November 28, 2009
Nate Silver writes about the dropping cost of air fares - yes, you read that correctly - over at Five Thirty Eight. His writing, as always, is excellent - I only want to point out a chart he uses and how it can be dangerous to draw conclusions at a glance (or, if you prefer, [...]
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September 8, 2009
Google Insights recently rolled out a new feature: 12 month search forecasts. The forecast comes from a relatively simple decomposition of the search volume into trend, seasonal and residual components. The model's out-of-sample performance is tested on the most recent 12 month period; if that prediction proves accurate, then the model is accepted. Here's what [...]
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