Engineering Blog

26 Aug 2013

Bayesian A/B Testing with a Log-Normal Model

In my first blog post I introduced the general framework of Bayesian testing, and went into the gory details on how to make it happen with binary data: 0, 1, 0, 1, 0, 0, 0... In the second blog post I went over how to do these kinds of tests on normally distributed data.  But what... View Article

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21 May 2013

Hack Week 2013 Project: I Know Where You Are

RichRelevance hosted Hack Week Spring 2013 from April 29th – May 3rd.  It was an exciting week filled with fresh ideas and new ways of doing things.  For our second {rr} Hack Week, 25 team members participated on 14 different projects which dealt with everything from runtime distributed cache research to real-time informative wallboards. Team... View Article

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21 May 2013

Bayesian A/B Tests

Here at RichRelevance we regularly run live tests to ensure that our algorithms are providing top-notch performance.  Our RichRecs engine, for example, displays personalized product recommendations to consumers, and the tests we run pit our recommendations against recommendations generated by a competing algorithm, or no recommendations at all.  We test for metrics like click-through-rate, average... View Article

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