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2014/15 DPI Team Rankings
(November 26, 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 Missouri MAC 0.947 71 4
5 Michigan BIG10 0.933 70 5
6 Penn St BIG10 0.920 69 6
7 Cornell EIWA 0.907 68 7
7 Illinois BIG10 0.907 68 7
7 Virginia Tech ACC 0.907 68 7
10 Oklahoma St BIG12 0.880 66 9
11 Nebraska BIG10 0.867 65 10
12 Edinboro EWL 0.853 64 11
12 Old Dominion MAC 0.853 64 11
14 Virginia ACC 0.827 62 13
15 Northwestern BIG10 0.813 61 14
16 Iowa St BIG12 0.787 59 16
16 Lehigh EIWA 0.787 59 16
16 Rutgers BIG10 0.787 59 16
19 Pittsburgh ACC 0.773 58 17
20 Wisconsin BIG10 0.733 55 20
21 Northern Iowa MAC 0.720 54 21
21 Ohio MAC 0.720 54 21
23 North Carolina St ACC 0.707 53 22
23 North Dakota St WEST 0.707 53 22
25 Rider EWL 0.680 51 24
26 Oklahoma BIG12 0.667 50 25
26 Stanford PAC12 0.667 50 25
28 Wyoming WEST 0.640 48 27
29 Kent St MAC 0.600 45 30
29 Penn EIWA 0.600 45 30
29 Purdue BIG10 0.600 45 30
32 Princeton EIWA 0.587 44 31
33 Oregon St PAC12 0.560 42 33
34 Central Michigan MAC 0.547 41 34
34 Chattanooga SOCON 0.547 41 34
34 Duke ACC 0.547 41 34
34 North Carolina ACC 0.547 41 34
38 Indiana BIG10 0.507 38 37
39 Army EIWA 0.493 37 38
39 South Dakota St WEST 0.493 37 38
41 Michigan St BIG10 0.480 36 39
42 Hofstra EIWA 0.440 33 42
43 Arizona St PAC12 0.413 31 44
43 Utah Valley WEST 0.413 31 44
45 Columbia EIWA 0.400 30 45
46 Eastern Michigan MAC 0.387 29 46
47 Air Force WEST 0.373 28 47
47 Lock Haven EWL 0.373 28 47
47 Maryland BIG10 0.373 28 47
50 Bucknell EIWA 0.333 25 50
50 West Virginia BIG12 0.333 25 50

 

 

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