Who will win the Rugby World Cup?

As Yogi Berra, once said: ‘It's tough to make predictions, especially about the future’. Like most future events, it is impossible to know for certain who will win the 2015 Rugby World Cup, but we can estimate probabilities of various outcomes occurring. We do this by building a rating system for international rugby matches and using these ratings to estimate expected score margins (like who will win and by how much.) We can then characterize uncertainty around these predictions.

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How to identify goal scoring ability in football

The transfer market in football is a strange beast. For anyone who doesn't know how it works, clubs are allowed to buy and sell players during two windows each year: one during January (a maximum of four weeks long during the playing season) and another during the summer (approximately from June to the first few days in September, this time with a maximum length of 12 weeks).

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Has the hot hand effect finally been proven?

A popular belief among sportswriters and broadcasters says that a team that's been successful, should be expected to continue that way. It’s known as the ‘hot hand’ (aka ‘momentum’ or ‘streakiness’) and the effect is popularly accepted as being real. But almost every study that has looked for such an effect has failed to find one.