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06 November 2023 | Story MBALI MABOEA | Photo SUPPLIED
SSAG 2023
The Department of Geography on the UFS Qwaqwa Campus recently played host to the Society of South African Geographers Conference (SSAG 2023), which gathered more than 100 students over three days.

Fostering academic growth, collaboration, and inspiration among students and researchers in the field of geography, the Department of Geography on the UFS Qwaqwa Campus recently played host to the Society of South African Geographers Conference (SSAG 2023), which gathered more than 100 students over three days.

Following a five-year hiatus, the three-day conference comprised student proposal presentations in different fields: human geography, environment geography, geoinformatics, and physical geography, divided into breakaway sessions over two days. Furthermore, day three of the annual conference included an excursion to the Basotho Cultural Village and Clarens. 

The three-day annual student conference focused on different themes presented by two main speakers. The topic of the first keynote speaker, Dr Mahlomola Daemane, General Manager of the SANParks Arid Research Unit, focused on the contemporary conservation, transition, and relevance of science in policy and decision making. 

The second keynote speaker was Dr Felicia Akinyemi, a Marie Sklodowska-Curie Research Fellow affiliated with the Institute of Geography at the University of Bern in Switzerland. Her work focuses on the intersection of geoinformatics, global change, and sustainability. Dr Akinyemi focused her talk on the integrative geospatial methods and metrics for sustainable land use. She introduced different techniques and metrics and gave students insight in early-career African research.

Speaking about the success of the conference, Nthebohiseng Sekhele, Geography Lecturer on the Qwaqwa Campus and chair of the organising committee, said, “The local organising committee was also very impressed with the quality of presentations from our postgraduate students in Geography, as well as the robust discussions that happened during the parallel sessions in the two days of the conference. We had a positive response of physical and online participation from many universities across South Africa. We are pleased that we have achieved our goal with this conference, which is to inspire the next generation of geographers.”

News Archive

Harvard couple to present lectures on Biostatistics and Mathematics at the UFS
2015-12-07


Professor Donald Rubin

Prof Donald Rubin (John L. Loeb Professor of Statistics at Harvard University) and Elizabeth Zell (MStat - mathematical statistician in the Division of Bacterial Diseases) will visit the University of the Free State (UFS) where they will present lectures on their respective work.

Over his prestigious academic career, Prof Don Rubin’s 400 publications and 13 books have earned him around 180 000 citations at an h-index of 113. He is one of the most cited statisticians/mathematicians/economists/psychologists in the world over the last 10 -15 years. He has supervised 35 PhD candidates as sole-supervisor, 17 more as co-supervisor, with a further eight in the pipeline.

Prof Rubin who will meet with UFS academics in the Department of Mathematics and Actuarial Sciences will also deliver a lecture: Rerandomisation to improve covariate balance in experiments.

Randomised experiments are the “gold standard” for estimating causal effects, yet in practice, chance imbalances often exist in covariate distributions between treatment groups. If covariate data are available before units are exposed to treatments, these chance imbalances can be mitigated by first checking covariate balance before the physical experiment takes place. Provided a precise definition of imbalance has been specified in advance, unbalanced randomisations can be discarded, followed by a rerandomisation. This process can continue until a randomisation yielding balance according to the definition is achieved. By improving covariate balance, rerandomisation provides more precise and trustworthy estimates of treatment effects.

Prof Rubin received an honorary professorship from the Faculty of Natural and Agricultural Sciences at the UFS.


Elizabeth Zell

The lecture will take place on:
Date: Tuesday 8 December 2015
Time: 16:00
Venue: Albert Wessels Auditorium, Bloemfontein Campus

Zell earned her Master’s degree in Statistics at North Carolina State University, and for more than two decades, was an active bio-statistical researcher in various offices of the Centers for Disease Control (CDC). Since 2013, she has been the Principal Statistician and President of Stat-Epi Associates, Inc. Her 150+ publications have earned her 14 500 citations at an h-index of over 50. She is a Fellow of the American Statistical Association, and, in 2010, she received the Statistics Section Government Award for outstanding contributions to statistics and public health by the American Public Health Association. During her career at the CDC, she earned more than 20 CDC research awards and honours.

She will deliver two lectures at the UFS. The first is entitled A Potential Outcomes Approach to Documenting the Public Health Impact of the Introduction of PCV13 for the Prevention of Invasive Pneumococcal Disease. The topic of her second lecture is: Assessing the Effectiveness of Intrapartum Antibiotic Prophylaxis for Prevention of Early-Onset Group B Streptococcus Disease through Propensity Score Design

Elizabeth’s lectures will take place on:
Date: Wednesday 9 December 2015
Time: 10:45 and 13:00
Venue: West Block 111, Bloemfontein Campus

For more information, please contact Dr Michael von Maltitz at VMaltitzMJ@ufs.ac.za.

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