Month: May 2015

What’s behind A/B tests

Andresa de Andrade Digital Analytics May 28, 2015

Well often I’m asked how an A/B test work. So my first saying, which is the most important thing that I’m going to mention here, is: A/B test is not a simple comparison of frequencies. So don’t ever use the terminology A/B test when you are just comparing 2 numbers, like EVER. Now that we
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Central Limit Theorem and Convergence

Andresa de Andrade Data Science, Inference May 20, 2015

This is my first post (yaaay \o/). Sometimes it’s hard to understand the meaning of CLT and convergence. I realized many times when people first hear about these concepts that they actually don’t know what it’s. And they stay this way until they learn (if they learn) more advanced theories. One of the first things
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