There are a lot of SEO studies out there, but not all of them are made equal. Here's how to decide if X is really affected by Y, or merely a coincidence. Every so often the SEO community will erupt ...

Here's another example of the difference between statistical correlation and causation. Maybe it's best to agree on a plausible path of causation before looking for the correlation. That way it avoids ...

With the explosion of interest in Big Data everyone in every department is looking for actionable intelligence. That’s great but there’s a downside: Trying to explain to, say, your VP of sales that ...