Manax comments on How to pick your categories - Less Wrong

59 [deleted] 11 November 2010 03:13PM

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Comment author: Manax 12 November 2010 06:30:24PM *  1 point [-]

I spent some time learning about this, when I was dabbling with the Netflix contest. There was a fair bit of discussion on their forum regarding SVD & related algorithms. The winner used a "blended" approach, which weighted results from numerous different algorithms. The success of the algorithm was based on the RMSE of the predictions compared with a test set of data.