Prof. Aloysius Chijioke Onyeka

Prof. Aloysius Chijioke Onyeka

Professor

BSc., MSc., PhD
Email: aloy.onyeka@futo.edu.ng

Biography

Deputy Vice-Chancellor, Kingsley Ozumba Mbadiwe University (KOMU), Ideato,

Imo State, Nigeria, 2021 till date

Academic Qualification

  •  PhD (Statistics), University of Ibadan, Ibadan, Nigeria (1994)
  •  M.Sc. (Statistics), University of Ibadan, Ibadan, Nigeria (1988)
  •  B.Sc. (Statistics), Imo State University, Etiti, Nigeria (1985)
  •  SSCE, Bishop Shanahan College (BSC), Orlu (1980)
  •  FSLC, Ihitte-Akatta Primary School, Akwa-Akatta (1975)

Honours/Awards

  • Best Graduating M.Sc. student, Department of Statistics, University of Ibadan, Ibadan, Nigeria
    (1988)
  • Pioneer Best Graduating B.Sc. student, Faculty of Science, Imo State University, Etiti, Nigeria (1985)
  • Pioneer Best Graduating B.Sc. student in Statistics, School of Biological and Physical
    Sciences, Imo State University, Etiti, Nigeria (1985)
 

Affiliations

  • International Statistical Institute (ISI)

  •  International Association of Survey Statisticians (IASS)

  • International Biometric Society (IBS)

  • Royal Statistical Society (RSS)

  • Nigerian Statistical Association (NSA)
  • Professional Statisticians Society of Nigeria (PSSN)

Courses Assigned to Teach

  • Statistics
  • STA 211
  • STA 221/STA 223
  • STA212
  • STA 332
  • STA 334
  • STA 338
  • STA431
  • STA513
  • Post-Graduate
  1. Deputy Vice-Chancellor, Kingsley Ozumba Mbadiwe University (KOMU), Ideato, Imo State, Nigeria, 2021 till date
  1. Pioneer Rector, Bishop Shanahan Polytechnic, Orlu, Imo State, 2019.
  2. Head, Department of Computer Science, Federal University of Technology, Owerri, 2020–2021.
  1. Director, Information and Communication Technology (ICT) Centre, Federal University of Technology, Owerri, 2014 – 2016.
  1. Director, University Computer Centre (UCC), Federal University of Technology, Owerri, 2011 – 2014.
  1. Deputy Director, University Computer Centre (UCC), Federal University of Technology, Owerri, 2011.
  1. Professor, Department of Statistics, Federal University of Technology, Owerri, 2015 till date.
  2. Sabbatical/Visiting Professor, Department of Statistics, Faculty of Physical Sciences, Abia State University, Uturu, 2018/2019 session.
  1. Associate Professor, Department of Statistics, Federal University of Technology, Owerri, 2012 – 2015.
  1. Head, Department of Statistics, Federal University of Technology, Owerri, 2007 – 2010.
  2. External Examiner, Department of Statistics, Imo State University, Owerri, 2013 – 2017.
  3. External Examiner, Department of Statistics, Abia State University, Uturu, 2008 – 2012.
  4. Sabbatical/Visiting Lecturer, Department of Mathematics, Industrial Mathematics and Statistics, Imo State University, Owerri, Nigeria, 2004 – 2005.

Research Interest

Sampling and Statistical Computing

Publications

  1. Okafor Ikechukwu Boniface, Onyeka Aloysius Chijioke, C.J. Ogbonna, Izunobi Chinyeaka Hostensia

and Kiwu Lawrence Chizoba (2022). The Influence of Measurement Errors on Generalized Estimator

of Population Mean. Asian Journal of Probability and Statistics Vol.16(4), 77–92.

  1. Okafor Ikechukwu Boniface, Onyeka Aloysius Chijioke, Ogbonna Chukwudi Justin, Izunobi Chinyeaka

Hostensia. Effect of correlated measurement errors on estimation of population mean with modified

ratio estimator. Biometrics and Biostatistics International Journal, Vol.11(2), 52–56.

  1. Izunobi Chinyeaka Hostensia, Onyeka Aloysius Chijioke, Iwueze Iheanyi Sylvester and Ogbonna

Chukwudi Justin (2021) Estimation of Population Mean in Poststratified Sampling Scheme in the

Presence of Measurement Errors. Journal of Research in Applied Mathematics. Volume 7(9), 49–55.

  1. Izunobi Chinyeaka Hostensia, Onyeka Aloysius Chijioke, Iwueze Iheanyi Sylvester and Ogbonna

Chukwudi Justin (2021) Estimation of Population Mean in Poststratified Sampling Scheme in the

Presence of Noneresponse. Journal of Research in Applied Mathematics. Volume 7(9), 56–64.

5

  1. Ikenna Caesar Nwandu, Aloysius C. Onyeka, Juliet N. Odii, Francisca O. Nwokoma and Theodora
  2. Onwuama (2021). Development of a smart detective device for maintenance of social distancing.

International Journal of Trend in Research and Development, Vol.7(5), 2394–9333.

  1. Nwaigwe, C.C., Onyeka, A.C. and Nwanneako, S.N. (2020). Comparison of Logit and Probit Models

in the Analysis of Severity of Diabetes. EC Diabetes and Metabolic Research Vol.4(6), 1–11.

  1. Onyeka, A.C., Erumaka, E.N., Nwokorie, E.C., Ayogu, I.I., Diala, S.O., Onyema, C.J. and Okpara,

A.I. (2020). Development of a Multi-level Service-oriented Academic Records Management and Re-

tention Software for Nigerian Universities. Accepted Concept Note for 2020 TetFund NRF Research

Grant, Abuja, Nigeria

  1. Izunobi, C.H and Onyeka, A.C (2019) Logarithmic ratio and product-type estimators of population

mean in simple random sampling. International Journal of Advanced Statistics and Probability,

Vol.7 (2), 47–55.

  1. Izunobi, C.H and Onyeka, A.C (2019) Estimation of population ratio in simple random sampling us-

ing variable transformation in the presence of nonresponse. Far East Journal of Theoretical Statistics,

Vol.57 (2), 103–114. http://dx.doi.org/10.17654/TS057020103.

  1. Onyeka, A.C, Ogbumuo, D.T, and Izunobi, C.H (2019) Estimation of Population Mean in Stratified

Random Sampling When Using Auxiliary Information in the Presence of Non-Response. Far East

Journal of Theoretical Statistics, Vol.55 (2), 151-167. http://dx.doi.org/10.17654/TS055020151.

  1. Nlebedim, V.U. and Onyeka, A.C. (2018). A Crash Course on LaTeX and R Software. Paper pre-

sented at Workshop on Computational Skills and Professional Writing held at Owerri Cbt Hitech,

Owerri, Imo State, Nigeria, May 28-30, 2018.

  1. Onyeka, A.C. (2018) Statistical Techniques for Analysis of Researches in Medical and Health Sci-

ences (Risks and Survival Analysis). Paper presented at the 11th Annual General Meeting (AGM)

and Conference of Nigerian College of Optometrists held at Top View Hotel, Asaba, Delta State,

Nigeria, April 26-28, 2018.

  1. Onyeka, A.C., Izunobi, C.H. and Iwueze, I.S. (2015) Estimation of Population Ratio in Post-Stratified

Sampling Using Variable Transformation. Open Journal of Statistics, 5, 1-9.

http://dx.doi.org/10.4236/ojs.2015.51001.

  1. Onyeka, A.C., Izunobi, C.H. and Iwueze, I.S. (2015) Separate-Type Estimators for Estimating Pop-

ulation Ratio in Post-Stratified Sampling Using Variable Transformation. Open Journal of Statistics,

5, 27-34. http://dx.doi.org/10.4236/ojs.2015.51004.

  1. Onyeka, A., Nlebedim, V. and Izunobi, C. (2014) A Class of Estimators for Population Ratio in

Simple Random Sampling Using Variable Transformation. Open Journal of Statistics, 4, 284-291.

http://www.scirp.org/journal/PaperInformation.aspxPaperID=47086#.U6tdprGZFw

Research/Publication Links

ORCID: 

Research Gate Profile URL: 

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