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Name

Prof. Mbe Egom Nja

Department

Statistics

Designation

Professor

Email

[email protected]

About Prof. Mbe Egom Nja

Prof. Mbey E. Nja, Fellow, Royal Statistical Society, London, a Nigerian citizen from Cross River State holds the following academic qualifications. He is a member, Academic Board, National Mathematical Centre, Abuja. He holds a B.Sc. (Maths, Jos, 1986), M.Sc. (Stat, Calabar, 1999), Ph.D. (Stat, Ibadan, 2007) and MBA (Calabar, 1993) degrees. He is a member, Nigerian Statistical Association, member International Biometric Society and ex 2nd Vice President, Nigeria Statistical Society. Prof. Nja participated in the UNESCO Bamako Cluster Office 4th International Conference on Quality Assurance in Higher Education in Africa, Bamako, Mali (2010) where he presented the paper “Towards Improved Teaching Effectiveness in Nigerian Public Universities”: Instrument Design and Validation. He has also presented conference papers in Ghana (2007), UK (2007), Kenya (2008), Brazil (2010), USA (2013) and USA (2014), besides papers presented in Nigeria. He has accessed several grants/scholarships to include J. H. West grant (United Kingdom) to present a paper at the 2007 Conference of the Royal Statistical Society, London, Jolly Phonics (United Kingdom) research grant (2015), Oregon Health and Science University grant (2014) to present an invited lecture titled statistical training in Nigeria. TeTFund Conference grant (2014) to present a paper at the 3rd OMICS Biometrics and Biostatistics Conference in Maryland, USA, TeTFund Conference grant (2010) to attend the 2010 Conference of the International Biometric Society in Brazil, Cross River State Government scholarship award for Ph.D. in Mathematics, Russia (2004) (not taken), Cross River State Government Distinction scholarship for Secondary School Education (1973-1978). Prof. Nja has thirty-five (35) publications in both international and local reputable peer reviewed journals. He has visited more than fifteen countries and is currently participating in the UK-based Jolly Phonics Reading and Writing Skill Research of the Universal Learning Solutions. In 2013, he was co-author of the lead paper of the annual conference of the Nigeria Statistical Association. Prof. Nja has successfully supervised and co-supervised four Ph.Ds and four M.Scs theses, and several B.Sc. projects. He is currently supervising two Ph.D., three M.Sc. and four B.Sc. students. He has examined several Ph.D. theses as external examiner in several Universities, and has served as Chairman/Member in several NUC (National Universities Commission) accreditation teams covering almost all the six geopolitical zones in the country. In his university teaching and administrative experience, he held several positions including Member, Governing Council, Cross River University of Technology, Calabar (2007-2012); Member, Governing Council, Federal University Lafia (2015); Dean (Science) and Chairman, Committee of Deans, Cross River University of Technology, Calabar, (2007-2009); Chairman, Senate Results Vetting Committee, Cross River University of Technology, Calabar (2009-2012) and Chairman, Senate Results Vetting Committee, Federal University Lafia (2013-2016). Others are Director of Academic Planning, Cross River University of Technology, Calabar (2009-2012), Head of Department of Mathematics, Cross River University of Technology, Calabar (2002-2007) and Head of Department of Mathematics, Federal University Lafia (2012-2016). Outside the Universities, he has served as Member, Cross River State Science and Technical Education Board (1997-2000). Director, Institute of Learning and Skill Development Ltd/Gte, United Kingdom (2015) and Academic Team Leader, Universal Learning Solutions (2015). Furthermore, he served as Member, Award Funds Committee, International Biometrics Society (2010-2012), Assistant Secretary, Committee of Directors of Academic Planning of Nigerian Universities (2011-2012), Editor, Cross River State Government Books on Further Mathematics (Books 1, 2 & 3, 2008), State Consultant, Cross River State Education Sector 10-Year Strategic Plan (2010) and so on. He is presently serving as Academic Board Member, National Mathematical Centre, Abuja, His area of specialization is Experimental Design where he has researched extensively on Generalized Linear Models and in the process designed the general nth-Order Jackknife Ridge Estimator for Linear Regression Models. Prof. Nja is also currently carrying out research in the following areas (i) Log Logistics Regression with Censored Data using Pseudo Observations (ii) A statistical Analysis of the Jolly Phonics and the Conventional Teaching Methods for Reading and Writing Skills in Nigerian Primary School system. A two-time Jerusalem Pilgrim, Prof. Nja has visited the Vatican City, and is married with children.

S/N Qualification School Atttended Started Finished
First School Leaving CertificateGovernment Primary School, Ugep, Yakurr Local Government Area, Cross River State, Nigeria19661972
WASCGovernment Secondary School, Ikom, Cross River State, Nigeria19731978
B.Sc. MathematicsUniversity of Jos, Jos, Nigeria19811986
MBA University of Calabar, Calabar, Calabar, Cross River State, Nigeria19901993
M.Sc. StatisticsUniversity of Calabar, Calabar, Cross River State, Nigeria19961999
PhD StatisticsUniversity of Ibadan, Ibadan, Nigeria20022007
S/N Publication
Ogbonna, E. N., Nja, M. E., & Onwukwe, C. (2016). A Simulation Study of the Performance of Fisher’s Linear Discriminant Analysis with Normal and Non-normal data. Academic Journal of Science, 06(1), 441-446.
Nja, M. E., Nduka, E. C., & Ogoke, P. U. (2015). Designing an Offset Poisson-Gamma Mixture Regression Model. Fulafia Journal of Science and Technology, 1(1), 77-81.
Ogbonna, E. N., Nja, M. E., & Onwukwe, C. E. (2015). A Moving Average Modification of Fisher’s Linear Discriminant Classifier. Academic Journal of Science, 4(3), 227-247.
Ogoke, U.P., Nduka, E. C., & Nja, M. E. (2015). Bipolar Disorder Investigation Using Modified Logistic Ridge Estimator. IORS Journal of Mathematics, 11(1/3), 12-15.
Nja, M. E., Nduka, E. C., & Ogoke, U.P (2014). A Modified Iterative Weighted Least Squares Method. British Journal of Mathematics and Comuter Science, 4(6), 849 – 859.
Ogoke, U.P., Nduka, E. C., & Nja, M. E. (2013). The Logistic Regression Model with a Modified Weight Function in Survival Analysis. Journal of Mathematical Theory and Modelling, 3(8), 12 – 17.
Ogoke, U. P, Nduka, E. C., & Nja, M. E (2013). A New Logistic Ridge Regression Estimator Using Exponentiated Response Function. Journal of Statistical and Econometric Method, 2(4), 161 – 171.
Nja, M. E. (2013). A New Estimation Procedure for Generalize Linear Regression Designs With Near Dependencies. Journal of Statistical and Econometric Methods, 2(3), 7 – 15.
Nja, M. E. (2013). A Proposed n-th Order Jacknife Ridge Estimator for Linear Regression Designs. Journal of Mathematical Theory and Modeling, 3(8), 4 – 11.
Effanga, E. O., Lipcsey Z., Nja, M. E. (2012). On Boundedness Conditions for the Set of Feasible Points of Systems of Linear Inequalities. Journal of Mathematics Research, 4(2), 57 – 63.
Effanga, E. O., Lipcsey, Z., & Nja, M. E. (2012). Modified Simplex Spliting Algorithm for Finding Feasible Solutions of Systems of Linear Inequalities. Journal of Mathematics Research, 4(1), 116 – 120.
Mbachu, H. I., Nduka, E. C., & Nja, M. E. (2012): Designing A pseudo R Squared Goodness of Fit Measure in Generalized Linear Models. Journal of Mathematics Research, 4(2), 148 – 154.
Archibong, I. A., & Nja, M. E. (2011). Towards Improved Teaching Effectiveness in Nigerian Public Universities: Instrument Design and Validation. Higher Education Studies, Canadian Centre of Science and Education, 1(2), 78 – 91.
Nja, M. E., Enang, E. I., Chukwu, A. U., & Udomboso (2011). Alternative Goodness- of-fit Test in Logistic Regression Models. Journal of Modern Mathematics and Statistics, 5(2), 43 – 46.
Nja, M. E., & Bamiduro, T.A. (2010). A Modification of the Restricted Maximum Likelihood Method in Generalized Linear Models with Random Effects. Global Journal of Mathematical Sciences, 9(1), 67 – 71
Adekanmbi, D. B., Nja, M. E., Obisesan, K.O., Onivide, O. R. (2010). Methodological Aspects In Research on Nuptiality Pattern Based on Census Data: A Case Study of Single Female Population in Nigeria. Journal of Mathematical Sciences, 21(4), 423-441.
Nja, M. E. (2009). Probit Regression in Prediction Analysis. Global Journal of Mathematical Sciences, 15(3 & 4), 449 – 452.
Nja, M. E. (2009). Confidence Interval Approximation of Treatment Variance in Random Effects Models. Global Journal of Pure and Applied Sciences, 15(2), 241 – 245.
Nja, M. E., & Udofia, G. A. (2009). Formulation of the Mixed Integer Goal Programming Models for Flour Producing Companies. Asian Journal of Mathematics and Statistics, 2(3), 54 – 64
Nja, M. E., & Onwukwe, C. E. (2009). Variance Stabilization in General Linear Models by Guassian Kennel Modification. Journal of Mathematical Sciences, 20(1), 1 – 10
Nwaosu, S. C., Nja, M. E., & Chukwu, A. U. (2009). Logistic Regression Method for Retrospective Case Study of Birth Complications in Bauchi Hospital, Nigeria. Journal of Mathematical Sciences, 20(4), 331 – 337.
Nja, M. E., & Adekanmbi, D. B. (2009). The Unified Regression Model. Journal of Mathematical Sciences, 20(4), 375 - 382.
Nja, M. E. (2009). On the Equivalence of Two Quasi-Newton Schemes in Generalized Linear Models. Journal of Modern Mathematics and Statistics, 3(1), 25 – 28.
Nja, M. E., & Alozie, Y. (2009). Assessment of Dioscorea Dumentorum as Alternative Raw Material for Weaning Formula Using Analysis of Variance. Journal of Applied Sciences, 9(19), 3602 – 3605.
Nja, M. E. Eni, D,. Atsu, J.U., Udo, M. O., & Igobi, D. K. (2008).Further Mathematics for Senior Technical Colleges, Book 2 (for Cross River State Govt.). ISBN: 978-978-8411-32-1, Tanus Books, Nigeria Ltd.
Nja, M. E. Eni, D. Atsu, J.U, Udo, M. O., & Igobi, D. K (2008). Further Mathematics for Senior Technical Colleges, Book 3 (for Cross River State Govt.). ISBN: 978-978-8411-31-4, Tanus Books, Nigeria Ltd.
Nja M. E. (2008). Performance Assessment of Estimation Methods in Generalized Linear Models. Global Journal of Mathematical Sciences, 7(2), 115-124.
Nja, M. E. (2007). The Information Matrix and Parameter Estimation in Generalized Linear Mixed Models. Edited Conference proceedings: National Conference of the Mathematical Association of Nigeria (MAN). Asaba, Nigeria, (Published conference proceedings). PP. 68 – 75.
Nja, M. E. (2007). Orthogonal Polynomial Regression, A Finite Difference Approach. Global Journal of Mathematical Sciences, 6(2), 115 – 118.
Nja, M. E. (2007). On the Relationship Between the Ordinary Least Squares and the Iterative Weighted Least Squares Methods in Generalized Linear Models. Journal of the Mathematical Association of Nigeria, 34(2), 442-446.
Adekanmbi, D. B., Obisesan, K.O., & Nja, M. E. (2006). Implications of Number of Live- births on Contraceptive Continuation Model. Journal of Applied Sciences, 9(1), 6232 – 6238.
Nja, M. E., & Esu, E. O. (2003). Factorial Moment – generating Function and the Pascal Distribution. Global Journal of Mathematical Sciences, 2(1), 51-56.
Nja, M. E. (2003). Mathematics for Universities and Polytechnics (Foundation Course). Exclusive Press Calabar. ISBN 978-34075-1-1.
Nja, M. E. (2003). Integrated General Mathematics. Ushie Printing and Publishing Company Ltd., Nigeria. ISBN: 978-35089-5-4. Indexed in National Library Congress of Nigeria.
Nja, M. E. (1999). Relativization of Discrete Topologies. Nigerian Education Journal, 2(2), 13 – 18

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