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2014/15 DPI Team Rankings
(December 17, 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 0.987 74 1
1 Minnesota BIG10 0.987 74 1
1 Ohio St BIG10 0.987 74 1
4 Michigan BIG10 0.960 72 3
5 Missouri MAC 0.933 70 5
5 Oklahoma St BIG12 0.933 70 5
7 Penn St BIG10 0.920 69 6
8 Illinois BIG10 0.907 68 7
9 Edinboro EWL 0.867 65 10
10 Cornell EIWA 0.853 64 11
11 Iowa St BIG12 0.840 63 12
11 Nebraska BIG10 0.840 63 12
11 Virginia Tech ACC 0.840 63 12
14 Northwestern BIG10 0.827 62 13
14 Wisconsin BIG10 0.827 62 13
16 Old Dominion MAC 0.813 61 14
17 Rutgers BIG10 0.800 60 15
18 Wyoming WEST 0.773 58 17
19 Lehigh EIWA 0.760 57 18
20 Northern Iowa MAC 0.747 56 19
20 Virginia ACC 0.747 56 19
22 Pittsburgh ACC 0.733 55 20
23 Ohio MAC 0.693 52 23
23 Oklahoma BIG12 0.693 52 23
25 North Carolina St ACC 0.680 51 24
25 North Dakota St WEST 0.680 51 24
27 Stanford PAC12 0.667 50 25
28 Rider EWL 0.653 49 26
29 Princeton EIWA 0.613 46 29
29 Purdue BIG10 0.613 46 29
31 Kent St MAC 0.600 45 30
32 Oregon St PAC12 0.587 44 31
33 Army EIWA 0.560 42 33
34 South Dakota St WEST 0.547 41 34
35 North Carolina ACC 0.520 39 36
36 Duke ACC 0.507 38 37
37 CSU Bakersfield PAC12 0.493 37 38
37 Indiana BIG10 0.493 37 38
39 Penn EIWA 0.480 36 39
39 West Virginia BIG12 0.480 36 39
41 Arizona St PAC12 0.467 35 40
41 Michigan St BIG10 0.467 35 40
43 Central Michigan MAC 0.453 34 41
44 Hofstra EIWA 0.427 32 43
45 Appalachian St SOCON 0.387 29 46
45 Maryland BIG10 0.387 29 46
45 Utah Valley WEST 0.387 29 46
48 Brown EIWA 0.373 28 47
48 Chattanooga SOCON 0.373 28 47
50 Eastern Michigan MAC 0.360 27 48
50 Northern Colorado WEST 0.360 27 48

 

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