Postgraduate Institute of Science, University of Peradeniya, Peradeniya, Sri Lanka - Articles

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 1,046 Downloads 2,136 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 740 Downloads 2,128 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 4,336 Downloads 6,002 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 1,574 Downloads 3,030 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 675 Downloads 2,040 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 345 Downloads 1,458 Views Citations
The Influence of Natural Selection and Other Disciplines on Ecological Economic Values (Articles)

Herath Vidyaratne

Theoretical Economics Letters Vol.12 No.5，October 18, 2022

DOI: 10.4236/tel.2022.125073 135 Downloads 804 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 1,278 Downloads 3,124 Views Citations
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 14,405 Downloads 42,230 Views Citations
Value Addition to Waste Material Supported by Removal of Available Phosphate from Simulated Brackish Water—A Low Cost Approach (Articles)

S. Malavipathirana, S. Wimalasiri, N. Priyantha, S. Wickramasooriya, A. Welagedara, G. Renman

Journal of Geoscience and Environment Protection Vol.1 No.2，November 7, 2013

DOI: 10.4236/gep.2013.12002 4,699 Downloads 8,098 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 2,454 Downloads 3,565 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 2,911 Downloads 4,282 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 181 Downloads 853 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 578 Downloads 1,632 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 846 Downloads 3,152 Views Citations
Prolonged Seed Dormancy in Phyllanthus emblica L. Can Be Overturned by Seed Scarification and Gibberellin Pre Treatment (Articles)

S. M. U. P. Mawalagedera, G. A. D. Perera, S. D. S. S. Sooriyapathirana

Open Journal of Forestry Vol.4 No.1，January 8, 2014

DOI: 10.4236/ojf.2014.41007 5,105 Downloads 8,188 Views Citations
Engineering Microbial Biofilms for Improved Productivity of Biochemicals Important in Restoration of Degraded Ecosystems (Articles)

Mahesh Premarathna, Thilini Rathnathilaka, Gamini Seneviratne, Sumedha Madawala

Advances in Bioscience and Biotechnology Vol.13 No.3，March 8, 2022

DOI: 10.4236/abb.2022.133007 243 Downloads 1,081 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 944 Downloads 2,961 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 71 Downloads 511 Views Citations
Use of Smartphones for Rapid Location Tracking in Mega Scale Soil Sampling (Articles)

Harsha K. Kadupitiya, Ranga N. D. Madushan, Upul K. Rathnayake, Rohana Thilakasiri, Samantha B. Dissanayaka, Mojith Ariyaratne, Buddhi Marambe, Mohomad S. Nijamudeen, Dinaratne Sirisena, Lalith Suriyagoda

Open Journal of Applied Sciences Vol.11 No.3，March 12, 2021

DOI: 10.4236/ojapps.2021.113017 745 Downloads 1,903 Views Citations

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