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http://online.wsj.com/article/SB10001424052702304636404577299702668540234.html?mod=WSJ_hpp_MIDDLE_Video_Third Quote: At their presentation in Phoenix, summarizing research for a paper to be finished soon, they compared the world ranking of the top 200 players to a ranking of those same players' skill levels calculated using a statistical model they also devised, which simultaneously takes into account players' adjusted tournament scores and the difficulty of the courses. In every two-year period going back to 2003, the bias was stark. "For every given skill ranking, the off