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Daniel R. Graettinger's Blog (2)

Article: Using Data Mining Techniques to Predict the Winter Olympics Medal Counts

Can data mining techniques accurately predict the medal counts at the Olympics?  This question came into mind four years ago while I was watching the Winter Games in Vancouver.  I knew that a predictive model could give us an estimate of the number of medals each nation might win; but how close could we get to the actual outcomes? It was a tantalizing project ….      …

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Added by Daniel R. Graettinger on January 24, 2014 at 1:23pm — No Comments

Article: Data Mining Misconceptions - The 50/50 Problem

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.

Data Mining Misconceptions #1: The 50/50 Problem…

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Added by Daniel R. Graettinger on November 8, 2012 at 5:00pm — 2 Comments

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