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2014/15 DPI Team Rankings
(February 25, 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 Ohio St BIG10 0.987 74 1
3 Minnesota BIG10 0.973 73 2
4 Missouri MAC 0.960 72 3
5 Illinois BIG10 0.933 70 5
5 Nebraska BIG10 0.933 70 5
7 Penn St BIG10 0.920 69 6
8 Cornell EIWA 0.907 68 7
9 Virginia Tech ACC 0.893 67 8
10 Michigan BIG10 0.880 66 9
10 Oklahoma St BIG12 0.880 66 9
12 Iowa St BIG12 0.840 63 12
12 Lehigh EIWA 0.840 63 12
14 Edinboro EWL 0.813 61 14
14 Wisconsin BIG10 0.813 61 14
16 Northwestern BIG10 0.787 59 16
16 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 Oklahoma BIG12 0.707 53 22
23 Stanford PAC12 0.693 52 23
24 North Carolina St ACC 0.680 51 24
24 Northern Iowa MAC 0.680 51 24
26 Ohio MAC 0.667 50 25
27 North Carolina ACC 0.653 49 26
28 Arizona St PAC12 0.640 48 27
28 Oregon St PAC12 0.640 48 27
30 Chattanooga SOCON 0.627 47 28
31 Kent St MAC 0.613 46 29
32 Army EIWA 0.600 45 30
32 Pittsburgh ACC 0.600 45 30
34 North Dakota St WEST 0.560 42 33
35 Rider EWL 0.547 41 34
36 Central Michigan MAC 0.520 39 36
36 Maryland BIG10 0.520 39 36
38 Penn EIWA 0.493 37 38
39 Princeton EIWA 0.480 36 39
39 West Virginia BIG12 0.480 36 39
41 Boise St PAC12 0.467 35 40
41 Bucknell EIWA 0.467 35 40
43 Harvard EIWA 0.440 33 42
43 Hofstra EIWA 0.440 33 42
45 Duke ACC 0.387 29 46
46 American EIWA 0.373 28 47
46 Lock Haven EWL 0.373 28 47
46 Michigan St BIG10 0.373 28 47
49 Indiana BIG10 0.360 27 48
50 Air Force WEST 0.333 25 50
50 Eastern Michigan MAC 0.333 25 50

 

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