Be careful how you average - a retail example

Companies often want to track things like the size of first orders and the size...
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Setting Up Control Groups - Designing a Marketing ...

Welcome to Part Three of our series on designing and implementing a successful...
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Setting a baseline – Designing Marketing ...

In Part Two of our series on designing and implementing a successful marketing...
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Formulating A Hypothesis - Designing Marketing ...

The job of any marketing department is to develop effective ways of reaching...
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A Bayesian Approach to A/B Testing

A/B testing is a useful tool to determine which page layout or copy works best...
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Competiton: Projecting Pebble Sales

Two weeks into the month-long campaign the Pebble has become the highest ...
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Story

Objective C-like Null Object Pattern in Ruby

At Custora we allow all the numbers on the screen to be lazy-loaded. We...
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