Kaggle has hosted several data mining competitions, similar to the Netflix prize, but recently announced a new and big one. It’s called the Heritage Health Prize and the prize has been set at $3M. The focus on the prize is being able to predict when a person needs to go to the hospital before they actually make a visit. Here’s some more info from O’Reilly Radar. And here is Anthony Goldbloom of Kaggle announcing the contest at the Strata Conference…