When creating a predictive model, data miners need to “tune” it to make the right kind of mistakes.  Setting the cut-off point between ‘promising’ and ‘unpromising’ depends a lot on our client’s biggest concern -- missed opportunities or false alarms.…

Improving our presentation skills will make for happier clients and bosses.  In this article, Tim Graettinger focuses on five crucial practices that will make your next presentation…

Improving our presentation skills will make for happier clients and bosses.  In this article, Tim Graettinger focuses on five crucial practices that will make your next presentation twice as good as your last.…

Is it possible to use data mining techniques to predict how many medals each nation will win at the Olympic Games?  What is it about a nation that allows it to produce Olympic medal-winning athletes?  Why do some countries take home a bundle of medals while others don't?  As we think more and more about it, it quickly becomes clear that the why’s behind the medal counts at the Olympics are complex.…