Blog
Open Courseware 2014 Conference
I am in lovely Ljubljana, capital of the small country of Slovenia, for the 2014 Open Coursware Global Conference. The development of open edcational resources is here to stay and it is interesting to hear and see how various universities have...
OCW Consortium 2014 Award
I'm honoured to announce that I have been awarded the Open CourseWare Consortium 2014 Award for the category Individual Educator for my work on open education. Previous award winner, Walter Lewin, Physicist at MIT, has been an inspiration and hero of mine...
World Design Capital 2014
In 2013 during a call for submissions to the World Design Capital (WDC) 2014 campaign, I submitted a proposal to improve the health and well-being of the patients admitted to my unit at Groote Schuur Hospital by means of redesign and update. The ward is home to the...
Most Popular Posts
Assumptions for the use of parametric tests in R
In this post I discuss some of the assumptions that must be met for the use of parametric statistical tests. The post contain snippets in the R statistical programming language to help visualize the concepts and to show how these assumptions are tested. Click on the...
Course on SPSS for medical statistics
At a recent meeting of fellow surgeons in my department, an interesting difference of opinion arose. It relates to our trainees’ knowledge of statistics. Unfortunately, the meeting did not allow any time to properly discuss the topic. Some background to illuminate...
Sharing your machine learning models with others
So, you've spent a lot of time and effort in creating your python machine learning model. The parameters have been tweaked and the metrics look great. Now what? How do you share it with others to use? Well, one easy way it to pickle it. The...