Applied Statistics and Data Mining

Applied Statistics and Data Mining

Main research focus and other areas of research interest of the RG: Statistical Modelling/Big data analysis and its application to Stochastic/ Time series Analysis, Design and Analysis of Experiment, Bayesian Inference and Operations research.

Title of most recent research project: Combined Estimators for Generalized Multiple Linear  Models

 

Other current or completed research projects: Circular Time Series Modeling; Jacknife Estimator for regression models; Combined shrinkage ridge estimator for multiple linear models; Estimation in Time series models with skewed error distribution.

Name of the Coordinator: Professor Fidelis Ifeanyi Ugwuowo

UNN email address of the RG: appliedstat@unn.edu.ng

UNN email address of the coordinator: fidelis.ugwuowo@unn.edu.ng

Current webpage of the RG:

Phone number of the RG: 07035089574

Phone number of the coordinator: 07035089574

Base Faculty/Institute/Center of the RG: Physical Sciences

Department of the Coordinator: Statistics

 

Headshot of the coordinator:

List and brief profiles of members with their UNN website url to their detailed CVs:

  • Professor Fidelis Ifeanyi Ugwuowo

UGWUOWO, Fidelis Ifeanyi is a Professor of Statistics in the Faculty of Physical Sciences, University of Nigeria, Nsukka. He joined the services of the University as assistant lecturer in April 1992. He was sponsored by World Bank to University of Ulster Coleraine, Northern Ireland, UK to conduct his Ph.D. research, which was awarded by his University in 1996. He has been a visiting scientist at Indian Statistical Institute Kolkata, India under the auspices of TWAS-UNESCO Associateship scheme, which was awarded to him for 2000-2003 and later renewed for 2003-2006. He was the Dean of Faculty of Physical Sciences UNN from 2016-2018 and a three time Head of Department of Statistics. His recent research interests are mainly in the areas of statistical modelling and Stochastic and Time Series analysis. He has successfully supervised  8 Ph.Ds and currently supervising 3 Ph.Ds. He was appointed a full Professor in 2010. He has taught full-time for 31 years.

CV LINK: https://docs.google.com/document/d/1wYc2-BK7pKQcJR5i2FX9wANxNxzHjBAsGdfENBiPu2Q/edit?usp=sharing

  • Dr Tobias E. Ugah: He received his M.Sc. and Ph.D. degree in Statistical inference and Stochastic Processes, respectively, from Department of Statistics, Faculty of Physical Sciences, University of Nigeria, Nsukka, Nigeria in 2002 and 2014, respectively. He is a lecturer in the Department of Statistics, Faculty of Physical Sciences, University of Nigeria, Nsukka, Nigeria. He is the author of one book and more than 10 publications. His research interests include Regression Diagnostics, Stochastic processes and Statistical Inference.

E-mail: tobias.ugah@unn.edu.ng; ORCID iD: 0000-0003-0223-1032

LINK TO MY C.V.

https://docs.google.com/document/d/1zKIBiCjiKt0IEq9JXM3y8iFpzSg8hWlpQtQJnGK1OC4/edit

  • Eze Chinonso Michael: He has B.Sc, M.Sc and Ph.D in Statistics, all from University of Nigeria Nsukka. He joined the services of the University in the year 2016 as a graduate assistant, and currently he is in the cadre of Lecturer I. He was a PhD student on visit from January – October, 2020 under Intra-Africa Academic Mobility AFRICOM Project at University of Yaounde 1, Cameroon. He got his doctorate degree in the year 2023. His research interest cuts across applied time series analysis, Operations research and Statistical machine learning of complex system.

CV Link: https://docs.google.com/document/d/1ZsbYmAwrM_gXn_W9QjI-BmurhU4spjMCZ_312LV4CH8/edit?usp=sharing

  • Arum, Kingsley Chinedu: A Lecturer I in the Department of Statistics, University of Nigeria, Nsukka (UNN). He obtained a B.Sc. certificate in Statistics in 2011 in UNN as the best graduating student (BGS) of the Department of Statistics in 2011 session, M.Sc. certificate in 2016 and currently a PhD student in the Department of Statistics, UNN. His research interests include generalized linear models, stochastic processes, time series modeling, and data science.

Scopus ID:    https://www.scopus.com/authid/detail.uri?authorId=57289497700

ResearchGate: https://www.researchgate.net/profile/Kingsley-Arum-2

Google Scholar:  https://scholar.google.com/citations?user=mO0OZ1oAAAAJ&hl=en&oi=ao

ORCiD:  https://orcid.org/0000-0001-5754-5536

Publon ID:  https://publons.com/researcher/4860761/kingsley-arum/

Web of Science ID:  ABG-3535-2021

CV: https://docs.google.com/document/d/1x5MQjwmTV7BiKOhwN0APuKVuF8ejW4asZ1WRyTCIgeA/edit

  • Oranye Henrietta Ebele: A lecturer in the Department of Statistics, University of Nigeria Nsukka with over 8 years’ experience in lecturing. She is strong in statistical computing, evaluation of data and highly skilled at statistical modeling. She has 15 publications with both local and international journals indexed in SCimago (SJR), Scopus and Web of Science. Area of specialization includes: Generalized linear models, Hybrid modeling, estimation and Data mining.

https://docs.google.com/document/d/1kqZJ9WbBM2334YT65mqwdT6gaG04nygp5zv5VSCoiic/edit?usp=sharing

  • Onwuamaeze, Charity Uchenna: A lecturer with the University of Nigeria, Nsukka. She received the M.Sc degree in Design and Analysis of Experiment from the University of Nigeria, Nsukka in 2013 and currently a PhD student in the same University. She has authored over 8 papers in top journals and prestigious conferences. Her research interest includes Statistical Experimental Design, Biostatistics, Statistical, Distributions and Data Analysis.

The link to my Curriculum Vitae: https://docs.google.com/document/d/1nlN3k8aWY1HJj3RWYL_oTkAP4MwOhvD3Ni4qU28-dSs/edit

The link to my ResearchGate: https://www.researchgate.net/profile/Charity-Uchenna-2

  • Ugwu Samson Offorma: An academic staff of the department of Statistics, University of Nigeria Nsukka (UNN) with over seven years of lecturing experience in the above named University. He is currently a lecturer II with the department of statistics. He has seven international publications. His research interest is on quality/process control. https://docs.google.com/document/d/1-ZwdnH0xKXFQG0xafRqh4Ad5QVbrH46dIpBqui0vh8/edit?usp=sharing
  • Nnaemeka Martin Eze: A lecturer with the University of Nigeria, Nsukka. He obtained Bachelor of Science in Statistics from University of Nigeria, Nsukka and Master of Science in Statistics from University of Ibadan, Ibadan, Nigeria. My research focuses on the use of mathematical and statistical methods to develop statistical model. He has the skill of using computer applications and programming languages such as R programming language, Python programming language, Statistical Package for Social Sciences (SPSS) and Minitab to handle any data analysis. The link to my CV: https://docs.google.com/document/d/1ixZNThh-l0D3tWLMJfWEDDpF3r6DQdGEqudyabOESDM/edit

The link to my ResearchGate https://www.researchgate.net/profile/Nnaemeka-Eze

The link to my google scholar https://scholar.google.com/citations?user=-uF8h6QAAAAJ&hl=en&authuser=1

 

10 key publications of the RG from 2019 till date:

  • ARUM, K.C et al (2020). Time Series Model Comparative Approaches in Analyzing Accident and Emergency Departmental Demand in Eastern Nigeria. African Journal of Mathematics and Statistics Studies, 3(5): 55-62.
  • EZE, C.M.,CHANTCHO, B., MOYOUWOU,I. and UGWUOWO, F.I. (2021). A New value for Tu-Games: the rank Shapley value. Pakistan Journal of Statistics, 37(3):237-251
  • ORANYE H.E AND UGWUOWO, F.I. (2021) Modified jackknife Kibria–Lukman estimator for the Poisson regression model, Concurrency and Computation: Practice and Experience, DOI: https://doi.org/10.1002/cpe.6757
  • UGWUOWO, F.I., ORANYE H.E. and ARUM, K.C. (2022). On jackknife Kibria–Lukman estimator for the Linear regression model, Communications in Statistics- Simulation and Computation, DOI: https://doi.org/10.1080/03610918.2021.2007401
  • ARUM, K.C. AND UGWUOWO F.I. (2022). Combining principal component and robust ridge estimators in linear regression model with multicollinearity and outlier, Concurrency and Computation: Practice and Experience,  http://doi.org/10.1002/cpe.6803
  • UGWUOWO F.I. & UDOKANG A.E. (2022) Modelling Circular Time Series with applications. In: A. SenGupta and B. C. Arnold (eds.), Directional Statistics for Innovative Applications, Forum for Interdisciplinary Mathematics, PP. 407 – 424, Springer Nature Singapore Pte Ltd. 2022, https://doi.org/10.1007/978-981-19-1044-9_22.
  • SHEWA, G.A. and UGWUOWO, F.I. (2022). Combating the Multicollinearity in Bell Regression Model: Simulation and Application. Journal of the Nigerian Society of Physical Sciences 4(3) 713. https://doi.org/10.46481/jnsps.2022.713
  • SHEWA, G.A. and UGWUOWO, F.I. (2022). Kibria-Lukman Type Estimator for Gamma Regression Model, Concurrency Computat Pract Exper. 2022;e7441.
  • ARUM, K.C., UGWUOWO F.I. AND ORANYE H.E. (2022). Robust Modified Jacknife Ridge Estimator for the Poisson Regression model with Multicollinearity and Outliers, Scientific African, https://doi.org/10.1016/j.sciaf.2022.e01386
  • SHEWA, G.A. and UGWUOWO, F.I. (2022).A New Hybrid Estimator for Linear Regression Model Analysis: Computations and Simulations. Scientific African, https://doi.org/10.1016/j.sciaf.2022.e01441
  • ARUM, K.C., UGWUOWO F.I., ORANYE H.E., ALAKIJA, T.O., UGAH T.E. AND ASOGWA O.C. (2023). Combating Outliers and Multicollinearity in linear Regression model using Robust Kibria-Luckman mixed with principal component Estimator, Simulation and Computation. Scientific African, https://doi.org/10.1016/j.sciaf.2023.e01566