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MBB SEEDING: A look at Iowa's composite computer rankings

DanHawkPella

HB Legend
Jul 24, 2001
17,670
20,113
113
Here is a good site to bookmark: https://www.masseyratings.com/cb/compare.htm

It will show you the computer rankings for 31 different models, including NET, Kenpom (Pomeroy), Sagarin, Massey and others (you can download via CSV if desired).

Here are the current composite rankings as of Feb 14th for the Top 16 (Top 4 seeds):

TeamConfWLRankMeanTrimmedMedianStDev
Gonzaga WCC 20-011.061.0310.25
Baylor B12 17-0221.9720.45
Michigan B10 14-134.183.8632.65
Houston AAC 17-246.66.4872.51
Ohio St B10 17-457.246.9773.55
Illinois B10 14-567.826.7967.6
Alabama SEC 17-578.167.4874.84
Virginia ACC 15-388.458.2483.11
Iowa B10 15-6910.239.2469.05
USC P12 17-31013.6113.41134.47
Villanova BE 13-31113.6112.83118.06
West VirginiaB12 14-61215.9815.24146.27
Creighton BE 16-51317.4517.03156.89
Oklahoma B12 13-51417.7717.14187.08
Florida St ACC 11-31517.917.9176.13
Tennessee SEC 14-51619.1118.86186.88

So Iowa's composite ranking across all 31 computer models - an average or mean - puts them at 9th, or a 3 seed.

However, if you look at MEDIAN instead of MEAN, Iowa would rank 6th, or a 2 seed.

What this means is that there is a wide disparity of rankings for Iowa, which is evidenced by the Iowa having the largest Standard Deviation of 9.05.

Here's what the more noteworthy models have for Iowa:

TeamMASSEYNETPOM (KENPOMSAGARIN
Gonzaga 1111
Baylor 2222
Michigan 3333
Houston 7567
Ohio St 4778
Illinois 5455
Alabama 8989
Virginia 10696
Iowa 6844
USC 13151220
Villanova 9131110
West Virginia17161713
Creighton 18221511
Oklahoma 12172119
Florida St 22252016
Tennessee 19121615

Note that the average for these 4 alone is 5.5, putting Iowa as a 2 seed.

Here are the 5 lowest ratings for Iowa among the 31 models:

TeamBIHLJELLY JUKEJOBY NITTY GRITTYKIRKPATRICKPUGH
Gonzaga 11111
Baylor 22222
Michigan 33333
Houston 541055
Ohio St 45444
Illinois 814576
Alabama 776128
Virginia 688107
Iowa 1429151618
USC 96171512
Villanova 11157815
West Virginia121011914
Creighton 2333251924
Oklahoma 10119229
Florida St 2525181311
Tennessee 2427162425

Forgive me if I challenge a few of these models just on name alone - JELLY JUKE, and JOBY NITTY GRITTY. Not sure on those :)

I have heard of the other 3 at least. But you can see that Iowa's mean or average is skewed mostly by the Jelly Juke model, which has them 29th. Perhaps our color scheme of black and gold has some negative relationship to a poor tasting jelly bean....who knows.

In the end, I would hope that the committee might start with some type of weighted composite model, where maybe there is 50% weight on NET rating, and then 10% weight on 5 other models. You could use the result to create initial seeding, with the rule that a team can't move more than 1 seed placement up or down from the composite rating based on subjective judgments of the panel.

Based on that approach, I would think Iowa would be a 2 seed, at worst a 3, but I'd really like to know the panel's reasoning if they bump Iowa down a spot. Ideally the panel is transparent about all of this so that if a team is moved, the Panel is willing to explain it's reasoning (injuries, et al).

Iowa was a 4 seed in the initial Top 16 seeds put out last week, and was a 4 seed in last Friday's Lunardi Bracket.

I'm not sure I understand either of those, quite frankly, since all the objective measures have Iowa as a 2 seed, essentially, and we actually have injuries in our favor if one considers circumstantial factors. These models already take into account all data based factors such as SOS, scoring margin (varies by model), and who you lost to. /confused
 
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