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2013 DPI Team Rankings
(September 30, 2014) 
 

THE DUALS PERCENTAGE INDEX (DPI)

Explanation
Wrestling is somewhat unique in collegiate athletics by the method in which team scores are determined in dual meets. They are based upon how individual wrestlers perform against one another. Specifically, it is the sum of points earned over a total of ten matches pitting wrestlers against one another at varying weight classes.

Under such a system, it is better overall to rank teams wrestler by wrestler, rather than simply using the final scores of matches. This is the underlying principle of the DPI. Here's how it works:

1) A database is created of each D1 team with the top 33 individual rankings of each weight class as provided by wrestlingreport.com

2) A computation is made on how each team fares against each other as if they are wrestling in a dual meet. For each weight class, whichever team's wrestler is ranked higher than the opponent, that team gets 3 points. If a wrestler isn't ranked in the top 33, he gets automatically ranked as 34th. Bonus points (to simulate major decisions, tech fall, and fall) are awarded if the individual rankings between pairs of wrestlers vary by more than 5, 10, and 13; respectively.

3) Naturally, one team defeats the other when the point sum for its ten wrestlers is greater than its opponent. One team gets a win and the other gets a loss. Of course, ties are also possible.

4) Each team's DPI is calculated by dividing the number of wins by (wins + losses).

DPI system devised by Dr. Gregory Plumb, Professor & Chair, Dept of Cartography & Geography, East Central University (Ada, Oklahoma)

Top 50 Teams

RANK SCHOOL CONFERENCE DPI W L
1 Iowa BIG10 1.000 76 0
2 Ohio St BIG10 0.987 75 1
3 Minnesota BIG10 0.974 74 2
4 Cornell EIWA 0.961 73 3
5 Penn St BIG10 0.947 72 4
6 Michigan BIG10 0.908 69 7
6 Missouri MAC 0.908 69 7
6 Oklahoma St BIG12 0.908 69 7
9 Nebraska BIG10 0.895 68 8
10 Illinois BIG10 0.882 67 9
11 Virginia Tech ACC 0.855 65 11
12 Edinboro EWL 0.842 64 12
12 Iowa St BIG12 0.842 64 12
12 Wisconsin BIG10 0.842 64 12
15 Pittsburgh ACC 0.829 63 13
15 Virginia ACC 0.829 63 13
17 Northwestern BIG10 0.789 60 16
18 Old Dominion MAC 0.776 59 17
19 Rutgers BIG10 0.750 57 19
20 Kent St MAC 0.724 55 21
21 Central Michigan MAC 0.711 54 22
21 Northern Iowa MAC 0.711 54 22
21 Ohio MAC 0.711 54 22
24 Lehigh EIWA 0.697 53 23
24 North Dakota St WEST 0.697 53 23
26 North Carolina St ACC 0.684 52 24
27 Oregon St PAC12 0.658 50 26
28 Oklahoma BIG12 0.632 48 28
28 Penn EIWA 0.632 48 28
28 Wyoming WEST 0.632 48 28
31 Navy EIWA 0.618 47 29
32 Rider EWL 0.605 46 30
33 Chattanooga SOCON 0.592 45 31
34 Stanford PAC12 0.566 43 33
34 West Virginia BIG12 0.566 43 33
36 North Carolina ACC 0.539 41 35
37 Duke ACC 0.526 40 36
38 Purdue BIG10 0.500 38 38
39 Maryland BIG10 0.487 37 39
40 Bucknell EIWA 0.447 34 42
41 CSU Bakersfield PAC12 0.434 33 43
42 Army EIWA 0.408 31 45
42 Lock Haven EWL 0.408 31 45
44 Columbia EIWA 0.395 30 46
44 Michigan St BIG10 0.395 30 46
44 Princeton EIWA 0.395 30 46
47 Utah Valley WEST 0.382 29 47
48 Eastern Michigan MAC 0.368 28 48
49 Cal Poly PAC12 0.355 27 49
49 Citadel SOCON 0.355 27 49
49 Hofstra EIWA 0.355 27 49
49 South Dakota St WEST 0.355 27 49
53 Harvard EIWA 0.342 26 50

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