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2013 DPI Team Rankings
(November 19, 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 75 0
2 Ohio St BIG10 0.987 74 1
3 Minnesota BIG10 0.973 73 2
4 Cornell EIWA 0.947 71 4
5 Michigan BIG10 0.920 69 6
5 Nebraska BIG10 0.920 69 6
5 Penn St BIG10 0.920 69 6
8 Illinois BIG10 0.893 67 8
8 Missouri MAC 0.893 67 8
10 Virginia Tech ACC 0.880 66 9
11 Edinboro EWL 0.867 65 10
11 Oklahoma St BIG12 0.867 65 10
13 Virginia ACC 0.840 63 12
14 Iowa St BIG12 0.827 62 13
14 Northwestern BIG10 0.827 62 13
16 Old Dominion MAC 0.813 61 14
17 Wisconsin BIG10 0.787 59 16
18 Lehigh EIWA 0.773 58 17
18 Rutgers BIG10 0.773 58 17
20 North Dakota St WEST 0.733 55 20
20 Ohio MAC 0.733 55 20
22 Oklahoma BIG12 0.720 54 21
23 Northern Iowa MAC 0.707 53 22
24 Pittsburgh ACC 0.693 52 23
24 Stanford PAC12 0.693 52 23
26 Penn EIWA 0.667 50 25
27 North Carolina St ACC 0.640 48 27
27 Wyoming WEST 0.640 48 27
29 Kent St MAC 0.627 47 28
29 Rider EWL 0.627 47 28
31 Oregon St PAC12 0.600 45 30
32 Purdue BIG10 0.587 44 31
33 South Dakota St WEST 0.560 42 33
34 Central Michigan MAC 0.547 41 34
34 Chattanooga SOCON 0.547 41 34
36 Duke ACC 0.533 40 35
37 North Carolina ACC 0.520 39 36
38 Michigan St BIG10 0.507 38 37
39 Army EIWA 0.480 36 39
40 Princeton EIWA 0.467 35 40
41 Maryland BIG10 0.453 34 41
41 Utah Valley WEST 0.453 34 41
43 Columbia EIWA 0.427 32 43
44 Arizona St PAC12 0.413 31 44
45 George Mason EWL 0.400 30 45
46 CSU Bakersfield PAC12 0.373 28 47
46 West Virginia BIG12 0.373 28 47
48 Air Force WEST 0.347 26 49
48 Bucknell EIWA 0.347 26 49
50 Hofstra EIWA 0.333 25 50

 

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