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Post by snickers on Jan 10, 2007 20:01:33 GMT -5
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Post by AntennaMagnet on Jan 10, 2007 20:32:56 GMT -5
Illinois' ranking seems a little high. Arizona 80th ? Oh, my.
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Post by The Bofa on the Sofa on Jan 10, 2007 21:46:39 GMT -5
What makes you say Illinois is too high?
It's RPI - remember what it is rating
Besides, none of this is new - Rich Kern's approximation, once again shown to be pretty close to the actual version, has been available since 12/18
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Post by cbrown1709 on Jan 11, 2007 1:30:42 GMT -5
UCLA above Stanford? When Stanford won both meetings? What?
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Post by BearClause on Jan 11, 2007 1:44:33 GMT -5
UCLA above Stanford? When Stanford won both meetings? What? UCLA played more times on the road and has a higher overall win pct. The newer RPI formula gives more weight to road wins. A road win counts as 1.4 wins while a home win counts as 0.6 wins. A road loss counts as 0.6 losses, while a home loss counts as 1.4 losses. Neutral site win/losses receive no adjustment. www.collegerpi.com/rpifaq.html#Formula |
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Post by gobruins on Jan 11, 2007 4:24:44 GMT -5
I don't recall UCLA losing any matches to BYU!
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Post by huskervbfan on Jan 11, 2007 9:16:01 GMT -5
UCLA above Stanford? When Stanford won both meetings? What? UCLA played more times on the road and has a higher overall win pct. The newer RPI formula gives more weight to road wins. A road win counts as 1.4 wins while a home win counts as 0.6 wins. A road loss counts as 0.6 losses, while a home loss counts as 1.4 losses. Neutral site win/losses receive no adjustment. www.collegerpi.com/rpifaq.html#FormulaI don't think the road wins adjustment applies to volleyball. I've only seen it apply to basketball. |
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Post by The Bofa on the Sofa on Jan 11, 2007 9:29:19 GMT -5
No, the Home/Road adjustment applies to the NCAA's RPI, which is sport independent. If they twiddle with RPI, then that affects every sport that utilizes RPI.
They don't have a separate RPI approach for different sports.
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Post by huskervbfan on Jan 11, 2007 13:18:21 GMT -5
No, the Home/Road adjustment applies to the NCAA's RPI, which is sport independent. If they twiddle with RPI, then that affects every sport that utilizes RPI. They don't have a separate RPI approach for different sports. Can you find anything on the NCAA website to indicate this is correct? I've only seen discussions about the home/road win adjustment applied to BB. |
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Post by The Bofa on the Sofa on Jan 11, 2007 13:20:36 GMT -5
Why do you the records (see the link in the OP) are broken down by home, road, and neutral?
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Deleted
Deleted Member
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Post by Deleted on Jan 11, 2007 13:54:08 GMT -5
Comparing this to RKPI, top 40 are within 1 spot except:
Duke +3 (in RKPI)
Hofstra +4
Missouri -2
ASU +2
Sac State +5
Missouri State +5
Middle TN State -5
BYU -2
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Post by huskervbfan on Jan 11, 2007 14:01:02 GMT -5
Why do you the records (see the link in the OP) are broken down by home, road, and neutral? They did that also before any changes to the RPI. They do manually/mentally adjusts selection rankings based on good and bad home/road wins and losses but I think only men's and women's basketball actually have that as part of the RPI computations. I'd love for someone to be able to show me differently. |
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Post by Rich Kern on Jan 13, 2007 18:51:43 GMT -5
For those of you who are interested, the RKPI has just been updated as a results of getting the new NCAA results. We were able to compare our team records to theirs and found a few changes that needed to be made. This did make the differences between the two much less. About 40% of the differences are plus or minus 1 place, 90% are plus or minus 5 places and only 1 results is worse than plus or minus 10 places (for some reason, San Francisco is 13 places different).
I don't know what the NCAA did on Northern Colorado for sure but they show them as an Independent and I ran them as belonging to the Big Sky conference. The first Big Sky press release of the season says this where they are talking about the pre-season rankings:
Northern Colorado begins its first season as a full fledged Big Sky
member ranked eighth in the preseason poll, with 19 points. The
Bears will be eligible to compete for this year’s Big
Sky regular-season and tournament championship titles.
Consequently, I think they should be in the Big Sky Conference but that would account for some of the differences if that is not correct.
FWIW, I run the results without any home/road wins/losses adjustments. I don't know if that is correct but if I am wrong, that could also account for some of the discrepancy. If anyone can show me any evidence that I am wrong. I would appreciate seeing that.
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Post by pogoball on Jan 14, 2007 13:49:25 GMT -5
Could anyone give me a quick summary of how Illinois finished ahead of MSU in the RPI rankings? I mean, most of the obvious stats would seem to favor MSU: they finished clearly ahead of Illinois in overall record, in Big 10 record and they swept the head to head, winning 3-0 on both occasions.
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Post by The Bofa on the Sofa on Jan 14, 2007 14:05:57 GMT -5
Head to head record is irrelevant. Big 10 record is irrelevant.
There are three (main) components to RPI: overall record is 25%, opponents record is 50%, and opponents opponents is 25%. There's a lot of room there with missing info. Rich Kern could break it down for us, because he has it.
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