A/B Testing and the Need for Clear Business Objectives

The website http://videolectures.net/ contains a wealth of interesting lectures on a wide variety of topics, including data mining. I was reminded of one today by Ronny Kohavi entitled  “Practical Guide to Controlled Experiments on the Web: Listen to Your Customers not to the HiPPO” It’s short (only 23 minutes) and filled with some very good common-sense principles.
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