KUIPER T, HAUSSMANN S, WHITFIELD S, ALTWEGG R, SHAW J, POLAKOW DA, FERREIRA S, HOFMEYR M.
Evaluating the cost and effectiveness of rhino conservation interventions in the Greater Kruger.
2023: 15 pp.
ODENDAAL HJ, GEERTS LTGM, WRIGHT CA, ROBERTS DJ, SCHUBERT P, BOYD T, BRINK LT, NEL DG.
Association of Placental Histology with the Pulsatility Index of Fetal and Uteroplacental Vessels during Pregnancy and with Birthweight Z-Score.
Medical Research Archives 2023; 11(8):1-17.
ZAFAR S, CHEEMA S, BEH EJ, HUDSON I.L
Asymptotic Characteristics of the Non-Iterative Estimates of the Linear-by-Linear Association Parameter for Ordinal Log-Linear Models.
Computation 2022; 10(12):0.
VAN STRYP O, AFRICA EK, KIDD M, DUNCAN MJ.
The effect of active brain-breaks during a typical school day on the in-school physical activity patterns of Grade 1 children in the Western Cape, South Africa.
Education 3-13 2023; 51(3):398-409.
VAN DER WESTHUIZEN CS, HEUVELINK GBM, HOFMEYR DP.
Multivariate random forest for digital soil mapping.
VAN DER WATT ASJ, KIDD M, ROOS A, LESCH E, SEEDAT S.
Romantic relationship dissolutions are significantly associated with posttraumatic stress symptoms as compared to a DSM-5 Criterion A event: a case-case–control comparison.
European Journal of Psychotraumatology 2023; 14(2):2238585, 18 pages.
TERBLANCHE N, WALLIS GP, KIDD M.
Talk or Text? The Role of Communication Modalities in the Adoption of a Non-directive, Goal-Attainment Coaching Chatbot.
INTERACTING WITH COMPUTERS 2023; 35(4):511-518.
STEYN ML, DE WET T, DE BAETS B, LUCA S.
A Nearest Neighbor Open-Set Classifier based on Excesses of Distance Ratios.
JOURNAL OF COMPUTATIONAL AND GRAPHICAL STATISTICS 2023; 32(1): 319–328.
SNYMAN LC, RICHTER KL, LUKHWARENI A, DREYER GJ, BOTHA MH, VAN DER MERWE F, VISSER C, DREYER G.
Cytology compared with Hybrid Capture 2 human papilloma virus cervical cancer screening in HIV positive and HIV negative South African women.
International Journal of Gynecological Cancer 2023; 33:669-675.
SMIT Y, EBRAHIM Z, MARAIS ML, NEL DG, KOEN N.
Does sugar taxation on sugar-sweetened beverages alter purchasing behaviour of South African consumers? Perspectives of dietitians and key role-players.
South African Journal of Clinical Nutrition 2023; 0(0):8 pages.
2022
ALFEUS M, HE X, ZHU S
An Empirical Analysis of Option pricing with Short Sell Bans.
International journal of theoretical and applied finance 2022; 25(3):2250012, 26 pages.
ALFEUS M, HE X, ZHU S.
Regularization effect on model calibration.
Journal of Risk 2022; 24(3):1-27.
ALFEUS M, NIKITOPOULOS C.
Forecasting volatility in commodity markets with long-memory models.
Journal of Commodity Markets 2022; 28:100248, 29 pages.
BEH EJ, LOMBARDO R.
Visualising Departures from Symmetry and Bowker’s X2 Statistic.
Symmetry-Basel 2022; 14:1103, 25 pages.
BRINK LT, ROBERTS DJ, WRIGHT CA, NEL DG, SCHUBERT P, BOYD T, HALL DR, ODENDAAL HJ.
Piatrogenic preterm birth: Different entities with unique pathologic features.
Placenta 2022; 126:54-63.
BRINK LT, SPRINGER PE, NEL DG, POTTER MD, ODENDAAL HJ.
The tragedy of smoking, alcohol, andmultiple substance use during pregnancy.
SAMJ South African Medical Journal 2022; 112(8):526-538.
BROCKER E, OLFF M, SULIMAN S, KIDD M, MQAISI B, GREYVENSTEIN L, KILIAN S, SEEDAT S.
Aclinician-monitored ‘PTSD Coach’ intervention: findings from two pilot feasibility and acceptability studies in aresource-constrained setting.
European Journal of Psychotraumatology 2022; 13:2107359, 13 pages.
CALLE-TORO J S, ELSINGERGY M, DENNIS R, GRASSI D, KIDD M, OTERO HJ, ANDRONIKOU S.
Frequency of duodenal anatomical variants in neonatal and pediatric upper gastrointestinal tract series (UGI)and the influence of exam quality on diagnostic reporting of these.
CLINICAL IMAGING 2022; 87:28-33.
CORNELISSEN RJ, KIDD M, ALEIXANDRE TUDO JL, NIEUWOUDT H.
Data-driven Determination of Disease Markers’ Threshold Values in Rot-affected Wine Grapes.
South African Journal of Enology and Viticulture 2022; 43(1):85-95.
DREYER G, SNYMAN LC, VAN DER MERWE F, RICHTER KL, DREYER GJ, VISSER C, BOTHA MH.
Phase I of the DiaVACCS screening trial: Study design, methods, population demographics and baseline results.
SAMJ South African Medical Journal 2022; 112(7):478-486.
2021
RODWELL DT, VAN DER MERWE CJ, LUBBE S.
Categorical CVA biplots
Computational Statistics and Data Analysis 2021; 163(107299):?.
OLIVIER SE, DE WAARD L, MULLER CJB, GEBHARDT GS.
Delivery outcomes of patients with pre-eclampsia at 27 – 34 weeks’ gestation at Tygerberg Hospital, Cape Town, South Africa: A retrospective observational study
SAMJ South African Medical Journal 2021; 111(5):437-443
LUBBE S, FILZMOSER P, TEMPL M.
Comparison of zero replacement strategies for compositional data with large numbers of zeros
CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS 2021; 210:1-11.
LUBBE S.
Linear discriminant analysis for multiple functional data analysis
JOURNAL OF APPLIED STATISTICS 2021; 48(11):1917-1933
HOFMEYR DP.
Fast Exact Evaluation of Univariate Kernel Sums
IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE 2021; 43 (doi.org/10.1109/ TPAMI.2019.2930501):447-458.
DE VRIES PJ, LECLEZIO L, LUBBE S, KRUEGER D, SAHIN M, SPARAGANA S, DE WAELE L, JANSEN A.
Multivariate data analysis identifies natural clusters of Tuberous Sclerosis Complex Associated Neuropsychiatric Disorders (TAND)
Orphanet Journal of Rare Diseases 2021; 16 (447):1-10.
ALFEUS M, KANNAN S.
Pricing Exotic Derivatives for Cryptocurrency Assets—A Monte Carlo Perspective
Journal of Mathematical Sciences 2021; 11(4):597-619.
ALFEUS M, HE X, ZHU S.
Regularization effect on model calibration
Journal of Risk 2021; 24 (3):1-27.
2020
BEIRLANT J, BUITENDAG S, DEL BARRIO E, HALLIN M.
Center-outward quantiles and the measurement of multivariate risk
Longitudinal Population Dynamics of Staphylococcus aureus in the Nasopharynx During the First Year of Life
Frontiers in Genetics 2019; 10:1-10.
BIERMAN S.
Interpretable multi-label classification by means of multivariate linear regression
South African Statistical Journal 2019; 53(1):1-13.
DU PLESSIS N, MULLER CJB, AVENANT T, PEPPER MS, GOGA A.
An Early Infant HIV Risk Score for Targeted HIV testing at Birth
PEDIATRICS 2019; 143(6):2018-3834.
BUITENDAG S, BEIRLANT J, DE WET T.
Ridge Regression Estimators for the Extreme Value Index
EXTREMES 2019; 22, 271-292.
MINKAH R, DE WET T.
Comparison of Confidence Interval Estimators: An Index Approach
JOURNAL OF APPLIED PROBABILITY AND STATISTICS 2019; 14 (1), 31-55.
VAN DER SPUY P, LENNER R, DE WET T, CAPRANI C.
Multiple Lane Reduction Factors Based on Multiple Lane Weigh in Motion Data Structures
STRUCTURES 2019; 20, 543-549.
HOFMEYR DP, PAVLIDIS NG, ECKLEY IA.
Minimum spectral connectivity for spectral pursuit
STATISTICS AND COMPUTING 2019; 29:391-414.
HOFMEYR DP, PAVLIDIS NG.
PPCI: an R Package for Cluster Identification using Projection Pursuit
R Journal 2019; 11(2):1-25.
HOFMEYR DP.
Improving Spectral Clustering Using the Asymptotic Value of the Normalized Cut
JOURNAL OF COMPUTATIONAL AND GRAPHICAL STATISTICS 2019; 28(4):980-992.
KAJEE Z, HARVEY J, ZÖLLNER EWA.
The impact of a diabetes care team on the glycaemic control of paediatric and adolescent patients with type 1 diabetes mellitus at Tygerberg Children’s Hospital
South African Journal of Child Health 2019; 13(1):11-16.
2018
CLAASSEN-WEITZ S, LUBBE S, NICOL A, BOTHA G, MOUNAUD S, SHANKAR S, NIERMAN WC, MULDER N, BUDREE S, ZAR H, NICOL MP, KABA M.
HIV-exposure, early life feeding practices and delivery mode impacts on faecal bacterial profiles in a South African birth cohort
Scientific Reports 2018; 8(5078):1-15.
GOWER J, LUBBE S, LE ROUX NJ.
Interaction: Fisher’s Optimal Scores Revisited
Journal of Agricultural, Biological, and Environmental Statistics 2018; 23(1):92-112.
Inter-rater reliability in the radiological classification of renal injuries. World Journal of Urology
WORLD JOURNAL OF UROLOGY 2018; 36(3):489-496.
HARVEY J, VAN DER MERWE AJ.
A Bayesian approach to inference on the variance of lognormal data
South African Statistical Journal 2018; 52(1):29-55.
INNES SEV, HARVEY J, COLLINS IJ, COTTON MF, JUDD A.
Lipoatrophy/lipohypertrophy outcomes after antiretroviral therapy switch in children in the UK/Ireland
PLoS One 2018; 13(4):1-10.
KAMPER F, DU PREEZ JA, STEEL SJ, WAGNER S.
Regularized Gaussian belief propagation
STATISTICS AND COMPUTING 2018; 28(3):653-672.
KOEN N, PHILIPS LA, POTGIETER S, SMIT Y, VAN NIEKERK E, NEL DG, VISSER J.
Staff and student health and wellness at the Faculty of Medicine and Health Sciences, Stellenbosch University: current status and needs assessment
South African Family Practice 2018; 60(3):84-90.
LECLEZIO L, LUBBE S, DE VRIES PJ.
Is it Feasible to Identify Natural Clusters of TSC-Associated Neuropsychiatric Disorders (TAND)?
PEDIATRIC NEUROLOGY 2018; 81:38-44.
MARX M, YOUNG SY, HARVEY J, SEEDAT S.
An examination of differences in psychological resilience between social anxiety disorder and posttraumatic stress disorder in the context of early childhood trauma
Frontiers in Psychology 2018; 8:Article 2058, 9 pages.
PEPLER PT, UYS DW, NEL DG.
Regularized covariance matrix estimation under the common principal components model
COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION 2018; 47(3):631-643.
2017
BAKK Z, LE ROUX NJ.
Visualizing latent class models with analysis-of-distance biplots
Sociological methodology 2017; 47:345-378.
DE WET T, ÖSTERREICHER F.
A Note on extended Arimoto’s entropies
South African Statistical Journal 2017; 51:285-294.
KAMPER F, DU PREEZ JA, STEEL SJ, WAGNER S.
Regularized Gaussian belief propagation
STATISTICS AND COMPUTING 2017; 1:1-20.
NEL WS, LE ROUX NJ.
An Analyst’s guide to sector-specific optimal peer group variables and multiples in the South African market
Economics, management and financial markets 2017; 1:25-54.
NEL WS, LE ROUX NJ.
The valuation performance of mathematically-optimised, equity-based composite multiples
Journal of Economics, Finance and Administrative Science 2017; 22:224-250.
PEPLER PT, UYS DW, NEL DG.
Discriminant analysis under the common principal components model
COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION 2017; 46(6):4812-4827.
VILJOEN, H.
A comparison of stepwise common singular spectrum analysis and horizontal multi-channel singular spectrum anlaysis
Communications in Statistics – Simulation and Computation 2017; 46: 6865-6878
2016
BEIRLANT J, BARDOUTSOS A, DE WET T.
Bias reduced tail estimation for censored Pareto type distributions
Statistics and Probability Letters 2016; 109:78-88.
CAEIRO F, GOMES I, BEIRLANT J, DE WET T.
Mean-of-order p reduced-bias extreme value index estimation under a third-order framework
Extremes 2016; 19:561-589.
DE WET T, GOEGEBEUR Y, GUILLOU A, OSMANN M.
Kernel regression with Weibull-type tails
Annals of the Institute of Statistical Mathematics 2016; 68:1135-1162.
DE WET T, ÖSTERREICHER F.
Fisher’s information and the class of f-Divergencies based on extended arimoto’s entropies
Advances in Data Analysis and Classification 2015; 9:219-238.
HARVEY J, VAN DER MERWE AJ.
Analysis of unbalanced occupational exposure data using a Bayesian random effects model
South African Statistical Journal 2015; 49:169-185.
MACHEKANO R, YOUNG TN, CONRADIE WJ, RUSAKANIKO S, THABANE L.
Workshop report: building biostatistics capacity in Sub-saharan Africa-taking action
Pan Afrian Medical Journal 2015; 21(167):1-10.
NEL WS, LE ROUX NJ.
An Optimal Peer Group Selection Strategy for Multiples-Based Modelling in the South African Equity Market
Journal of Economics and Behavioral Studies 2015; 7:30-46.
PLANTINGA AA, CORUBOLO D, CLOVER RJ.
Catastrophe modelling: deriving the 1-in-200 year mortality shock for a South African insurer’s capital requirements under Solvency Assessment and Management
South African Actuarial Journal 2015; 39(2):87-103.
VAN HEERDEN JD, VAN RENSBURG P.
The cross-section of Johannesburg Securities Exchange listed equity returns
Studies in Economics and Finance 2015; 32(4):422-444.
2014
DICKS A, CONRADIE WJ, DE WET T.
Value at risk using Garch volatility models augmented with extreme value theory
Studies in Economics and Econometrics (SEE) 2014; 38(3) : 1-18.
DE WET T.
EM-based Likelihood Inference for Some Lifetime Distributions Based on Left Truncated and Right Censored Data and Associated Model Discrimination
South African Statistical Journal 2014; 48(2) : 191-195.
DE WET T, TEUGELS JL, VAN DEVENTER PJU.
Historic bells in Moravian Missions in South Africa’s Western Cape
Historia 2014; 59(2) : 94-119.
HARVEY J, VAN DER MERWE AJ.
Modelling Occupational Exposure Using a Random Effects Model: A Bayesian Approach
South African Statistical Journal 2014; 48 61-71.
COETZER RL, ROUSSOUW RF, LE ROUX NJ.
Reference set selection with generalized orthogonal Procrustes analysis for multivariate statistical process monitoring of multiple production processes
Chemometrics and Intelligent Laboratory Systems 2014; 132 : 52-62.
GOWER JC, LE ROUX NJ, LUBBE S.
The Canonical Analysis of Distance
Journal of Classification 2014; 1(1) : 107-128.
LE ROUX NJ, LUBBE S, GOWER J.
The analysis of distance of grouped data with categorical variables: Categorical conanical variate analysis
Journal of Multivariate Analysis 2014; 132 : 9-24
NEL WS, BRUWER BW, LE ROUX NJ.
Precision, Consistency and Bias in Emerging Equity Markets
Journal of Economics and Behavioral Studies 2014; 6(5) : 386-399.
NEL WS, BRUWER BW, LE ROUX NJ.
An emerging market perspective on peer group selection based on valuation fundamentals
Measuring the performance of South African equity investment managers using portfolio opportunity distributions
Investment Analysts Journal 2013; 76 : 13-23.
VAN HEERDEN JD, KOEGELENBERG FJ.
Optimal asset allocation strategies for South African pension funds
Journal for Studies in Economics and Econometrics Tydskrif vir Studies in Ekonomie en Ekonometrie 2013; 37(1) : 29-53.
NEL WS, BRUWER BW, LE ROUX NJ.
The impact of Industry classification on the Valuation accuracy of multiples in the South African capital market
International Business and Economics Research Journal 2013; 12(1) : 79-102
NEL WS, BRUWER BW, LE ROUX NJ.
Equity- and Entity-Based multiples in emerging markets: Evidence from the JSE securities exchange
Journal of Applied Business Research 2013; 29(3) : 829-852.
BURGER BV, VIVIERS MZ, LE ROUX NJ, MORRIS J, BEKKER J, LE ROUX M.
Neonatal recognition in sheep
Chemical Signals in Vertebrates 12, New York, USA, Springer-Verlag 2013: 61-76.
VILJOEN H, STEEL SJ.
Identifying secondary series for stepwise common singular spectrum analysis
Journal of the Operations Research Society of South Africa 2013; 29(2) : 155-167.
2012
CONRADIE WJ, DE WET T.
Lulu smoothers on online data
South African Statistical Journal 2012; 46 : 185-220.
VAN DER MERWE CJ, CONRADIE WJ.
Calculation aspects of the European rebalanced basket option using Monte Carlo methods: Valuation
ORiON: Journal of the Operations Research Society of South Africa 2012; 28(1) : 1-18.
DE WET T, GOEGEBEUR Y, GUILLOU A.
Weighted Moment Estimators for the Second Order Scale Parameter
Methodology and Computing in Applied Probability 2012; 14 : 753-783.
DE WET T, GOEGEBEUR Y, MUNCH MR.
Asymptotically unbiased estimation of the second order tail parameter
Statistics & Probability Letters 2012; 82 : 565-573.
DE WET T, TEUGELS JL, VAN DEVENTER PJU.
The Cape Town Carillon: A Forgotten Heritage
South African Journal of Cultural History 2012; 26(2) : 31-60.
GOEGEBEUR Y, DE WET T.
Local Estimation of the Second-Order Parameter in Extreme Value Statistics and Local Unbiased Estimation of the Tail Index
Communications in Statistics-Theory and Methods 2012; 41 : 3575-3607.
GOEGEBEUR Y, DE WET T.
Estimation of the third-order parameter in extreme value statistics
Test 2012; 21 : 330-354.
LUUS R, NEETHLING A, DE WET T.
Effectiveness of Weighting and Bootstrap in the Estimation of Welfare Indices under Complex Sampling
South African Statistical Journal 2012; 46 : 85-114.
COETZER RL, ROUSSOUW RF, LE ROUX NJ.
Efficient maximum distance designs for experiments in mixtures
Journal of Applied Statistics 2012; 39(9) : 1939-1951.
LOUW N.
Robust kernel fisher discriminant analysis with weighted kernels.
South African Statistical Journal 2012; 46 : 267-298.
2011
STEEL SJ, LOUW N, BIERMAN S.
Variable Selection for Kernel Classification
Communications in Statistics-Simulation and Computation 2011; 40 : 229-246.
VAN HEERDEN A, LE ROUX NJ, SWART J, RYPSTRA T, GARDNER S, BOTHA A.
Chemical alterations induced by Pycnoporus sanguineus/Aspergillus flavipes co-cultures in wood from different tree species
Wood Science and Technology 2011; 45 : 237-248.
BURGER BV, VIVIERS MZ, LE ROUX NJ, MORRIS J, BEKKER JPI, LE ROUX M.
Olfactory cue mediated neonatal recognition in sheep
Ovis aries. Journal of Chemical Ecology 2011; 37 : 1150-1163.
STEEL SJ, UYS DW.
A variable selection proposal for multiple linear regression analysis
Journal of Statistical Computation and Simulation 2011; 81(12) : 2095-2105.
2010
GOEGEBEUR Y, BEIRLANT J, DE WET T.
Generalized kernel estimators for the Weibull-tail coefficient
Communications in Statistics-Theory and Methods 2010; 39 : 3695-3716.
GOEGEBEUR Y, BEIRLANT J, DE WET T.
Kernel estimators for the second order parameter in extreme value statistics
Journal of Statistical Planning and Inference 2010; 140 : 3695-3716.
DU PLESSIS M, LE ROUX NJ, GARDNER S, SWART JPJ, RYPSTRA T.
The pulp and paper properties of Sirex noctilio infested and fire damaged thermo-mechanically pulped, South African grown Pinus patula
Journal of Statistical Planning and Inference 2010; 72(3/4) : 173-179.
LOUW N, STEEL SJ, LAMONT MMC.
Identifying influencial cases in Kernel Fisher Discriminant Analysis by Using the Smallest Enclosing Hypersphere
32nd Annual Conference of the German Classification Society (Advances in data analysis, data handling and business intelligence), Helmut-Schmidt-University, Hamburg, Germany, Springer 2010: 363-371.
VAN DEVENTER PJU, MANNA Z G.
An easy and low cost option for economic statistical process control using Excel
ORION: Journal of the Operations Research Society of South Africa 2010; 25(1) : 1-15.
RAMJEE S, MCLEOD H.
Private Sector perspective on National Health Insurance
In South African Health Review HEALTH SYSTEMS TRUST, DURBAN, South Africa, 2010: 179-194.
VILJOEN H, NEL DG.
Common singular spectrum analysis of several time series
Journal of Statistical Planning and Inference 2010; 140 : 260-267.
OOSTHUIZEN S, STEEL SJ.
Variable Selection for Kernel Classifiers: A Feature-To-Input space approach
32nd Annual Conference of the German Classification Society (Advances in data analysis, data handling and business intelligence), Helmut-Schmidt-University, Hamburg, Germany, Springer 2010: 157-166.
UYS DW, STEEL SJ.
Using a Truncated Cp Statistic for Variable Selection in Multiple Linear Regression
Communications in Statistics-Simulation and Computation 2010; 39(2) : 420-432.
UYS DW, STEEL SJ.
The relationship between cross-sectional volatility, tracking-error and active positions: The case for South Africa
Corporate Ownership and Control 2010; 7(3) : 219-227.
2009
CONRADIE WJ, DE WET T, JANKOWITZ M.
Performance of nonlinear smoothers in signal recovery
Applied Stochastic Models in Business and Industry 2009; 25(4) : 425-444.
BIERMAN S, STEEL SJ.
Variable Selection for Support Vector Machines
Communications in Statistics-Simulation and Computation 2009; 38(8) : 1640-1658.
LA GRANGE AM, LE ROUX NJ, GARDNER S.
Biplot GUI: Interactive biplots in R.
Journal of Statistical Software 2009; 30(12) : 1-37.
GARDNER S, LE ROUX NJ, MAUNDERS H, SHAH V, PATHWARDHAN S.
Biplot methodology in exploratory analysis of microarray data
Statistical Analysis and Data Mining 2009; 2(2) : 135-145.
SCHEEPERS GC, LE ROUX NJ, GARDNER S, RYPSTRA T.
Discolouration during kiln drying of South African Pinus elliottii
Journal of the Institute of Wood Science 2009; 19(2) : 57-68.
2008
GOEGEBEUR Y, BEIRLANT J, DE WET T.
Linking Pareto-tail kernel goodness-of-fit statistics with tail index at optimal threshold and second order estimation
REVSTAT - Statistical Journal 2008; 6(1) : 51-69.
CLOVER R.
Taxation of life insurance in South Africa revisisted
South African Actuarial Journal 2008; 8 : 1-34.
DE WET T.
Kwadratiese vorme in stogastiese veranderlikes/ Quadratic forms in random variables
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Technologie 2008; 27(3) : 5-22.
DU PLESSIS M, LE ROUX NJ, GARDNER S, SWART JPJ, RYPSTRA T.
The effect of Sirex noctilio infestation and fire damage on the chemical composition of South African-grown Pinus patula pulpwood
Southern Forests 2008; 70(3) : 215-220.
GARDNER S, LE ROUX NJ, GOWER JC.
Measures of fit in principal component and canonical variate analyses
Journal of Applied Statistics 2008; 35(9) : 947-965.
LOUW N, LAMONT MMC, STEEL SJ.
Identification of Influential Cases in Kernel Fisher Discriminant Analysis
Communications in Statistics-Simulation and Computation 2008; 37 : 2050-2062.
VAN HEERDEN A, LE ROUX NJ, SWART J, GARDNER S, BOTHA A.
Assessment of wood degradation by Pycnoporus sanguineus when co-cultured with selected fungi
World Journal of Microbiology & Biotechnology 2008; 24 : 2489-2497.
WALTERS IS, LE ROUX NJ.
Monitoring gender remuneration inequalities in academia using biplots
Orion: Operations Research in South Africa 2008; 24(1) : 49-73.
LOUW N, LAMONT MMC, STEEL SJ.
Identification of Influential Cases in Kernel Fisher Discriminant Analysis
Communications in Statistics-Simulation and Computation 2008; 37 : 2050-2062.
STEEL SJ.
Statistiese model seleksie/ Statistical Model Selection
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Technologie 2008; 27(3) : 38-56.
2007
ARNOLD G, GOWER JC, GARDNER S, LE ROUX NJ.
Biplots of free-choice-profile data in Generalized Orthogonal Procrustes Analysis
Journal of the Royal Statistical Society Series C-Applied Statistics 2007; 56(4) : 445-458.
MOSTERT PJ, BEKKER A, ROUX JJJ.
Shrinkage estimation of the lifetime parameters in the Rayleigh model using an empirical Bayesian approach
International Journal of Statistics and Management Systems 2007; 1(1-2) : 142-158.
SLATTERY PG, KEMP HJ.
Options for the development of the education and professional qualification of South African actuaries
South African Actuarial Journal 2007; 7 : 1-47.
STEEL SJ, UYS DW.
Variable selection in multiple linear regression: The influence of individual cases
Orion: Operations Research in South Africa 2007; 23(2) : 123-136.
LOUW N, LAMMONT MMC, STEEL SJ.
Identification of Influential Cases in Kernel Fisher Discriminant Analysis
Variable selection in multiple linear regression: The influence of individual cases
Orion: Operations Research in South Africa 2007; 23(2) : 123-136.
GOVENDER P, KAMBARAN N, PATCHETT N, RUDDLE A, TORR G, VAN ZYL N.
Poverty and inequality in South Africa and the world
South African Actuarial Journal 2007; 7 : 117-160.
VILJOEN H, NEL DG.
Common Singular Specgtrum Analysis of Time Series: A new approach to investigate common structure of series
Lissabon, ISI 2007: 0.
2006
BEIRLANT J, DE WET T, GOEGEBEUR Y.
A goodness-of-fit statistic for Pareto-type behaviour
Journal of Computational and Applied Mathematics 2006; 186 : 99-116.
DU TOIT C, CONRADIE WJ.
A realised volatility measurement using quadratic variation and dealing with microstructure effects
Orion: Operations Research in South Africa 2006; 22(2) : 117-129.
GARDNER S, GOWER JC, LE ROUX NJ.
A synthesis of canonical variate analysis, generalised canonical correlation and Procrustes analysis
Computational Statistics & Data Analysis 2006; 50 : 107-134.
LE ROUX NJ, GARDNER S.
A biplot based approach to discriminant analysis with categorical variables in the presence of reversals
South African Statistical Journal 2006; 10(1) : 1-31.
LOUW N, STEEL SJ.
Variable selection in kernel Fisher discriminant analysis by means of recursive feature elimination
Computational Statistics & Data Analysi 2006; 51 : 2043-2055.
STEEL SJ, UYS DW.
Influential data cases when the Cp criterion is used for variable selection in multiple linear regression
Computational Statistics & Data Analysi 2006; 50 : 1840-1854.
2005
CONRADIE WJ, DE WET T, JANKOWITZ M.
An overview of LULU smoothers with Application to Financial Data
Journal for Studies in Economics and Econometrics 2005; 29(1) : 97-121.
GARDNER S, LE ROUX NJ, ALDRICH C.
Process data visualisation with biplots
Minerals Engineering 2005; 18 : 955-968.
GARDNER S, LE ROUX NJ, RYPSTRA T, SWART JPJ.
Extending a scatterplot for displaying group structure in multivariate data: A case study
GARDNER S, LE ROUX NJ, RYPSTRA T, SWART JPJ.
GARDNER S, LE ROUX NJ.
Extensions of Biplot Methodology to Discriminant Analysis
Journal of Classification 2005; 22 : 59-86
LE ROUX NJ, GARDNER S, ALDRICH C.
Biplot Analysis of Process Systems
Transactions of the South African Institute of Electrical Engineers/ Handelinge Van Die Suid-Afrikaanse Instituut Van Elektriese Ingenieurs 2005; 96(4) : 253-258.
LE ROUX NJ, GARDNER S.
Analysing your multivariate data as a pictorial: A case for Applying Biplot Methodology
International Statistical Review 2005; 73 : 365-387.
LE ROUX NJ, HAMMAN WD, DE VILLIERS JU, JOUBERT C.
The influence of the nature of an enterprise’s activities on earnings per share and cash flow per share as determinants of share prices
Journal for Studies in Economics and Econometrics 2005; 29(1) : 61-81.
LOUW N, STEEL SJ.
A Review of Kernel Fisher Discriminant analysis for statistical classification
South African Statistical Journal 2005; 39 : 1-21.
VAN VUUREN JO.
Simultaneous identification of influential subsets and variable selection using quantabilities
South African Statistical Journal 2005; 39(1) : 35-58.
WURZ SJD, VAN PEER P, LE ROUX NJ, GARDNER S, DEACON HJ.
Continental Patterns in Stone Tools: A Technological and Biplot-Based Comparison of Early Late Pleistocene Assemblages from Northern and Southern Africa
African Archaeological Review 2005; 22(1) : 1-24.
2004
ALDRICH C, GARDNER S, LE ROUX NJ.
Monitoring of metallurgical process plants by using biplots
Aiche Journal 2004; 50(9) : 2167-2186.
BEIRLANT J, DE WET T, GOEGEBEUR Y.
Nonparametric estimation of extreme conditional quantiles
Journal of Statistical Computation and Simulation, 74:8, 567-580, DOI: 10.1080/00949650310001623407.
BOTHMA A, BOTHA HL, LE ROUX NJ.
School results and access test results as indicators of first-year performance at university
Orion: Operations Research in South Africa 2004; 20(1) : 73-88.
DE JONGH PJ, DE WET T, VAN DEVENTER PJU.
Saddlepoint approximations for the distribution of regression quantiles
South African Statistical Journal 2004; 38(1) : 59-78.
DE WET T.
Statistical adjustment of tidal gauge data
South African Statistical Journal 2004; 38 : 79-91.
JOUBERT C, LE ROUX NJ, DE VILLIERS JU, HAMMAN WD.
Earnings per share and cash flow per share as determinants of share prices in different phases of the economic business cycle as measured by the bootstrap applied to Demsetz’s method
Journal for Studies in Economics and Econometrics 2004; 28(1) : 89-118.
KROON RS, OMLIN CW.
Getting to Grips with Support Vector Machines: Application
South African Statistical Journal 2004; 38 : 159-172.
LE ROUX NJ, BOTHMA A, BOTHA HL.
Statistical properties of indicators of first-year performance at university
Orion: Operations Research in South Africa 2004; 20(2) : 161-178
MOSTERT JH, MOSTERT FJ, STEEL SJ.
Belangrikheid van arbeidsverwante risikofaktore vir beleggingsbesluitneming insake die bate-allokasie van langtermynversekeraars
Tydskrif vir Geesteswetenskappe 2004; 44(1) : 62-71.
STEEL SJ, OOSTHUIZEN S, UYS DW.
A measure of post variable selection error in multiple linear regression, and its estimation
Journal of Statistical Computation and Simulation 2004; 74 : 123-133.
2003
DE JONGH PJ, DE WET T.
Small sample performance of extreme regression quantiles
South African Statistical Journal 2003; 37 : 79-104.
DE VILLIERS JU, HAMMAN WD, JOUBERT C, LE ROUX NJ.
Earnings per share and cash flow per share as determinants of share value: Tests of significance using the bootstrap with Demsetz’s method
Journal for Studies in Economics and Econometrics 2003; 27(1) : 95-125.
ERASMUS PD, LE ROUX NJ, GARDNER S, LAMBRECHTS IJ.
The evaluation of traditional and value-added measures of capital intensity
Portfolio management practices of investment practitioners active in the long-term insurance industry
South African Journal of Economic and Management Sciences 2001; 4(2):344-358.
STEEL SJ, LOUW N.
Variable selection in discriminant analysis: measuring the influence of individual cases
Computational Statistics and Data Analysis 2001; 37:249-260
VAN DER BERG S, WOOD LC & LE ROUX NJ.
Differentiation in black education
Development Southern Africa 2001; (In Press).
YADAVALLI, VSS, BEKKER A, MOSTERT PJ & BOTHA M.
Bayesian estimation of the stationary rate of disappointments for a model of a two-unit intermittently used system
Pakistan Journal of Statistics 2001; 17(2), 117-125.
YADAVALLI VSS, BEKKER A, MOSTERT PJ & BOTHA M.
Bayesian highest posterior density intervals for the availability of a system with ‘rest-period’ for the repair facility
South African Journal of Industrial Engineering 2001; 12(2), 17–24.
MOSTERT PJ, BEKKER A & ROUX JJJ.
A Bayesian method to analyse cancer survival times using the Weibull model
2001. The sixth world Meeting of the International Society for Bayesian Analysis. Proceedings of ISBA 2000 – Bayesian Methods with applications to Science, Policy and Official Statistics. Selected papers from ISBA 2000: 371-380.
MOSTERT PJ, BEKKER A, YADAVALLI VSS & BOTHA M.
The study of the posterior distribution of the stationary rate of disappointments for an intermittently used two-unit cold standby system
2001. Proceedings of the Xth International Symposium on Applied Stochastic Models and Data Analysis, Selected Papers from ASMDA, Volume 2, 767-772.
MOSTERT PJ, BEKKER A, YADAVALLI VSS & BOTHA M.
Variable selection in discriminant analysis in the presence of outliers
23rd International Conference on Information Technology Interfaces. Proceedings of the 23rd International Conference on Information Technology Interfaces. Pula, Croatia, June 2001. 251-256.
2000
DE WET, T.
2000 Invited discussion of “Contributions of empirical and quantile processes to the asymptotic theory of goodness-of-fit tests”
by del Barrio, E, Cuesta-Albertos JA and Matran, C (2000), TEST 9, 1-96.
BEKKER, A., ROUX, J.J.J and MOSTERT, P.J.
A generalization of the compound Rayleigh distribution: Using Bayesian methods on cancer survival times
Communications of Statistics – Theory and Methods 2000; 29(7), 1419-1433.
