Experts directory

Prof JO Olaomi

College of Science, Engineering and Technology
School of Science
Department: Statistics
Professor
Tel: 011 670 9056
Fax: 011 670 6295
E-mail: olaomjo@unisa.ac.za

Expertise

  • Econometrics
  • Operations Research
  • Statistical Consulting
  • Time Series

Qualifications

  • PhD Statistics (University of Ibadan, Nigeria) 
  • MSc Statistics (University of Ibadan, Nigeria)
  • BSc Statistics (Obafemi Awolowo University, Nigeria)
  • P. Dip Computer Science (Obafemi Awolowo University, Nigeria)
  • Assessors’ Training in Higher Education (University of South Africa)

Currently teaching

  • STA3704: Time Series III
  • STA4802: Multivariate Distribution Theory

Fields of academic interests

  • Time Series Econometrics
  • Financial Econometrics
  • Mathematical programming
  • Statistical Computing
  • Statistical consulting
  • Data Science
  • General Statistics

Field of Specialisation

  • Time Series Econometrics
  • Financial Econometrics
  • Mathematical programming
  • General Statistics

Journal articles

https://scholar.google.co.za/citations?user=4X3NLvAAAAAJ&hl=en

2021

  • Adekeye KS, Adewara JA, Aako OL, Olaomi JO. (2021): Performance of median absolute deviation and some alternatives to median absolute deviation control charts for skewed and heavily tailed process. Qual Reliab Eng Int. Vol 37. No 8, pp 3431-3440 (2021). https://onlinelibrary.wiley.com/share/author/6PHYU6WJRBAWMNBDGXNB?target=10.1002/qre.2926
  • Ayesu, E and JO Olaomi (2021): The relationship between fiscal deficit and current account deficit in the case of the West African Monetary Zone: A Bivariate DSEM/RDSEM Approach. Asian Economic and Financial Review. Vol. 11, No. 7, 575-590.  DOI: 10.18488/journal.aefr.2021.117.575.590
  • Njoku Ola Ama & John O Olaomi (2021): Relationship between Socio-Economic Characteristics and Family Planning Use among Older Adults’ Women in Botswana, SAHARA-J: Journal of Social Aspects of HIV/AIDS. 18:1, 33-41, DOI: 10.1080/17290376.2020.1858945

 2020

  •  S. Folorunsho, S. Fashoto, JO Olaomi & O. Fashoto (2020):  A Multi-Label Learning Model for Psychotic Diseases in Nigeria. Informatics in Medicine Unlocked. Vol. 19,  (2020) 100326
  • Malandala K. & J.O. Olaomi (2020) Analysis of the Dependence Structure between Minerals Prices and the Rand/USD Exchange Rate Using Copulas, Studies in Economics and Econometrics, 44:3, 73-107.  https://doi.org/10.1080/03796205.2020.1919425

 2019

  • Arnab, R., Olaomi, J.O. & Rodŕiguez, B. C. (2019): An Addendum to “Regression  Estimator in Ranked Set Sampling by Yu and Lam”.  J Stat Theory Pract (2019) 13: 62. https://doi.org/10.1007/s42519-019-0065-4
  • Arnab, R., George Anderson, Olaomi, J.O. & Rodŕiguez, B. C. (2019): Stratified Two-Phase Ranked Set Sampling.   Pakistan Journal of Statistics and Operation Research Vol XV, No IV 2019 pp 867 – 879.
  • Njoku Ola Ama & John O Olaomi (2019): Family planning desires of older Adults (50 years and over) in Botswana, South African Family Practice, 61:1, 30-38, https://doi.org/10.1080/20786190.2018.1531584
  • Mojalefa Aubrey Molapo, John O Olaomi & Njoku Ola Ama (2019): Bayesian Vector Auto-Regression Method as an Alternative Technique for Forecasting South Africa Tax Revenue.  Southern African Business Review Volume 23. 28 pages. https://upjournals.co.za/index.php/SABR/article/view/4416/3705

 2018

  •  Olatunde A. Adeoti & John O. Olaomi (2018): Capability index-based control chart for monitoring process mean using repetitive sampling, Communications in Statistics – Theory and Methods, 47 :2, 493 – 507, DOI: 10.1080/03610926.2017.1307401 http://dx.doi.org/10.1080/03610926.2017.1307401

 2017

  • Oluwayemisi Oyeronke Alaba, Olusanya E. Olubusoye  & JO Olaomi (2017): Spatial Patterns and Determinants of Fertility Levels among Women of Childbearing Age in Nigeria, South African Family Practice, 59:4, 143-147, http://dx.doi.org/10.1080/20786190.2017.1292693
  • Raghunath Arnab & J. O. Olaomi (2017): Optional Randomized Response Technique in Two-Phase Sampling, Communications in Statistics - Theory and Methods, 46:18, pp 8973-8986.  http://dx.doi.org/10.1080/03610926.2016.1197257
  • Olatunde A. Adeoti & John O. Olaomi (2017): Process Capability Index Based Control Chart For Variables. South African Journal of Industrial Engineering.  Vol 28(2), pp 28-36. http://dx.doi.org/10.7166/28-2-1353
  • N. J. Hassan, A. Pourdarvish, J. Sadeghi, J. O. Olaomi (2017): The Quadrature Master Equations, Int J Theor Phys 56:1326–1334. http://dx.doi.org/10.1007/s10773-017-3274-1
  • Arnab R, Alaba O. O. and Olaomi, J.O. (2017): Exploratory Study on Factors Associated with Stigmatisation of People Living With HIV/AIDS in Botswana.  PULA: Botswana Journal of African Studies. Vol 31, No 2, 76 – 85.

 2016

  • Olatunde A. Adeoti & J. O. Olaomi (2016): A moving average S control Chart for monitoring process variability, Quality Engineering, 28:2, 212-219, DOI:10.1080/08982112.2015.1104542 http://dx.doi.org/10.1080/08982112.2015.1104542
  • Olatunde A. Adeoti, John O. Olaomi and Kayode S. Adekeye (2016): Control Chart Limits for Monitoring Process Mean Based on Downton’s Estimator. Quality and Reliability Engineering International. Vol. 32(5): 1731 – 1740.  http://dx.doi.org/10.1002/qre.1909

 2015

  •  Oluwayemisi Oyeronke Alaba, JO Olaomi & Olusanya E. Olubusoye (2015): Spatial pattern and determinants of unmet need of family planning in Nigeria, South African Family Practice. Vol. 57(5): 306-312. http://dx.doi.org/10.1080/20786190.2015. 1071536
  • Arnab Raghunath and J. O. Olaomi (2015): “Improved Estimation from Ranked Set Sampling”.  Hacettepe Journal of Mathematics and Statistics.  Vol 44(6), 2015, pages 1513 – 1525. http://dx.doi.org/10.15672/HJMS.2014438213
  • Alaba, Oyeronke O. and Olaomi J.O. (2015): Geo-Additive Modelling of Family Size in Nigeria. J Biom Biostat 6: 237. http://dx.doi:10.4172/2155-6180.1000237

Professional positions, fellowships & awards

  • Member, South African Statistical Association (SASA)
  • Member, Nigerian Statistical Association (NSA)

Projects

  • Volatility modelling
  • Pair-copula constructions (PCCs) in financial applications
  • Endogeneity in Linear models