Dr Sean van der Merwe
Senior Lecturer
Mathematical Statistics and Actuarial Science
1D W104
IB 75
Main Building: West Block W104

Short CV

Coordinator for the internal Statistical Consultation Unit of the UFS

For more information about me visit my website: seanvdm.co.za


MS van derWalt, W Daffue, J Goedhals, S van der Merwe, F Deacon, 2023. The Rostral Epidural Rete Mirabile: Functional Significance in Blood Flow Regulatory Mechanisms in Giraffe. Anatomia, 2023(2):138-155. https://doi.org/10.3390/anatomia2020013


DA Burger, S van der Merwe, E Lesaffre, PC le Roux, MJ Raath-Krüger, 2023. A robust mixed-effects parametric quantile regression model for continuous proportions: Quantifying the constraints to vitality in cushion plants. Statistica Neerlandica, ?(?):?. DOI: 10.1111/stan.12293


J Sirunda, P Oberholster, G Wolfaardt, C Truter, S van der Merwe, 2023. Long-term study of the drought impact on the phytoplankton concentration and assemblages in two water supply reservoirs in Namibia. African Journal of Aquatic Science, 2023(1):14. https://doi.org/10.2989/16085914.2023.2200816


MS van derWalt, W Daffue, J Goedhals, S van der Merwe, F Deacon, 2022. A Preliminary Study on the Siphon Mechanism in Giraffe. Animals, 2022(12):3348. https://doi.org/10.3390/ani12233348


CA Retief, HJ Retief, S van der Merwe, 2022. Evaluating the neutrophil-to-lymphocyte ratio as an indicator for early referral of patients with COVID-19 pneumonia to a high-care facility. South African Medical Journal, 112(10). https://doi.org/10.7196/SAMJ.2022.v112i10.16590.


D Burger, R Schall, S van der Merwe, 2021. A robust method for the assessment of average bioequivalence in the presence of outliers and skewness. Pharmaceutical Research. https://doi.org/10.1007/s11095-021-03110-z.


D Bola Adelabu, E Bredenhand, S van der Merwe, A Franke, 2021. Soil fertilization synergistically enhances the impact of pollination services in increasing seed yield of sunflower under dryland conditions. The Journal of Agricultural Science, 1-14. doi:10.1017/S0021859621000514


CPJ Scheijen, S van der Merwe, A Ganswindt, F Deacon, 2021. Anthropogenic Influences on Distance Traveled and Vigilance Behavior and Stress-Related Endocrine Correlates in Free-Roaming Giraffes. Animals, 11(5):1239. https://doi.org/10.3390/ani11051239


JM van Zyl, S van der Merwe, 2020. An empirical study of the behaviour of the sample kurtosis in samples from symmetric stable distributions. South African Statistical Journal, 54, pp 255-265.


S van der Merwe, 2019. A method for Bayesian regression modelling of composition data.  South African Statistical Journal, 53, pp 55 –64.


DJ de Waal, RJ Coetzer, S van der Merwe, 2016. A Multivariate Gamma Distribution Applied To Compositional Data Analysis. South African Statistical Journal, 50, 273 - 283.


DJ de Waal, RJ Coetzer, S van der Merwe, 2016. Classification of Multiple Dirichlet Observations under a Multinomial Model. Chemometrics and Intelligent Laboratory Systems, DOI: 10.1016/j.chemolab.2015.10.012.


DJ de Waal, S van der Merwe, 2014. Multiple Discrimination between Dirichlet Populations. South African Statistical Journal, 48, 213 - 227.


JM van Zyl, S van der Merwe, 2013. An empirical study to find and approximate ranking of citation statistics over subject fields. Journal of Mathematics, Statistics and Operations Research, 2, 1, 17.


CA van der Merwe, S van der Merwe, 2009. Student success: data mining measures what matters. Journal for New Generation Sciences, 7, 2, 284-302.


A number of acknowledgements of assistance in publications not listed here.


Current research focus is on optimal priors for robust and extreme value models

Area(s) of Interest

General Statistical Consultation

Courses Presented

STSB6816 - Bayes Analysis

Coordinator for M and PhD research


Elfrieda van den Berg (Marketing Manager)
T: +27 51 401 2531


Dilahlwane Mohono (Faculty Officer)
T: +27 58 718 5284

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