijekoon Communications in Statistics-Theory and Methods 47 (2), 463-474, 2018	13	2018
Mean square error matrix superiority of estimators under linear restrictions and misspecification P Wijekoon, G Trenkler Economics Letters 30 (2), 141-149, 1989	13	1989
Stein-rule estimator under inclusion of superfluous variables in linear regression models M Dube, VK Srivastava, H Toutenburg, P Wijekoon Communications in Statistics-Theory and Methods 20 (7), 2009-2022, 1991	12	1991
Liu-Type logistic estimator under stochastic linear restrictions N Varathan, P Wijekoon Ceylon Journal of Science 47 (1), 21-34, 2018	11	2018
Landslide susceptibility assessment using statistical models: A case study in Badulla district, Sri Lanka G Jayasinghe, P Wijekoon, J Gunatilake Ceylon Journal of Science 46 (4), 27-41, 2017	11	2017
A new mixed Poisson distribution for over-dispersed count data: theory and applications R Tharshan, P Wijekoon Reliability: Theory & Applications 17 (1 (67)), 33-51, 2022	10	2022
Temporal population variability in local forest communities has mixed effects on tree species richness across a latitudinal gradient Ecology Letters 23, 160-171, 2020	10	2020
Time Series Analysis for Modeling and Forecasting International Tourist Arrivals in Sri Lanka DK Ishara, P Wijekoon British Journal of Mathematics & Computer Science 20 (5), 1-9, 2017	10	2017
A modification of the Quasi Lindley distribution R Tharshan, P Wijekoon Open Journal of Statistics 11 (3), 369-392, 2021	9	2021
On the restricted almost unbiased ridge estimator in logistic regression N Varathan, P Wijekoon Open Journal of Statistics 6 (06), 1076, 2016	9	2016
Improvement of Ridge Estimator When Stochastic Restrictions Are Available in the Linear Regression Model S Arumairajan, P Wijekoon Journal of Statistical and Econometric Methods 3 (1), 35-48, 2014	9	2014
Mean square error matrix superiority of the mixed regression estimator under misspecification G Trenkler, P Wijekoon Statistica 49 (1), 65-71, 1989	9	1989

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