Dr Johan Ferreira

Tel: 012 420 2362

Email: [email protected]

Position:  Senior Lecturer

Junior Focus Area Coordinator: Statistical Theory and Applied Statistics (see link), Centre of Excellence in Mathematical and Statistical Sciences, University of the Witwatersrand

Academic qualifications: MSc, PhD Mathematical Statistics (UP), LRSM (oboe performance)

Research interests:  statistical distribution theory, matrix variate distributions, wireless communications systems, statistical inference, entropy, Bayesian inference

Subjects lectured: 

2019: WST 321 (Time Series Analysis), STK 320 (Statistics), MVA 720 (Multivariate Analysis)

2018: WST 321 (Time Series Analysis), STK 320 (Statistics)

2017: WST 211 (Mathematical Statistics), WST 221 (Mathematical Statistics)

2016: WST 211 (Mathematical Statistics), WST 221 (Mathematical Statistics), SFT 720 (Sampling Techniques)

Current postgraduate students (2019 - honours and masters):  Michaela Laidlaw, Jarod Smith, Christine van Zyl, Sharday Nigrini, Lienkie Nel, Gopika Ramkilawon, Delene van Wyk, Xander Heaney, Boitumelo Madumo.

Graduated postgraduate students (masters): Tichawona Mutoro, Brett Rowland, Seite Makgai.

Accolades:

Mail and Guardian Top 200 Young South Africans under the age of 35: https://200ysa.mg.co.za/2016/johan-ferriera/

Africa Science Leadership Programme 2018 Fellow: http://www.futureafrica.science/index.php/our-community/research-leaders/johan-ferreira-273

Excellence in Teaching award (2018), Department of Statistics, University of Pretoria

Google Scholar profile: Link

ORCID ID: Link

Recent publications:

  1. Ferreira J.T. & Bekker, A.  2014.  "Objektiewe beramers vir die gesensoreerde Rayleigh model onder verskillende verliesfunksies." (In Afrikaans).  Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie, 33(1), http://dx.doi.org/10.4102/satnt.v33i1.1040.

  2. Ferreira, J.T.  2015.  “’n Kortpad tot die ontwikkeling van nie-sentrale twee-veranderlike verdelings deur samestelling.” (In Afrikaans).  Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie.  34(1), http://dx.doi.org/10.4102/satnt. v34i1.1319.

  3. Ferreira J.T., Bekker, A., & Arashi M. 2016. "Objective Bayesian estimators for the right-censored Rayleigh model: evaluating the Al-Bayyati loss function".   REVSTAT Statistical Journal, 14(4), pp. 433 – 454.

  4. Ferreira J.T., Bekker, A., & Arashi, M. 2016.  “Bivariate noncentral distributions : an approach via the compounding method”. South African Statistical Journal, 50, pp. 103-122.

  5. Makgai, S.L., Bekker, A., Ferreira, J.T., & Arashi, M. 2017.  “New results from a beta-Pareto class”. South African Statistical Journal, 51(2), pp. 345 –360.

  6. Ferreira, J.T., Bekker, A., & Arashi, M. 2020. "Advances in Wishart type modeling of channel capacity", Accepted at REVSTAT Statistical Journal (to appear in 2020).

  7. Bekker, A., Arashi, M., and Ferreira, J.T. 2019. "New bivariate gamma types with MIMO application", Communications in Statistics: Theory and Methods48(3), pp. 596-615 (https://doi.org/10.1080/03610926.2017.1417428).

  8. Bekker, A. and Ferreira, J.T. 2018. "Bivariate gamma type distributions for modeling wireless performance metrics", Statistics, Optimization, and Information Computing, 6(3), pp. 335-353.

  9. Bekker, A., Ferreira, J.T., Arashi, M., and Rowland, B. 2019. "Computational methods applied to a skewed generalised normal family", Accepted at Communications in Statistics: Simulation and Computation (https://doi.org/10.1080/03610918.2018.1530785​).

  10. Ferreira, J.T. and Bekker, A. "A unified complex noncentral Wishart  type distribution inspired by massive MIMO systems", Journal of Statistical Distributions and Applications, 6(4), pp. 1 - 19.

  11. Ferreira, J.T. and Bekker, A. "Weighted condition number distributions emanating from complex noncentral Wishart type matrices", accepted for publication for the book Computational and Methodological Statistics and Biostatistics: Contemporary Essays in Advancement, to be published by Springer in 2020.

  12. Barret, M., van Niekerk, C., Page-Shipp, R., and Ferreira, J.T. "Learning music theory en passant: a study in an internationally recognised South African University student choir". Accepted at British Journal of Music Education.

  13. Van Zyl, A., White, Z., Ferreira, J.T., and Wenhold, F. 2019. "Development an impedance based equation for fat free mass of black pre-adolescent South African children". Nutrients 11(9)2021.

  14. Burger, D.A., Ferreira, J.T., Chen, D-G, and Schall, R. "A robust Bayesian mixed effects approach for zero inflated and highly skewed longitundinal count data emanating from the zero inflated Weibull distribution", under review at Statistics in Medicine.

  15. Mirkin, P., Evans, R., and Ferreira, J.T. "Using poetry to teach chemistry in Grade 9  - shifting paradigms", under review at South African Journal of Education.

Published by Johan Ferreira

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