Thursday, January 21, 2016

NBA 2015-2016: SportsBoss Power Index [SBPI] thru January 20th

Here is second initial installment of the NBA SBPI [SportsBoss Power Index] for the 2015-2016 season.  As a reminder this model first uses the Four Factors analysis as a basis to measure team effectiveness & efficiency in key statistical areas followed by filtering that data into a regression formula that properly weights the impact of each statistic before being finalized by an SOS adjustment.  Here is where each team stands through Wednesday January 20th:

HOME
ROAD
Projected Record
Playoff Seeds
Team
RATING
RATING
Wins
Losses
West
East
San Antonio
107.6
103.1
73
9
1
Golden State
105.2
100.7
72
10
2
Okla City
100.5
96.5
59
23
3
L.A. Clippers
98.7
95.7
55
27
4
Cleveland
99.0
95.0
57
25
1
Boston
97.0
94.5
47
35
5
Detroit
97.0
94.0
48
34
4
Atlanta
96.1
93.1
49
33
3
Toronto
96.0
93.0
51
31
2
Indiana
95.9
92.9
47
35
6
Orlando
93.3
90.8
42
40
8
Memphis
93.7
90.7
44
38
5
Charlotte
93.6
90.6
40
42
Washington
92.5
90.5
41
41
Miami
93.2
90.2
43
39
7
Dallas
93.0
90.0
44
38
Utah
92.1
89.6
37
45
7
Sacramento
90.2
88.2
36
46
8
Houston
90.5
88.0
38
44
6
Portland
90.4
87.9
35
47
Chicago
90.5
87.5
41
41
Milwaukee
90.1
87.1
34
48
New York
90.0
87.0
37
45
New Orleans
88.7
86.2
29
53
Denver
88.0
86.0
31
51
Minnesota
87.6
85.6
26
56
Phoenix
87.1
85.1
26
56
Brooklyn
85.6
83.6
22
60
Philadelphia
82.6
80.6
13
69
L.A. Lakers
82.0
80.0
15
67

These are the actual power ratings I would use when setting lines on a daily basis. 

The San Antonio Spurs maintain the top spot in the ratings but the East continues to strengthen it’s depth as seen by the playoff seedings & each team’s corresponding rating.

The “Projected Record” column is calculated by:
1.     Taking a teams current record
2.     Adding wins over remainder of the season based on their regression analysis of strength

For example, walking through the San Antonio Spurs calculation:
                  They are currently 36-6 & are projected to play .934 ball for the remainder of the season.  Taking that .934 times their 40 remaining games yields 37.4 more wins; add the 36 & 37.4 and you get 73.4 wins, which is shown in the projected wins column.

Now remember there are obviously additional variables that could be in play when projecting a team’s final record such as sitting players, home/road splits – but this formula is at worst a good proxy for projecting playoff seeds.


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