The index of an index is confusion
The puzzle of negative numbers
Business
The reality is most A/B tests fail, and Facebook is here to help
Two years ago, Wired breathlessly extolled the virtues of A/B testing
Talking shop about probability
It strikes me that the media loves to talk about probability, a
Reality check on the long tail
Another over-sold story?
Toward a more useful definition of Big Data
The article (link) in Science about the failure of Google Flu Trends
Setting the right priority
A classic Excel chart has some basic construction issues