Academic Staff - FAS

Dr. A Jahufar

Senior Lecturer Gr.I in Applied Statistics
Dept. of Mathematical Sciences
Faculty of Applied Sciences



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Dr. A Jahufar
Designation Senior Lecturer Gr.I in Applied Statistics
Department / Unit Dept. of Mathematical Sciences
Faculty Faculty of Applied Sciences
Tp +94 67 2279000
Mobile +94 71 4899488
Skype / WhatsApp jahufer20 | #
Email jahufer@seu.ac.lk, jahufer@yahoo.com, ajahufer@gmail.com,
  • Ph.D.(XMU China)
  • M.Phil.(UPDN)
  • M.Sc (UPDN)
  • B.Sc. (Hons.) (UPDN)
  • Head, Acting Dean/FAS
  • Chairman-Sports Advisory Board
  • Board of Director-LEARN UGC
  • Grand Coordinator EDP/UDG HETC Project
  • Subject Coordinator
  • Diploma Coordinator CEDPL
  • Students Counsellor
  • Academic Warden
  • Deputy Proctor
  • Activity Coordinator EDP/UDG HETC Project
  • Coordinator IT IRQUE Project.
Basic Statistics, Inferential Statistics, Sampling Techniques, Mathematical Statistics, Regression Analysis, Survey Design and Sampling Techniques, Multivariate Data Analysis, Censes Data Analysis, Computational Data Analysis, Computational Statistics, Statistical Modeling, Econometrics, Biased Estimators, Analysis of Large and Complex Data sets, Panel Data Models, Index Numbers, Bayesian Statistics, Financial Time Series Models, Theory of Statistics, Applications of Statistics in Business and Social Science.
  • Principal Component Analysis
  • Econometrics
  • Panel Data Models
  • Ridge Type Estimators
  • Multivariate Statistics
  • Business Statistics and Time Series Models.
  • Reviewer for Journal of Management, SEUSL.
  • Reviewer for International Journal of Mathematics and Computer Applications Research (JMCAR) USA, UK, Singapore, Qatar and India
  • Editorial board member for Open Journal Statistics USA
Jahufer, A. (2015). Identifying Anomalous Observation in Modified Ridge Regression Estimator and Liu Estimator Using Global and Local Influential Methods. Published by: Study Circle, Addalaichenai. ISBN: 978 955 42432 0 0
  • Jahufer, A. (2015). Are there any Relationship between Demographic Factors and Job Satisfaction of Government School Teachers? : Case Study Kalmunai Educational Zone in Sri Lanka. International Journal of Business and Management Research (Paper Accepted). USA
  • Jahufer, A., (2015). Choosing the Best Performing GARCH Model for Sri Lanka Stock Market by Non-Parametric Specification Test. Journal of Data Science. (Paper Accepted). Taipei - Taiwan.
  • Jahufer, A., (2015). Determinants of Job Satisfaction among Government and Private Bank Employees in Sri Lanka (Case Study: Ampara Region). International Journal of Management and Business Research. 5(2), pp. 159-168, (Spring-2015), Iran.
  • Jahufer, A., (2014). Identifying Unusual Observations in Ridge Regression Linear Model Using Box-Cox Power Transformation Technique, Open Journal of Statistics, Vol. 4, pp. 19-26, USA.
  • Jahufer, A., and Sarjoon, M.H.M. (2014). Analyzing the Impact of Intrinsic Job Satisfaction of Government School Teachers Special Reference to Kalmunai Educational Zone, Sri Lnaka, Journal of Management, (Paper Accepted).
  • Jahufer, A., and Mohammed Irfan S.S. (2014). Contribution of Macroeconomic Factors on the Stock Market Performance in Sri Lanka. Journal of Management, (Paper Accepted).
  • Jahufer, A., and Rifkhan Ahamed, M.I. (2014). Relationship of Demographic Factors to Ability Utilization of Job Satisfaction of Government and Private Bank Employees in Ampara Region - Sri Lanka, Journal of Management, (Paper Accepted).
  • Jahufer, A., (2013). Detecting Global Influential Observations in Liu Regression Model. Open Journal of Statistics, Vol. 3, pp. 5-11, USA.
  • Jahufer, A., and Jianbao, C., (2012). Identifying Local Influential Observations in Liu Estimator. Journal of Metrika, Vol. 75, 3, pp. 425-438. (SCI - Journal) - Springer
  • Jahufer, A., and Jianbao, C., (2011). Measuring Local Influential Observations in Modified Ridge Regression. Journal of Data Science, Vol.9, 3, pp. 359-372. (ISSN: 1680-743X) Taipei - Taiwan.
  • Jahufer, A., (2011). Collinearity Affects and It's Analysis in Data. Journal of Management, Vol. VII, No.1, pp. 101-113. (ISSN 1391-8230)
  • Jahufer, A., and Jianbao, C., (2009). Assessing Global Influential Observations in Modified Ridge Regression. Journal of Statistics and Probability Letters, Vol. 79, 4, pp. 513-518. (ISSN: 0167-7152) (SCI - Journal) - Elsevier
  • Jianbao, C., and Jahufer, A., (2009). Assessment of Anomalous Observations in Liu Estimator. Journal of Management. Vol. 5, No.1,pp. 41-49. (ISSN 1391-8230)
  • Jahufer, A., and Jianbao, C., (2008). Identifying Local Influence in Modified Ridge Regression Using Cook's Method. Sri Lankan Journal of Applied Statistics, Vol. 9, 93-108. (ISSN 1391-4987)
  • Mustafizur Rahman, M.D., Athikur Rahman, M.D., Jahufer, A., and Jian Ping, Z., (2006). The Volatility Modeling of the Exchange Rate for SAARC Countries. Journal of Management. Vol. 4, No. 1, 68-73. (ISSN 1391-8230)
  • Jahufer, A., (2006). The Effect of 'Z-score' System on Qualification to Universities with Special Reference to Tamil Medium Schools in Ampara District, Sri Lanka. Journal of Management. Vol. 4, No.1, 58-67. (ISSN 1391-8230)
  • Jahufer, A., (2006). The Role of Principal Component Analysis in Growth Performance of Shorea Seedlings at Ratnapura District in Sri Lanka. Journal of Science in Infinitive, Faculty of Applied Sciences, SEUSL, Sri Lanka, Vol. 1, 12-16. (ISSN 1800-167X)
  • Jahufer, A., (2005). Growth Performance of Shorea Seedlings at Kalutara District In Sri Lanka. Journal of Management. Vol. 3, No. 1, 58-62. (ISSN 1391-8230)
  • Jahufer, A., (2004). Contribution of Ridge Type Estimators in Regression Analysis. Journal of Management. Vol. 2, No.1, 62-71. (ISSN 1391-8230)
  • Jahufer, A., and Wijekoon, P., (2003). A Monte Carlo Evaluation of New Biased Estimators in Regression Model. Sri Lankan Journal of Applied Statistics, Vol. 4, 37-46. (ISSN 1391-4987)
  • Sarjoon, M.H.M. and Jahufer, A. (2014). Relationship between Demographic Factors and Job Satisfaction of Government School Teachers - Special Reference to Kalmunai Educational Zone. Annual Science Research Session - 2014, Faculty of Applied Sciences, South Eastern University of Sri Lanka (ISBN: 978-955-627-056-3).
  • Rifkhan Ahamed, M.I. and Jahufer, A. (2014). Determinants of Job Satisfaction among Government and Private Bank Employees in Ampara Region, Sri Lanka. Annual Science Research Session - 2014, Faculty of Applied Sciences, South Eastern University of Sri Lanka (ISBN: 978-955-627-056-3).
  • Jahufer, A., and Sarjoon, M.H.M. (2014). Analyzing the Impact of Extrinsic Job Satisfaction of Government School Teachers - Special Reference to Kalmunai Educational Zone - Sri Lanka. Annual Research Session - 2014, Faculty of Management and Commerce, South Eastern University of Sri Lanka.
  • Jahufer, A., and Rifkhan Ahamed, M.I. (2014). Analyzing the Extrinsic Job Satisfaction of Government and Private Bank Employees in Ampara Region, Sri Lanka. Annual Research Session - 2014, Faculty of Management and Commerce, South Eastern University of Sri Lanka.
  • Jahufer, A., (2012). Box-Box Transformation Technique to Detect Outliers in Ridge Regression. Annual Research Session - 2012, Faculty of Applied Sciences, South Eastern University of Sri Lanka. (ISBN 978-955-627-027-3)
  • Jahufer, A., (2011). Effect of Multicollinearity in Unbiased Regression Model. 1st International Symposium - 2011, PP. 177. South Eastern University of Sri Lanka. (ISBN 978-955-627-002-0)
  • Mohamed Riyas, M.A., and Jahufer, A., (2011). Analyzing the Performance Variation between Competitive and Non-Competitive Examinations among Grade 5 Students. 1st International Symposium - 2011, PP. 178. South Eastern University of Sri Lanka. (ISBN 978-955-627-002-0)
  • Jahufer, A., and Jianbao, C., (2008). Assessing Global Influential Observations in Modified Ridge Regression. International Statistics Conference - 2009. Applied Statistics Association of Sri Lanka (ASASL). (ISBN 1391-4987).
  • Jahufer, A., and Jianbao, C., (2008). Identifying Local Influence in Modified Ridge Regression Using Cook's Method. International Statistics Conference - 2009. Applied Statistics Association of Sri Lanka (ASASL). (ISBN 1391-4987).
  • Jahufer, A., and Jianbao, C., (2008). Analyzing the Problems of Multicollinearity in the Data. International Conference on Social Sciences, Sri Lanka - 2008, PP. 237, University of Kaleniy, Sri Lanka (ISBN 978-955-904-464-2).
  • Jahufer, A., (2003). Selecting the Best Unbiased Estimator. Proceeding of the workshop on "Contemporary Social Issues in Sri Lanka", pp. 147-152. South Eastern University of Sri Lanka.
  • Jahufer, A., and Wijekoon, P., (2003). A Simulation Study on Ridge Type Biased Estimation. Peradeniya University Research Sessions PURSE - 2003, Sri Lanka.
  • Jahufer, A., and Wijekoon, M.W.W.M.P., (2001). Comparison of Ridge Regression Estimation and Ordinary Least Squares Estimation. Proceedings of the annual research sessions - 2001. University of Peradeniya, Sri Lanka.
Scholarship
  • Ph.D Scholarship by Chinese Scholarship Council (CSC), Government of P.R. of China - 2006.


Prize and Award
  • Xiamen University Prize of Best International Student Encouraging Award in year - 2007.
  • Award of Appreciation, Colours Awarding Ceremony - 2012, SEUSL.
  • Life member, Sri Lanka Association of Advancement of Science (SLAAS).
  • Life member, Applied Statistics Association of Sri Lanka (ASASL).
  • Successfully completed Training Programme on "Teaching Methodology" course, at Staff Development Centre, University of Peradeniya, Sri Lanka (2002)
  • Successfully completed a workshop on "Qualitative Analysis of Research Materials using NVivo 9x" conducted by the Higher Education for the Twenty First Century (HETC) Project, Ministry of Higher Education on 23-25 April 2012.
  • Successfully completed a workshop on "Multicast Hands-On" organized by Network Startup Resource Center National Agency for Science and Technology Information, Vietnam and Internet Educational Research laboratory (intERLab) Asian Institute of Technology, Thailand on 12-16 December 2011, at National Agency for Science and Technology Information, Hanoi, Vietnam.
  • Successfully completed a workshop on "Disaster Management" organized by the CIDA Restore Project, at the FAS, SEUSL, held on 28-29 October 2008.
  • Successfully completed a training workshop on "National High Education Management Information System (N-HEMIS)" Conducted by University of Colombo School of Computing, held on 18 July 2008.
  • Successfully completed a training workshop on "Quality Related Issues in Higher Education" organized by the Quality Assurance and Accreditation Council (QAAC), held on 11 October 2008.
  • Successfully completed the short course on "Actuarial Statistics: Mathematical and Computational Applications" organized by Post Graduate Institute of Science (PGIS), University of Peradeniya, held on 29-30 April 2006.
  • Successfully completed a workshop on "Information Technology (IT)" conducted by the Staff Development Centre of SEUSL, held on 27-29 September 2005.
  • Successfully completed a workshop on "Strategic Planning" conducted by SEUSL, held on 18, 20-21 January 2001.
  • Successfully completed a one day session in "Computer Career Guidance Programme" conducted by SEUSL, held on 21 January 2001.
  • Successfully completed a National Workshop on "Scientific Writing" organized by the PGIS and National Science Foundation (NSF), held on 15-17 September 2000.
  • A member of the Faculty Development Committee, Faculty of Management and Commerce, SEUSL, Oluvil, Sri Lanka.
  • A member of the Curriculum Development Committee, Faculty of Management and Commerce, SEUSL, Oluvil, Sri Lanka.
  • A member of the Curriculum Development Committee, Faculty of Arts and Culture, SEUSL, Oluvil, Sri Lanka.
  • A representative of SEUSL, FAS, to the Standing Committee on IT Development, University Grand Commission, Colombo, Sri Lanka.
  • A member of the Curriculum Revision Committee, Faculty of Applied Sciences, SEUSL, Sammanthurai, Sri Lanka.
  • A member of the IRQUE Project Committee, Faculty of Applied Sciences, SEUSL, Sammanthurai, Sri Lanka.
  • Nomination for UGC as Office In-charge of Maintenance of the Information at the University, SEUSL.


Preparation of Syllabus
  • General Degree Statistics Syllabus, Faculty of Arts and Culture, SEUSL.
  • Basic Mathematics, Faculty of Arts and Culture, SEUSL.
  • Business Mathematics and Statistics, Faculty of Management and Commerce, SEUSL.
  • General Degree Statistics Syllabus (External Degree), Faculty of Arts and Culture, SEUSL.
  • General Degree in Applied Statistics, Faculty of Applied Sciences, SEUSL.
  • Special Degree in Applied Statistics, Faculty of Applied Sciences, SEUSL.
  • Post Graduate Diploma in Applied Statistics, Department of Mathematical Sciences, Faculty of Applied Sciences, SEUSL.
  • Master of Business Administration (MBA), Statistics Subject Syllabus, Faculty of Management and Commerce, SEUSL.
  • Master of Science (M.Sc.) in Environmental Sciences, Environmental Statistics Subject Syllabus. Faculty of Applied Sciences, SEUSL.


Preparation of Laboratory Planning and Development
  • Played a major role in establishing new Statistical Laboratory at FAS, SEUSL.
  • Played a major role in establishing two Computer Laboratories under the IRQUE Project, one at Oluvil, Main Campus and the other at FAS, Sammanthurai.
  • Prepared practical guides for Applied Statistics 1st, 2nd and 3rd year students of Applied Sciences, SEUSL.
  • Prepared project report study guides for 3rd year Applied Statistics course, Faculty of Applied Sciences, SEUSL.
  • Prepared case study guides for 3rd year Applied Statistics course, Faculty of Applied Sciences, SEUSL.


Prepared World Bank Project Proposal
  • Prepared Project Proposal on Information Technology under the Institutional Block Grand - I (IBG - I) of the Improving Relevance and Quality of Undergraduate Education (IRQUE) World Bank Project, SEUSL, Sri Lanka (Won the Project - Rs. 9.5 Million).
  • Prepared Project Proposal on Information Technology under the Institutional Block Grand - II (IBG - II) of the Improving Relevance and Quality of Undergraduate Education (IRQUE) World Bank Project, SEUSL, Sri Lanka (Won the Project - Rs. 5 Million).
  • Prepared project Proposal for Improving Relevance and Quality of Undergraduate Education (IRQUE) World Bank Project, Faculty of Applied Sciences, SEUSL, Sri Lanka.
  • Prepared project Proposal for Higher Education for the Twenty First Centaury (HETC)/ University Development Grant (UDG)/ External Degree Programme (EDP), South Eastern University of Sri Lanka (Won the Project - Rs. 15 Million)

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