SEMINAR PROGRAM: SECOND SEMESTER 2013

Stellenbosch University

Department of Statistics and Actuarial Science

2 August

Johan Hugo (Department of Statistics, NMMU)

Bayesian tolerance intervals for the univariate normal model

16 August

Wesley Pretorius (Old Mutual, Cape Town)

Non-parametric regression modelling of in situ in the Southern ocean

30 August

Micheal von Maltitz (Department of Mathematical Statistics and Actuarial Science, University of the Free State)

The implementation and testing of a robust model for sequential regression multiple imputation

20 September

Stéfan van der Walt (Department of Electrical and Electronic Engineering, University of Stellenbosch)

A random walk in image processing

4 October

Inger Fabris-Rotelli (Department of Statistics, University of Pretoria)

Statistical image processing

18 October

Linda Haines (Department of Statistical Sciences, University of Cape Town)

Random walks and Efron’s biased coin design

1 November

SASA Western Cape Chapter lecture:

Peter McCullagh (Department of Statistics, University of Chicago)

Statistical issues in specific scientific applications

Part A: Phonemic diversity and the "Out of Africa" hypothesis

Part B: Allergy prevalence and environmental biodiversity

SEMINAR PROGRAM: FIRST SEMESTER 2013

Stellenbosch University

Department of Statistics and Actuarial Science

15 February

Delson Chikobvu (Department of Statistics, University of the Free State)

Application of Bayesian statistics in process capability indices

1 March

Lucette van Niekerk (Paul Roos Gimnasium, Stellenbosch)

’n Oorsig van Wiskunde en Statistiek onderrig op skoolvlak

15 March

Manie Geyer (Centre for Regional and Urban Innovation and Statistical Exploration, Department of Geography and Environmental Studies, SU)

Trends in South African metropolitan morphology

12 April

Zurab Janelidze (Department of Mathematics, SU)

Mathematics today: form and function

26 April

Francois van Graan (School of Computer Science, Statistics and Mathematics, North-West University)

The use of copulas in time series analysis

10 May

Janette Larney (Centre for Business Mathematics and Informatics, North-West University)

Market consistent models for valuing investment guarantees: the case of implied volatility

SEMINAR PROGRAM: SECOND SEMESTER 2012

Stellenbosch University

Department of Statistics and Actuarial Science

3 August

Pravesh Debba (CSIR, Pretoria)

Optimal spatial sampling designs

17 August

Hannes Koegelenberg (Standard Bank, Johannesburg)

Optimal asset allocation for South African pension funds under the revised Regulation 28

31 August

Marius Cronje (Stats SA, Cape Town)

An overview of Stats SA activities

21 September

Franck Adekambi (School of Statistics & Actuarial Science, WITS)

Ruin probability in health care insurance pricing with constant force of interest

5 October

Paul Fatti (School of Statistics & Actuarial Science, WITS)

More problems from statistical consulting

19 October

Francois Botha (Novare, Belville)

Using a dynamic benchmarking approach to measure South African equity managers’ skill

SEMINAR PROGRAM: FIRST SEMESTER 2012

Stellenbosch University

Department of Statistics and Actuarial Science

17 February

Makarand Ratnaparkhi (Department of Mathematics and Statistics, Wright State University, Dayton, Ohio)

Certain  properties of weighted lognormal distributions and related applications in statistical inference

2 March

James Allison (School of Computer Science, Statistics and Mathematics,  North-West University)

On the joint distribution of the ranks associated with bivariate data with application to the empirical copula estimator

16 March

Lizanne Raubenheimer (Department of Statistics, Rhodes University)

Bayesian estimation for linear functions of Poisson rates

30 March

Roelof Coetzer (SASOL)

Design and analysis of mixture experiments: physical and computer experiments

20 April

Monique Zaahl (Department of Genetics, Stellenbosch University)

Statistics in biology: challenges and opportunities

11 May

Chris Muller (Department of Statistics, Stellenbosch University)

Bayesian multi-state modelling

SEMINAR PROGRAM: SECOND SEMESTER 2011

Stellenbosch University

Department of Statistics and Actuarial Science

29 July

Carel van der Merwe (Ernst & Young, Johannesburg)

Calculation aspects of the European rebalanced basket option using Monte Carlo methods

12 August

Mohammad Arashi (Shahrood University of Technology, Shahrood, Iran)

Bayesian statistical inference in elliptical models

26 August

Theo Pepler (Department of Genetics, Stellenbosch University)

Common principal components

16 September

Tiaan van der Merwe (SPSS South Africa, Tokai)

Predictive analytics: Real world applications

30 September

Gavin Miller (Department of Social Development, Provincial Government of the Western Cape)

The use and abuse of statistics in decision making

14 October

Davy Corubolo (Department of Statistics and Actuarial Sciences, Stellenbosch University)

Financial crisis – cause and effects

SEMINAR PROGRAM: FIRST SEMESTER 2011

Stellenbosch University

Department of Statistics and Actuarial Science

11 February

Tchilabalo Kpanzou (Department of Statistics, Stellenbosch University)

Semi-parametric estimation of inequality measures

25 February

Howard Gabriels (The Statistics Council, Pretoria)

Towards the National Statistical System: The role of official statistics in South Africa

11 March

Justin Harvey (Centre for statistical consultation, Stellenbosch University)

Bayesian confidence intervals for the mean of a lognormal distribution: A comparison with the MOVER and generalized confidence interval procedures

1 April

Sonali Das (Logistics and Quantitative Methods, CSIR, Pretoria)

Investigating structural breaks in groundwater level from Limpopo WMA

15 April

Nic Labadorios (Sentigol, Brackenfell)

Using statistics to fight corruption: A discussion forum

6 May

Frederik Scholtz (Department of Physics, Stellenbosch University)

Noncommutative statistics

SEMINAR PROGRAM: SECOND SEMESTER 2010

Stellenbosch University

Department of Statistics and Actuarial Science

30 July

Stephen Reid (Department of Statistics, Stellenbosch University)

LICSA: Leading indicators of currency crises in South Africa: A comparison of three machine learning techniques

13 August

Barry Green (AIMS, Muizenberg)

On the African Institute for Mathematical Sciences and the opportunities it offers

27 August

JD van Heerden (Department of Statistics, Stellenbosch University)

The relationship between cross-sectional volatility, tracking error and active positions: The case for South Africa

17 September

Mark Freed (CoZero, Johannesburg)

The price of carbon

8 October

Retha Luus (Department of Statistics, Stellenbosch University)

Confidence intervals for welfare indices under complex sampling

22 October

Ivona Contardo (Department of Statistics, Stellenbosch University)

Designing Phase I control charts

SEMINAR PROGRAM: FIRST SEMESTER 2010

Stellenbosch University

Department of Statistics and Actuarial Science

5 February

Jef Teugels (Department of Mathematics, Katholieke Universiteit Leuven)

Change point methods in extreme value analysis

19 February

Eugene Visagie (Novare Holdings, Bellville)

Africa as an investment destination and its unique risks

5 March

Schalk Human (Department of Statistics, Pretoria University)

Nonparametric  Shewhart-type control charts with runs-rules

26 March

Martin Kidd (Centre for statistical consultation, Stellenbosch University)

Analysis of Likert scale data:  A new proposed ordinal discreet distribution

16 April

Gunther Jager (Department of Statistics, Rhodes University)

Prediction of secondary structure of proteins

23 April

Robert Schall (Department of Statistics, Free State University)

Parametric and nonparametric characterization of QT prolongation

SEMINAR PROGRAM: SECOND SEMESTER 2009

Stellenbosch University

Department of Statistics and Actuarial Science

31 July

Olapade Kehinde (Department of Mathematics, Obafemi Awolowo University, Ile-Ife, Nigeria)

On generalizations and characterizations of the logistic distribution and their applications

14 August

Yuri Goegebeur (Department of Mathematics and Computer Science, University of Southern Denmark, Odense, Denmark)

Kernel estimators for the second order parameter in extreme value statistics

4 September

Cay van der Merwe (Information Management, Central University of Technology, Free State)

The statistician in higher education institutional research

18 September

Stan du Plessis (Department of Economics, Stellenbosch University)

A wavelet analysis of South African macroeconomic time series

2 October

Vincent Micali (Corporate Services Division, Eskom)

Sequential random sampling for corona and hot-spot detection on transmission lines

16 October

Wickes Robbertse (Department of Statistics, Johannesburg University)

On the estimation of the Hurst exponent in long-memory time series

SEMINAR PROGRAM: FIRST SEMESTER 2009

Stellenbosch University

Department of Statistics and Actuarial Science

13 February

Machiel Kruger (Centre for Business Mathematics and Informatics, North-West University)

Calculating economic capital for low default portfolios

27 February

Delia North (Statistics Department, University of KwaZulu-Natal)

Optimising the probability that the new breed of students will understand the concept of probability

13 March

Anthony la Grange (Statistics Department, Stellenbosch University)

New-look biplot axes and software to construct them

27 March

Samuel Manda (Medical Research Council, Pretoria)

A Bayesian survival model using weighted observations from non-proportionally sampled strata

17 April

Kevin Kotze ( Economics Department, Stellenbosch University)

Formulating a macro econometric model for the South African economy

8 May

Tom Berning (Statistics Department, Stellenbosch University)

An empirical Bayes estimate of the extreme value index in an ANOVA setting

SEMINAR PROGRAM: SECOND SEMESTER 2008

Stellenbosch University

Department of Statistics and Actuarial Science

3 June

Alta de Waal (CSIR, Pretoria): An evaluation framework for topic models

Kerrie Mengersen (School of Mathematical Sciences, Queensland University of Technology, Australia): The role of priors in Bayesian analysis of complex problems

Sandra Johnson (School of Mathematical Sciences, Queensland University of Technology, Australia): Bayesian Network modelling of ecological issues

25 July

Ronelle van Niekerk (Perinatal HIV Research Unit, WITS): Biostatistics in HIV/AIDS research

15 August

Renette Blignaut (Department of Statistics, UWC): Exploring risk behaviour of first-year students - the effect of weighting survey data

29 August

Morné Lamont (Department of Statistics, Stellenbosch University): Statistical applications of the smallest enclosing hypersphere

19 September

Arnold Muller (Departement Wiskunde, Universiteit van Stellenbosch): Reële getalle

3 October

Paul Fatti (School of Statistics and Actuarial Science, WITS): Some problems in Statistical Consulting

17 October

Karen Marais (Department of Industrial Engineering, Stellenbosch University): Optimal maintenance strategies

SEMINAR PROGRAM: FIRST SEMESTER 2008

Stellenbosch University

Department of Statistics and Actuarial Science

15 February

Nico F Laubscher (InduStat Pro, Stellenbosch)

Text mining.

22 February

Andréhette Nel (Department of Statistics, University of the Free State)

The modelling of multivariate extreme values through spectral densities.

7 March

Gary Sharp (Department of Statistics, NMMU)

Error correction models: Using an information criterion approach.

14 March

Jef Teugels (Department of Mathematics, Katholieke Universiteit Leuven)

Probabilistic proofs of real inversion formulas.

4 April

Christien Thiart (Department of Statistics, UCT)

GIS, Gondwana and spatial modelling.

18 April

Carl du Toit and Dewald van Deventer (Gauss and Sons, Stellenbosch)

A Markov approach to bad debt prediction.

9 May

Stephan Krygsman and Hannelie Nel (Department of Logistics, SU)

Spatial interaction in South Africa: A quantitative analysis of the travel data.

SEMINAARPROGRAM: TWEEDE SEMESTER 2007

Departement Statistiek en Aktuariële Wetenskap

Universiteit Stellenbosch

27 July

Rob Clover (Department of Statistics and Actuarial Science, Stellenbosch University) Taxation of life insurance.

17 Augusts

Ray Carroll (Department of Statistics, Texas A&M University) Semi-parametric methods for gene-environment case-control studies.

31 Augusts

Hermi Boraine (National Advisory Council on Innovation) Role of statistics in monitoring the South African national system of innovation.

28 September

Ariane Neethling (School of Science and Technology, Stellenbosch University) The effect of using complex sampling in practice.

12 October

Dries de Wet (ABSA) Statistical models and credit risk.

26 October

Stan du Plessis (Department of Economics, Stellenbosch University) Near or far: A paradox about the potential proximity between econometric models and the data generating process.

SEMINAARPROGRAM 2007

Departement Statistiek en Aktuariële Wetenskap – Eerste Semester

Universiteit Stellenbosch

9 Februarie

John Hargrove (SACEMA - Stellenbosch) Can we estimate HIV incidence from cross-sectional data

23 Februarie

Theo Winter (SORTINO Fund Managers) The use of financial derivative instruments in structured investments products

16 Maart

Andrew Dale (Statistics - U KwaZulu-Natal) Thomas Bayes: A look at his life and work

30 Maart

Martin Kidd (SSK - U Stellenbosch) Data analysis in the social sciences: Some issues around Likert scale data, Cronbach alpha, SEM and PLS path analysis

13 April

Jurie vd Heever (Plant- en Dierkunde - U Stellenbosch) Statistics and Palaeontology

18 Mei

Callie Theron (Bedryfsielkunde, U Stellenbosch) The use of structural equation modelling in behaviour research: A research example