Or, at least it does for the first 31 places this week. The changes implemented last year make it very hard to overcome an RPI difference. If you're really confident in what the RPI does, it's alright, i guess, but it makes bracketology pretty boring.
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Pairwise = RPI
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Re: Pairwise = RPI
You are correct, without the record vs TUC it requires a head to head matchup to overcome RPI.Michigan Tech Legend, Founder of Mitch's Misfits, Co-Founder of Tech Hockey Guide, and Creator/Host of the Chasing MacNaughton Podcast covering MTU Hockey and the WCHA.
Sports Allegiance: NFL: GB MLB: MIL NHL: MIN CB: UW CF: UW CH: MTU FIFA: USA MLS: MIN EPL: Everton
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Re: Pairwise = RPI
Originally posted by goblue78 View PostOr, at least it does for the first 31 places this week. The changes implemented last year make it very hard to overcome an RPI difference. If you're really confident in what the RPI does, it's alright, i guess, but it makes bracketology pretty boring.BS UML '04, PhD UConn '09
Jerseys I would like to have:
Skating Friar Jersey
AIC Yellowjacket Jersey w/ Yellowjacket logo on front
UAF Jersey w/ Polar Bear on Front
Army Black Knight logo jersey
NCAA Men's Division 1 Simulation Primer
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Re: Pairwise = RPI
Originally posted by Patman View PostI agree... but its only a matter of time until they find a reason to tweak it. Maybe by then I'll actually get off my butt and do something... probably not, but its a nice dream.
http://www.collegehockeynews.com/new...18_thelast.php
http://www.collegehockeynews.com/new.../27_nomore.php
http://www.collegehockeynews.com/info/?d=krach
Although Pairwise and KRACH do not look terribly different from one another at the moment.
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Re: Pairwise = RPI
Originally posted by Red Cows View PostThe tweak exists. It's called KRACH:
http://www.collegehockeynews.com/new...18_thelast.php
http://www.collegehockeynews.com/new.../27_nomore.php
http://www.collegehockeynews.com/info/?d=krach
Although Pairwise and KRACH do not look terribly different from one another at the moment.Michigan Tech Legend, Founder of Mitch's Misfits, Co-Founder of Tech Hockey Guide, and Creator/Host of the Chasing MacNaughton Podcast covering MTU Hockey and the WCHA.
Sports Allegiance: NFL: GB MLB: MIL NHL: MIN CB: UW CF: UW CH: MTU FIFA: USA MLS: MIN EPL: Everton
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Re: Pairwise = RPI
In the top 16 in Pairwise, KRACH is currently the kindest to Denver, moving them up 3 notches, followed by Michigan Tech and Michigan, moving them both up 2 notches from their current Pairwise standing.
Conversely, it is unkindest to Vermont, moving them down 4 notches followed by Yale, moving them down 3 notches.
No matter what you think of Pairwise or KRACH, either is a far better system than what college football uses.
Polls are an utter joke. At least we all love a sport here where these are used for bragging rights, only.
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Re: Pairwise = RPI
You can't really compare RPI before and after last year's change, since the way RPI is calculated changed significantly.
Rather than comparing the top 31 in PWR to current RPI, compare to the old-style RPI (the first column on USCHO's RPI table). There you'll see that the RPI adjustments (home/away weighting and QWB) have helped Duluth and hurt Miami.
TUC record has effectively been merged into RPI, and the cliff has been eliminated. The new PWR is more reliant on "RPI", but the notion of what RPI is has changed (for the better?). You can still "jump" a team through QWB -- it just happens to be added to RPI (and therefore counts toward the tie breaker for comparisons). I think most would agree that the elimination of the TUC cliff improves to overall ranking system, but sure, perhaps it makes it "pretty boring".
If all you're looking for is exciting comparison flipping, like the TUC cliff of old, KRACH sure isn't the answer. Embracing volatility seems a bit ridiculous.RPI Class of 2012
Visit rpitv.org to watch almost every RPI Hockey home game LIVE, as well as a huge collection of on demand games from this season and seasons past, all for FREE!
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Re: Pairwise = RPI
Originally posted by goblue78 View PostOr, at least it does for the first 31 places this week. The changes implemented last year make it very hard to overcome an RPI difference. If you're really confident in what the RPI does, it's alright, i guess, but it makes bracketology pretty boring.
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Code:As of 9/21/10: As of 9/13/10: College Hockey 6 College Football 0 BTHC 4 WCHA FC: 1
Originally posted by SanTropezMay your paint thinner run dry and the fleas of a thousand camels infest your dead deer.Originally posted by bigblue_dlI don't even know how to classify magic vagina smoke babies..Originally posted by KeplerWhen the giraffes start building radio telescopes they can join too.
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Re: Pairwise = RPI
Originally posted by Red Cows View PostThe tweak exists. KRACH:
http://www.collegehockeynews.com/new...18_thelast.php
http://www.collegehockeynews.com/new.../27_nomore.php
http://www.collegehockeynews.com/info/?d=krach
Although Pairwise and KRACH do not look terribly different from one another at the moment.BS UML '04, PhD UConn '09
Jerseys I would like to have:
Skating Friar Jersey
AIC Yellowjacket Jersey w/ Yellowjacket logo on front
UAF Jersey w/ Polar Bear on Front
Army Black Knight logo jersey
NCAA Men's Division 1 Simulation Primer
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Re: Pairwise = RPI
Mandatory Eastern Bias post.
Of course they're not going to look that different, as many of the games that could have an effect are within the next month and a half. With the TUC cliff gone, there's certainly more of a dependency on my alma mater , but COp and H2H certainly have meaning.
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Re: Pairwise = RPI
The PWR and KRACH are notoriously different for women's D1. The WCHA is stacked and deep with talent (with every NC winner except that of 2014). So the WCHA SOS are off the charts, typically includes all of the top 5 or 6...and top rated teams in the east have SOS in the range of >10. So Wisconsin has only lost to Minnesota...and outside of that beating everyone else. This gives it the same record as BC (who has the best record). UW has a much tougher schedule than BC even if you take Minnesota out of the numbers. Yet, the PWR doesn't have them 1st (as having the best combination of quality wins), it doesn't have them 2nd (after Minnesota), it doesn't even have them 3rd...it has them 4th. That is 4th even though UW has the 2nd toughest schedule in the country and the team at 3rd has the 20th toughest schedule.
Many feel PWR penalizes SOS vs. KRACH.Go Gophers!
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Re: Pairwise = RPI
Originally posted by RHamilton View PostYou can't really compare RPI before and after last year's change, since the way RPI is calculated changed significantly.
Rather than comparing the top 31 in PWR to current RPI, compare to the old-style RPI (the first column on USCHO's RPI table). There you'll see that the RPI adjustments (home/away weighting and QWB) have helped Duluth and hurt Miami.
TUC record has effectively been merged into RPI, and the cliff has been eliminated. The new PWR is more reliant on "RPI", but the notion of what RPI is has changed (for the better?). You can still "jump" a team through QWB -- it just happens to be added to RPI (and therefore counts toward the tie breaker for comparisons). I think most would agree that the elimination of the TUC cliff improves to overall ranking system, but sure, perhaps it makes it "pretty boring".
If all you're looking for is exciting comparison flipping, like the TUC cliff of old, KRACH sure isn't the answer. Embracing volatility seems a bit ridiculous.
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Re: Pairwise = RPI
Originally posted by goblue78 View PostThose are good points, RHamilton, but (a) adding the QWB into RPI really is quite a bit different than having a "QWB measure" which counts as 1 point in the PWR. That leads to exactly the same sort of instability that TUC did, in which a tiny change in the status of team you beat flips a comparison. It's still possible through RPI, but the effect is continuous and therefore reduces volatility; and (b) Volatility isn't valued for its own sake. It's valued for creating genuine dependent paths for teams to get in which make the discrete outcome of discrete games so much more interesting at the end of the season. Those effects are now tiny, other than autobid effects. OK... maybe that *is* valuing volatility for its own sake.
There is a bonus of 0.06 to RPI for winning at Mankato (#1). There is a bonus of 0.002 to RPI for winning at home vs Quinnipiac (#20). There is no bonus for beating #21 and lower.
I don't think it is a whole lot different when you consider the adjusted RPI is the tiebreaker so its like getting a whole point for having the most QWB.Michigan Tech Legend, Founder of Mitch's Misfits, Co-Founder of Tech Hockey Guide, and Creator/Host of the Chasing MacNaughton Podcast covering MTU Hockey and the WCHA.
Sports Allegiance: NFL: GB MLB: MIL NHL: MIN CB: UW CF: UW CH: MTU FIFA: USA MLS: MIN EPL: Everton
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