Department of Mathematics & Statistics, Faculty of Science, University of Jaffna, Jaffna, Sri Lanka;Postgraduate Institute of Science, University of Peradeniya, Sri Lanka - Articles

Improvement of the Preliminary Test Estimator When Stochastic Restrictions are Available in Linear Regression Model (Articles)

Sivarajah Arumairajan, Pushpakanthie Wijekoon

Open Journal of Statistics Vol.3 No.4，August 16, 2013

DOI: 10.4236/ojs.2013.34033 14,311 Downloads 42,077 Views Citations
Stochastic Restricted Maximum Likelihood Estimator in Logistic Regression Model (Articles)

Varathan Nagarajah, Pushpakanthie Wijekoon

Open Journal of Statistics Vol.5 No.7，December 30, 2015

DOI: 10.4236/ojs.2015.57082 4,265 Downloads 5,770 Views Citations
On the Restricted Almost Unbiased Ridge Estimator in Logistic Regression (Articles)

Nagarajah Varathan, Pushpakanthie Wijekoon

Open Journal of Statistics Vol.6 No.6，December 8, 2016

DOI: 10.4236/ojs.2016.66087 1,507 Downloads 2,859 Views Citations
Location Based Generalized Akash Distribution: Properties and Applications (Articles)

Ramajeyam Tharshan, Pushpakanthie Wijekoon

Open Journal of Statistics Vol.10 No.2，April 3, 2020

DOI: 10.4236/ojs.2020.102013 612 Downloads 1,830 Views Citations
A Modification of the Quasi Lindley Distribution (Articles)

Ramajeyam Tharshan, Pushpakanthie Wijekoon

Open Journal of Statistics Vol.11 No.3，June 8, 2021

DOI: 10.4236/ojs.2021.113022 292 Downloads 1,285 Views Citations
More on the Preliminary Test Stochastic Restricted Liu Estimator in Linear Regression Model (Articles)

Sivarajah Arumairajan, Pushpakanthie Wijekoon

Open Journal of Statistics Vol.5 No.4，June 29, 2015

DOI: 10.4236/ojs.2015.54035 2,380 Downloads 3,395 Views Citations
Optimal Generalized Biased Estimator in Linear Regression Model (Articles)

Sivarajah Arumairajan, Pushpakanthie Wijekoon

Open Journal of Statistics Vol.5 No.5，August 5, 2015

DOI: 10.4236/ojs.2015.55042 2,853 Downloads 4,146 Views Citations
Variable Selection via Biased Estimators in the Linear Regression Model (Articles)

Manickavasagar Kayanan, Pushpakanthie Wijekoon

Open Journal of Statistics Vol.10 No.1，February 28, 2020

DOI: 10.4236/ojs.2020.101009 637 Downloads 1,809 Views Citations
Performance of Existing Biased Estimators and the Respective Predictors in a Misspecified Linear Regression Model (Articles)

Manickavasagar Kayanan, Pushpakanthie Wijekoon

Open Journal of Statistics Vol.7 No.5，October 31, 2017

DOI: 10.4236/ojs.2017.75062 990 Downloads 1,999 Views Citations
Gastropods Diversity in Thondaimanaru Lagoon (Class: Gastropoda), Northern Province, Sri Lanka (Articles)

Amarasinghe Arachchige Tiruni Nilundika Amarasinghe, Thampoe Eswaramohan, Raji Gnaneswaran

Journal of Geoscience and Environment Protection Vol.9 No.3，March 12, 2021

DOI: 10.4236/gep.2021.93002 438 Downloads 1,468 Views Citations
Statistical Analysis of Variables Influencing Type of Birth in Sri Lanka: A Logistic Regression Approach (Articles)

H. P. R. R. Pathirana, N. Varathan

Open Journal of Statistics Vol.8 No.2，April 13, 2018

DOI: 10.4236/ojs.2018.82020 971 Downloads 2,628 Views Citations
Laplace Decomposition Method for Time-Fractional Fornberg-Whitham Type Equations (Articles)

Thilagarajah Mathanaranjan, Dayalini Vijayakumar

Journal of Applied Mathematics and Physics Vol.9 No.2，February 25, 2021

DOI: 10.4236/jamp.2021.92019 462 Downloads 1,262 Views Citations
COVID-19 Outbreak and Urban Green Space, Food Security, and Quality of Life: Case of Urban Home Gardens in Kandy, Sri Lanka (Articles)

Lalitha Dissanayake, Sathya Dilini

Open Journal of Social Sciences Vol.8 No.9，September 21, 2020

DOI: 10.4236/jss.2020.89013 1,204 Downloads 2,835 Views Citations
Antifungal Activity and Qualitative Phytochemical Analysis of Some Medicinal Plants in Jaffna (Sri Lanka) (Articles)

Tharmarajah Manoranjan, Reeka Thangarajah, A. C. Thavaranjit

International Journal of Organic Chemistry Vol.8 No.4，October 25, 2018

DOI: 10.4236/ijoc.2018.84025 1,164 Downloads 3,280 Views Citations
Geogenic Pollution of Groundwater Quality in Gampaha District, Sri Lanka: A Case Study of Groundwater Acidification from Rathupaswala (Articles)

Ishara Pathirage, Anushka Upamali Rajapaksha, S. P. Sucharitha Bandara, G. W. A. Rohan Fernando

International Journal of Geosciences Vol.15 No.8，August 29, 2024

DOI: 10.4236/ijg.2024.158034 18 Downloads 81 Views Citations
Aqueous Lead Removal under Optimized Conditions Using Phosphoric Acid Activated Coconut Coir Activated Carbon (Articles)

Vithushana Thangarajah, W. M. Yalini Hansika Wijesundara, A. H. M. Lihini Nilma Kumari, M. G. Gayan Sasanka Nirodha Thilakarathna

American Journal of Analytical Chemistry Vol.11 No.12，December 31, 2020

DOI: 10.4236/ajac.2020.1112031 809 Downloads 2,465 Views Citations
An Aggregate Production Plan for a Biscuit Manufacturing Plant Using Integer Linear Programming (Articles)

Dilishiya Kalpani De Silva, Wasantha Bandara Daundasekara

Open Access Library Journal Vol.6 No.11，November 28, 2019

DOI: 10.4236/oalib.1105743 786 Downloads 2,825 Views Citations
Cointegration Based Regression to Analyse Linkage between Share Price Index and Macroeconomic Variables: Evidence from Colombo Stock Exchange (Articles)

Gayani Thalagoda, Kusal Rathnayake, Sachith Abeysundara

Open Access Library Journal Vol.5 No.11，November 30, 2018

DOI: 10.4236/oalib.1104955 549 Downloads 1,454 Views Citations
Preparation of Antimicrobial Iron Oxide Nanostructures from Galvanizing Effluent (Articles)

Rajapakshe Babilage Sanjitha Dilan Rajapakshe, Gonapala Deniyage Madhusha Chathurangi Gonapaladeniya, Charith Anuruddha Thennakoon, Prabath Nilan Gunasekara, Nirosh Siriwardene, Sudath Annasiwatte, Sayuri Sammanani Niyangoda, Rajapakse Mudiyanselage Gamini Rajapakse

World Journal of Nano Science and Engineering Vol.12 No.1，March 31, 2022

DOI: 10.4236/wjnse.2022.121001 148 Downloads 722 Views Citations
Examine the Reliability of Econometrics Software: An Empirical Comparison of Time Series Modelling (Articles)

Wickramasinghage M. A. Wickramasinghe, Parana P. A. W. Athukorala, Siththara G. J. Senarathne, Yapa P. R. D. Yapa

Open Journal of Statistics Vol.13 No.1，February 22, 2023

DOI: 10.4236/ojs.2023.131003 154 Downloads 1,109 Views Citations

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