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2015/16 DPI Team Rankings
(February 2, 2016) 
 

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 Penn St BIG10 1.000 75 0
2 Oklahoma St BIG12 0.987 74 1
3 Iowa BIG10 0.960 72 3
3 Ohio St BIG10 0.960 72 3
3 Virginia Tech ACC 0.960 72 3
6 Missouri MAC 0.933 70 5
7 Nebraska BIG10 0.920 69 6
8 Lehigh EIWA 0.893 67 8
8 Michigan BIG10 0.893 67 8
10 Cornell EIWA 0.880 66 9
11 Rutgers BIG10 0.880 66 9
12 North Carolina St ACC 0.853 64 11
13 Illinois BIG10 0.827 62 13
14 North Carolina ACC 0.827 62 13
15 Minnesota BIG10 0.813 61 14
16 Stanford PAC12 0.800 60 15
17 Central Michigan MAC 0.773 58 17
17 Oklahoma BIG12 0.773 58 17
19 Old Dominion MAC 0.733 55 20
20 Bucknell EIWA 0.720 54 21
20 Edinboro EWL 0.720 54 21
20 Iowa St BIG12 0.720 54 21
23 Northern Iowa MAC 0.707 53 22
24 Princeton EIWA 0.680 51 24
25 Penn EIWA 0.667 50 25
26 Kent St MAC 0.653 49 26
26 Oregon St PAC12 0.653 49 26
26 Pittsburgh ACC 0.653 49 26
29 Wisconsin BIG10 0.640 48 27
30 Rider EWL 0.613 46 29
31 Ohio MAC 0.587 44 31
32 Purdue BIG10 0.573 43 32
32 South Dakota St BIG12 0.573 43 32
34 CSU Bakersfield PAC12 0.560 42 33
35 Arizona St PAC12 0.547 41 34
35 West Virginia BIG12 0.547 41 34
37 Chattanooga SOCON 0.533 40 35
38 Duke ACC 0.520 39 36
38 Wyoming BIG12 0.520 39 36
40 Virginia ACC 0.507 38 37
41 Northwestern BIG10 0.467 35 40
42 Harvard EIWA 0.440 33 42
42 Maryland BIG10 0.440 33 42
44 American EIWA 0.413 31 44
45 Appalachian St SOCON 0.400 30 45
45 Navy EIWA 0.400 30 45
47 Utah Valley BIG12 0.387 29 46
48 Army EIWA 0.373 28 47
49 North Dakota St BIG12 0.360 27 48
50 Indiana BIG10 0.347 26 49

 

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