Tuesday, April 21, 2015

NCAAB 2015: SBPI [SportsBoss Power Index] FINAL FOR SEASON



Here is the FINAL 2014-2015 College Basketball SBPI ratings covering action through the National Championship Game (NON-ADJ RANK = pure statistical rating prior to SOS adjustment; SUM is rating for team & can be compared to prior season’s in my Top 100 of last 12 year’s blog entry or vs. last year on a weekly basis – check toolbar to right, click 2014 & reference February & March; RANK = rankings of each team’s SOS Adjusted performance; KP = Ken Pomeroy’s Rankings; BPI = ESPN’s Basketball Power Index Rankings; RPI = Ratings Power Index Rankings; SAG = Jeff Sagarin’s Rankings):


NON-ADJ

ADJ RATINGS

TOP 50
Team
RANK

SUM
RANK

KP
BPI
RPI
SAG
Duke
7

425.8
1

4
6
5
2
Wisconsin
8

416.6
2

3
2
2
3
Kentucky
4

415.1
3

1
1
1
1
Arizona
1

412.3
4

2
3
6
4
Villanova
2

408.4
5

6
5
4
6
Louisville
9

392.7
6

16
15
21
12
West Virginia
15

384.6
7

26
23
24
23
Butler
12

381.0
8

20
20
31
19
Baylor
19

379.6
9

17
19
10
18
Utah
15

372.8
10

8
10
20
9
VCU
12

363.9
11

28
25
14
30
Virginia
29

358.4
12

5
4
7
5
Kansas
92

354.8
13

14
8
2
13
Wichita State
5

352.1
14

10
12
17
14
Providence
57

350.7
15

30
33
23
29
Iowa
32

350.0
16

19
36
43
21
Ohio State
18

348.3
17

21
17
39
17
Michigan State
62

348.0
18

15
18
22
11
North Carolina
115

347.7
19

11
11
11
10
Xavier
69

343.0
20

22
26
30
22
Oklahoma
66

342.4
21

13
13
18
16
Florida
81

338.9
22

45
35

47
Georgetown
77

336.6
23

24
22
25
25
Iowa State
64

334.9
24

18
16
9
15
North Carolina State
77

334.5
25

31
34
40
26
Arkansas
35

328.9
26

29
21
19
28
Gonzaga
11

328.0
27

7
7
8
7
Texas
77

326.0
28

25
27
42
24
Syracuse
61

323.1
29




48
Stanford
57

321.6
30

41
37

31
Illinois
47

321.4
31





UCLA
89

319.9
32

33
43
49
39
Oklahoma State
112

318.8
33

47
50
46
43
Georgia Tech
99

314.5
34





South Carolina
97

310.2
35





Notre Dame
73

305.6
36

9
9
16
8
Minnesota
69

304.7
37





Miami (FL)
92

304.1
38

46
41

35
Arizona State
81

301.6
39





Purdue
89

301.4
40

48
39

34
Brigham Young
33

299.1
41

35
31
38
41
Ole Miss
99

299.0
42

50
40


San Diego State
35

297.9
43

27
48
27
33
Illinois State
43

297.8
44





Dayton
31

297.0
45

37
29
32
42
Indiana
81

296.2
46


47

38
Georgia
146

294.8
47

39
30
37
40
Seton Hall
132

291.9
48





Pittsburgh
129

288.5
49





Southern Methodist
35

287.4
50

23
24
13
32

Here are the teams from the above matrix that rank inside the Top 100 over the last 13 seasons (as far back as my model has been tested):
  1. Duke 425.8: 13th
  2. Wisconsin 416.6: 19th
  3. Kentucky 415.1: 21st
  4. Arizona 412.3: 23rd
  5. Villanova 408.4: 29th
  6. Louisville 392.7: 46th
  7. West Virginia 384.6: 64th
  8. Butler 381.0: 76th
  9. Baylor 379.6: 77th
  10. Utah 372.8: 93rd
So by dividing 100 by 13 you would expect approximately 7-8 teams to be ranked inside the Top 100 for each year; however this year we had 10 AND perhaps a bigger sign this was a solid year for the best teams there were 5 teams that now rank inside the Top 29 teams of the last 13 seasons.  But with Duke checking in at #13 it does suggest there was no great team this year, but a few that were in the mix to win the national title – see the top 4 especially.

One more interesting tidbit on the above Top 50 ratings is just 6 of the Top 28 teams returned fewer than 3 starters this season (Baylor 1, Kansas 2, Ohio State 2, Michigan State 2, Xavier 2, and Florida 1).  In addition quite a few teams look very “out of place” with such a high rating; those would be teams I am extremely bullish on going into next season as many of them had injuries this season and return a bulk of their starters for next year.

Next up let’s take a look where each of the current Top 25 in SBPI ranked in the past:

Team
18-Jan
25-Jan
1-Feb
8-Feb
15-Feb
22-Feb
1-Mar
8-Mar
15-Mar
FINAL
Duke
5
5
1
1
2
2
3
3
3
1
Wisconsin
16
9
9
9
9
8
9
7
6
2
Kentucky
1
1
2
2
1
1
1
1
1
3
Arizona
11
7
6
4
7
5
4
4
4
4
Villanova
3
4
3
3
3
4
2
2
2
5
Louisville
12
12
8
6
8
9
10
9
8
6
West Virginia
15
15
18
13
10
10
6
6
7
7
Butler
4
3
4
7
6
3
7
8
9
8
Baylor
9
6
7
8
4
6
5
5
5
9
Utah
14
11
12
12
13
11
12
12
12
10
VCU
6
8
10
11
15
16
11
11
10
11
Virginia
10
14
13
10
14
15
24
15
16
12
Kansas
2
2
5
5
5
7
8
10
11
13
Wichita State
7
10
11
15
19
24
20
26
28
14
Providence
20
20
21
18
18
14
19
16
13
15
Iowa
28
29
27
25
28
26
22
18
21
16
Ohio State
27
35
32
27
26
27
21
19
19
17
Michigan State
25
27
28
37
32
29
32
24
22
18
North Carolina
17
18
16
17
20
18
13
17
17
19
Xavier
18
19
14
20
17
20
18
21
18
20
Oklahoma
26
22
17
22
25
21
17
13
15
21
Florida
19
16
15
14
11
12
14
20
20
22
Georgetown
36
25
23
19
16
17
15
22
23
23
Iowa State
31
34
33
29
27
22
16
14
14
24
North Carolina State
23
26
36
38
30
33
27
28
27
25

Duke was the only team during the regular season to own the top spot for even just one week (they did for two weeks) – and if you followed my twitter feed during the season I tweeted multiple times during the year, even back to early December, that my eye test believed Duke to be the team to beat.
I will have a follow-up blog entry on the trends in the above table, testing numerous statistical angles including correlation.

Strength of conference:

RANK
CONFERENCE
AVG RATING
1
B12
324.3
2
BE
310.3
3
ACC
306.0
4
B10
298.0
5
SEC
285.9
6
P12
283.1
7
A10
241.3
8
WCC
237.3
9
MVC
234.6
10
AAC
213.3
11
HORIZON
213.2
12
MAC
211.9
13
MWC
207.2
14
BIG WEST
202.1
15
IVY
199.4
16
CUSA
184.8
17
OVC
179.7
18
SUMMIT
175.6
19
SUN BELT
174.7
20
CAA
174.2
21
MAAC
168.7
22
INDEPENDENT
168.2
23
BIG SOUTH
168.0
24
PATRIOT
163.6
25
SOCON
161.1
26
BIG SKY
155.3
27
AMER EAST
147.7
28
NEC
147.0
29
SOUTHLAND
144.2
30
WAC
136.6
31
ASUN
130.9
32
MEAC
123.4
33
SWAC
100.0

We can really see how the Power 6 conferences are ranked well above the rest of the pack here.
Next up let’s look at the Top 20 non-Power 6 (ACC, B12, B10, BE, P12, SEC) conference teams:


NON-ADJ

ADJ RATINGS

TOP 50
Team
RANK

SUM
RANK

KP
BPI
RPI
SAG
VCU
12

363.9
11

28
25
14
30
Wichita State
5

352.1
14

10
12
17
14
Gonzaga
11

328.0
27

7
7
8
7
Brigham Young
33

299.1
41

35
31
38
41
San Diego State
35

297.9
43

27
48
27
33
Illinois State
43

297.8
44





Dayton
31

297.0
45

37
29
32
42
Southern Methodist
35

287.4
50

23
24
13
32
Yale
21

284.6
51





Buffalo
46

284.0
53



29

Northern Iowa
38

275.5
58

12
14
15
20
Temple
50

273.1
62



34

Boise State
26

269.8
63

42

44

Green Bay
33

268.2
64





George Washington
62

266.8
68





Rhode Island
50

266.6
69


49


Cincinnati
99

262.7
73

34
46
41
44
Harvard
38

261.8
74





Saint Mary's
54

261.0
75





Richmond
124

254.9
78







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