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2014/15 DPI Team Rankings
(February 18, 2015) 
 

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 75 0
2 Minnesota BIG10 0.973 73 2
2 Missouri MAC 0.973 73 2
2 Ohio St BIG10 0.973 73 2
5 Nebraska BIG10 0.933 70 5
6 Illinois BIG10 0.920 69 6
6 Michigan BIG10 0.920 69 6
6 Penn St BIG10 0.920 69 6
9 Cornell EIWA 0.880 66 9
9 Oklahoma St BIG12 0.880 66 9
9 Virginia Tech ACC 0.880 66 9
12 Iowa St BIG12 0.853 64 11
13 Lehigh EIWA 0.840 63 12
14 Wisconsin BIG10 0.827 62 13
15 Edinboro EWL 0.800 60 15
16 Northwestern BIG10 0.787 59 16
17 Virginia ACC 0.787 59 16
18 Old Dominion MAC 0.773 58 17
19 Wyoming WEST 0.760 57 18
20 Purdue BIG10 0.733 55 20
20 Rutgers BIG10 0.733 55 20
22 Northern Iowa MAC 0.707 53 22
22 Oklahoma BIG12 0.707 53 22
24 North Carolina St ACC 0.693 52 23
24 Oregon St PAC12 0.693 52 23
24 Stanford PAC12 0.693 52 23
27 Arizona St PAC12 0.653 49 26
28 Ohio MAC 0.627 47 28
29 Army EIWA 0.613 46 29
29 Chattanooga SOCON 0.613 46 29
31 Kent St MAC 0.600 45 30
32 Pittsburgh ACC 0.587 44 31
33 North Dakota St WEST 0.573 43 32
34 North Carolina ACC 0.560 42 33
35 Maryland BIG10 0.533 40 35
36 Penn EIWA 0.520 39 36
37 Boise St PAC12 0.507 38 37
37 Central Michigan MAC 0.507 38 37
39 Bucknell EIWA 0.493 37 38
39 Princeton EIWA 0.493 37 38
39 West Virginia BIG12 0.493 37 38
42 Hofstra EIWA 0.440 33 42
42 Rider EWL 0.440 33 42
44 Harvard EIWA 0.427 32 43
45 Duke ACC 0.400 30 45
45 Indiana BIG10 0.400 30 45
47 Michigan St BIG10 0.387 29 46
48 Appalachian St SOCON 0.373 28 47
49 American EIWA 0.360 27 48
50 Lock Haven EWL 0.347 26 49

 

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