Dec
21st
Fri
21st
How to win the Netflix 1,000,000$ prize?
Yahuda Koren, one of the winners of the Netflix game so far, was nice enough to send me a pointer to a recent paper he wrote, Chasing $1,000,000: How we won the Netflix progress prize (link is to PDF document, see 4th page and following).
Their approach is based on the linear combination of large number of predictors. Their work is difficult to summarize because it is so sophisticated and complex. Nevertheless, it might be useful to try to see what lessons can be learned.
First, some…
