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22 February 2018 Photo Supplied
Tennis team countrys fourth-best
The Kovsies first tennis team is from left Cornelius Rall, Lienke de Kock, Reze Opperman and Arne Nel (captain).

The first tennis team of the University of the Free State (UFS) obtained a respectable fourth place at the Top Guns Club event that finished at Sun City on Monday 19 February 2018.

It was the first time the tournament was held where all the provincial tennis champs competed for the honours as national club champions.

The Kovsie team was represented by Cornelius Rall, Lienke de Kock, Reze Opperman and Arne Nel. Arne a veteran who has played for the first team for six years, led the team. They played as men’s doubles, women’s doubles and mixed doubles with optional rotation at the end of each set.

The round robin matches consisted out of three full short sets. Thus, the first team to four games, by a margin of two would win the set.

Student crown to defend
The Free State students topped their pool with three wins from three encounters.

Victories came against Lapésa Tennis Club of the Northern Cape, Wesbank from Eden and Cradock from Eastern Province, all by 3-0.

It set up an encounter with Camps Bay from the Western Cape in the semi-finals which the Kovsies lost by 1-2.

In the play-off for third and fourth place the students came unstuck against Marks Park Tennis Club from Gauteng Central.

The Kovsies will next be in action from 13 to 16 April 2018 again in Sun City in a university challenge tournament which they have won for the previous two years.

They boast an outstanding record in student competitions, having won the University Sport South Africa (Ussa) the last eight years consecutively.

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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