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Message: [QUOTE="Plebe, post: 2054041, member: 6927"] [URL="https://fivethirtyeight.com/features/the-ncaa-is-modernizing-the-way-it-picks-march-madness-teams/?ex_cid=story-twitter"]The NCAA Is Modernizing The Way It Picks March Madness Teams[/URL] [INDENT]Late last month, NCAA officials [URL='http://www.espn.com/mens-college-basketball/story/_/id/18468008/ncaa-tournament-officials-meet-analytics-experts-consider-creating-new-metric']met with[/URL] some of basketball’s most prominent analytics experts to remake the way they select teams for the men’s NCAA tournament. Until now, they’ve used the [URL='http://rpiratings.com/WhatisRPI.php']ratings percentage index[/URL] (RPI) to help guide their decisions, but that stat has become antiquated as far more advanced ranking systems have been developed. Efforts to replace the RPI, though, raise a lot of tricky questions. According to multiple people I spoke to who were at the meeting, the NCAA is not interested in generating a completely new metric from scratch. Instead, officials favored using multiple ranking systems to create a composite index that would be a resource on selection Sunday. But as the many controversies around college football’s [URL='https://en.wikipedia.org/wiki/Bowl_Championship_Series']Bowl Championship Series[/URL]showed, developing a new rating, even one made up of accepted metrics, is full of twists and turns, roadblocks and landmines. Finding the right formula will require asking deep philosophical questions about what a ranking system should try to achieve — and whether certain statistical compromises are even possible.[/INDENT] [/QUOTE]

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