United States Naval Observatory
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NBA 2022-2023 ratings through results of 2023 MARCH 29 WEDNESDAY this output has three parts: (1) teams listed by RATING top-to-bottom (2) DIVISION AVERAGES (listed top-to-bottom & by conference) (3) teams listed by DIVISION (listed in order within divisions) The SCHEDULE ratings represent what the rating would have to be for a hypothetical team to have a mathematical expectation of winning precisely 50% of their games against the schedule played by the team in question in the games that it has played so far. The schedule difficulty of each given game takes into account the rating of the opponent and the location of the game. This is the same concept that is used in computing the WIN50% conference ratings. To make predictions for upcoming games, simply compare the RATINGS of the teams in question and allow an ADDITIONAL 3 points for the home team. Thus, for example, a HOME team with a rating of 97 would be favored by 5 points over a VISITING team having a rating of 95. Or a VISITING team with a rating of 94 would be favored by 7 points over a HOME team having a rating of 84. NOTE: Use whatever home advantage is listed in the output below. In the example just above, a home edge of 3 was shown for illustrative purposes. The home edge will vary during the season. Several different home edges are shown, one for each of the several different type of ratings directly over their respective columns. The numbers to the right of a team's schedule strength are its rank of schedule - (in parentheses) - and its record versus teams in these rating's CURRENT top 10 and CURRENT top 16 respectively. Teams that appear to be tied to two decimal places in a given column are actually different when carried to more decimal places in the computer's internal arithmetic. ---------------------------------------------------------------------------------------------------------------- The PREDICTOR, is such that the score is the only thing that matters. PREDICTOR is also known as PURE_POINTS, BALLANTINE, RHEINGOLD, WHITE OWL and is a very good PREDICTOR of future games. ---------------------------------------------------------------------------------------------------------------- GOLDEN_MEAN also utilizes the actual SCORES of the games in a different way but is also completely SCORE BASED and thus should be a good match for the PURE POINTS in terms of predictive accuracy for upcoming games. ---------------------------------------------------------------------------------------------------------------- The RECENT, is score-based and weights RECENT play more heavily than earlier games. Its effect will become more pronounced the longer a season goes if a given team happens to have an upward or downward trend. ---------------------------------------------------------------------------------------------------------------- The overall RATING is a synthesis of the three different SCORE-BASED methods, PREDICTOR(PURE_POINTS), GOLDEN_MEAN, and RECENT and thus should be a good predictor in its own right.Predictions_with_Totals
just click on "Predictions_with_Totals" and it will take you to the daily predictions at bottom of file
_________________________________________________________________________________________________________________________________________________ NBA 2022-2023 through games of 2023 March 29 Wednesday RATING W L SCHEDL(RANK) VS top 10 | VS top 16 | PREDICTOR | GOLDEN_MEAN | RECENT HOME ADVANTAGE=[ 2.84] [ 2.86] [ 2.87] [ 2.43] 1 Milwaukee Bucks = 95.37 55 21 89.82( 25) 13 8 | 26 11 | 95.08 2 | 95.16 2 | 95.65 1 CENTRAL 2 Boston Celtics = 95.26 52 24 89.86( 24) 13 10 | 25 14 | 95.69 1 | 95.72 1 | 94.89 2 ATLANTIC 3 Philadelphia 76ers = 94.47 50 26 89.90( 21) 12 11 | 23 16 | 94.27 4 | 94.51 3 | 94.55 3 ATLANTIC 4 Cleveland Cavaliers = 94.32 48 29 90.10( 12) 10 14 | 20 21 | 94.70 3 | 94.24 5 | 94.19 5 CENTRAL 5 Denver Nuggets = 94.18 51 24 89.67( 29) 12 7 | 23 13 | 93.92 5 | 94.24 4 | 94.30 4 northwest 6 Memphis Grizzlies = 93.06 48 28 89.59( 30) 12 12 | 19 19 | 93.19 6 | 93.70 6 | 92.71 6 southwest 7 Phoenix Suns = 92.54 41 35 90.10( 13) 10 14 | 22 19 | 92.45 7 | 92.53 7 | 92.60 7 pacific 8 New York Knicks = 92.10 44 33 90.13( 10) 12 12 | 19 21 | 92.16 8 | 91.73 8 | 92.28 8 ATLANTIC 9 Golden State Warriors = 91.64 40 37 89.94( 20) 11 12 | 20 21 | 91.67 9 | 91.62 9 | 91.64 11 pacific 10 Sacramento Kings = 91.63 46 30 89.76( 27) 9 14 | 19 20 | 91.33 10 | 91.40 11 | 91.91 9 pacific NBA 2022-2023 through games of 2023 March 29 Wednesday RATING W L SCHEDL(RANK) VS top 10 | VS top 16 | PREDICTOR | GOLDEN_MEAN | RECENT HOME ADVANTAGE=[ 2.84] [ 2.86] [ 2.87] [ 2.43] 11 Los Angeles Clippers = 91.41 41 36 89.74( 28) 10 17 | 16 22 | 90.99 13 | 90.93 13 | 91.89 10 pacific 12 Toronto Raptors = 91.34 38 38 89.90( 22) 11 15 | 15 24 | 91.26 11 | 91.02 12 | 91.56 12 ATLANTIC 13 Brooklyn Nets = 91.10 41 35 90.46( 3) 9 19 | 17 24 | 91.26 12 | 91.57 10 | 90.80 13 ATLANTIC 14 Chicago Bulls = 90.59 36 40 90.20( 8) 9 18 | 14 26 | 90.78 15 | 90.24 19 | 90.68 15 CENTRAL 15 Minnesota Timberwolves = 90.49 39 38 90.05( 15) 14 16 | 19 21 | 90.21 17 | 90.38 17 | 90.69 14 northwest 16 New Orleans Pelicans = 90.45 38 38 89.77( 26) 8 17 | 15 20 | 90.86 14 | 90.62 15 | 90.18 18 southwest 17 Atlanta Hawks = 90.33 38 38 89.97( 18) 13 13 | 19 22 | 90.19 18 | 90.33 18 | 90.41 17 SOUTHEAST 18 Dallas Mavericks = 90.27 37 40 89.97( 19) 10 17 | 18 25 | 90.72 16 | 90.57 16 | 89.90 19 southwest 19 Los Angeles Lakers = 90.24 38 38 89.98( 16) 11 17 | 17 26 | 89.73 20 | 90.03 20 | 90.62 16 pacific 20 Miami Heat = 89.91 40 37 90.27( 7) 13 15 | 19 25 | 89.98 19 | 90.74 14 | 89.47 21 SOUTHEAST NBA 2022-2023 through games of 2023 March 29 Wednesday RATING W L SCHEDL(RANK) VS top 10 | VS top 16 | PREDICTOR | GOLDEN_MEAN | RECENT HOME ADVANTAGE=[ 2.84] [ 2.86] [ 2.87] [ 2.43] 21 Oklahoma City Thunder = 89.36 38 39 89.98( 17) 8 18 | 18 26 | 89.32 21 | 88.92 21 | 89.61 20 northwest 22 Washington Wizards = 88.78 34 42 90.32( 6) 9 17 | 15 28 | 88.97 23 | 88.85 22 | 88.65 23 SOUTHEAST 23 Utah Jazz = 88.74 36 40 89.88( 23) 8 18 | 18 24 | 89.17 22 | 88.77 23 | 88.51 24 northwest 24 Orlando Magic = 87.95 32 44 90.18( 9) 9 17 | 19 22 | 87.34 25 | 86.83 26 | 88.72 22 SOUTHEAST 25 Indiana Pacers = 86.51 33 44 90.38( 5) 6 20 | 16 27 | 86.77 26 | 86.95 25 | 86.13 25 CENTRAL 26 Portland Trail Blazers = 86.48 32 44 90.05( 14) 7 18 | 10 30 | 87.35 24 | 87.09 24 | 85.58 27 northwest 27 Charlotte Hornets = 85.50 26 51 90.45( 4) 5 21 | 8 33 | 85.01 27 | 85.41 27 | 85.76 26 SOUTHEAST 28 Detroit Pistons = 82.49 16 60 90.62( 1) 3 26 | 6 38 | 82.56 28 | 82.28 28 | 82.56 28 CENTRAL 29 Houston Rockets = 82.11 18 59 90.48( 2) 5 23 | 8 38 | 82.12 29 | 81.73 30 | 82.28 29 southwest 30 San Antonio Spurs = 81.39 19 57 90.12( 11) 5 19 | 9 32 | 80.98 30 | 81.88 29 | 81.28 30 southwest _________________________________________________________________________________________________________________________________________________
There are three group ratings, the "central mean", the "simple average" (also known as the "arithmetic mean",) and the WIN50%. The "central mean" gives the most weight to the middle team(s) in the group and progressively less weight to teams as you go away from the middle in either direction, up or down. This tends to smooth out the effect of anomalous teams that are rated much higher and lower than the middle team(s) in the group. The "simple average" ("arithmetic mean") weights each team equally no matter where they are relative to the middle. Here are a few examples of how the "central mean" is computed. 4-team group ___ the weights are 1-2-2-1 5-team group ___ the weights are 1-2-3-2-1 6-team group ___ the weights are 1-2-3-3-2-1 7-team group ___ the weights are 1-2-3-4-3-2-1 8-team group ___ the weights are 1-2-3-4-4-3-2-1 9-team group ___ the weights are 1-2-3-4-5-4-3-2-1 10-team group ___ the weights are 1-2-3-4-5-5-4-3-2-1 11-team group ___ the weights are 1-2-3-4-5-6-5-4-3-2-1 12-team group ___ the weights are 1-2-3-4-5-6-6-5-4-3-2-1 13-team group ___ the weights are 1-2-3-4-5-6-7-6-5-4-3-2-1 This is an expanded version of the "tri-mean". The WIN50% is the rating required to win 50% of the games if playing an infinite number of round-robins in the given group at a neutral location.
DIVISION CENTRAL MEAN SIMPLE AVERAGE TEAMS WIN50% 1 ATLANTIC = 92.70 92.85 ( 1) 5 92.85 ( 1) 2 pacific = 91.53 91.49 ( 2) 5 91.49 ( 2) 3 CENTRAL = 90.14 89.86 ( 3) 5 89.93 ( 3) 4 northwest = 89.69 89.85 ( 4) 5 89.83 ( 4) 5 SOUTHEAST = 88.65 88.49 ( 5) 5 88.50 ( 5) 6 southwest = 87.82 87.46 ( 6) 5 87.53 ( 6) DIVISION CENTRAL MEAN SIMPLE AVERAGE TEAMS WIN50% 1 ATLANTIC = 92.70 92.85 ( 1) 5 92.85 ( 1) 3 CENTRAL = 90.14 89.86 ( 3) 5 89.93 ( 3) 5 SOUTHEAST = 88.65 88.49 ( 5) 5 88.50 ( 5) 6 southwest = 87.82 87.46 ( 6) 5 87.53 ( 6) 4 northwest = 89.69 89.85 ( 4) 5 89.83 ( 4) 2 pacific = 91.53 91.49 ( 2) 5 91.49 ( 2) __________________________________________________________________________________________________
_________________________________________________________________________________________________________________________________________________ 1 ATLANTIC = 92.70 92.85 ( 1) TEAMS= 5 92.85 ( 1) NBA 2022-2023 through games of 2023 March 29 Wednesday RATING W L SCHEDL(RANK) VS top 10 | VS top 16 | PREDICTOR | GOLDEN_MEAN | RECENT HOME ADVANTAGE=[ 2.84] [ 2.86] [ 2.87] [ 2.43] 2 Boston Celtics = 95.26 52 24 89.86( 24) 13 10 | 25 14 | 95.69 1 | 95.72 1 | 94.89 2 ATLANTIC 3 Philadelphia 76ers = 94.47 50 26 89.90( 21) 12 11 | 23 16 | 94.27 4 | 94.51 3 | 94.55 3 ATLANTIC 8 New York Knicks = 92.10 44 33 90.13( 10) 12 12 | 19 21 | 92.16 8 | 91.73 8 | 92.28 8 ATLANTIC 12 Toronto Raptors = 91.34 38 38 89.90( 22) 11 15 | 15 24 | 91.26 11 | 91.02 12 | 91.56 12 ATLANTIC 13 Brooklyn Nets = 91.10 41 35 90.46( 3) 9 19 | 17 24 | 91.26 12 | 91.57 10 | 90.80 13 ATLANTIC _________________________________________________________________________________________________________________________________________________ 3 CENTRAL = 90.14 89.86 ( 3) TEAMS= 5 89.93 ( 3) NBA 2022-2023 through games of 2023 March 29 Wednesday RATING W L SCHEDL(RANK) VS top 10 | VS top 16 | PREDICTOR | GOLDEN_MEAN | RECENT HOME ADVANTAGE=[ 2.84] [ 2.86] [ 2.87] [ 2.43] 1 Milwaukee Bucks = 95.37 55 21 89.82( 25) 13 8 | 26 11 | 95.08 2 | 95.16 2 | 95.65 1 CENTRAL 4 Cleveland Cavaliers = 94.32 48 29 90.10( 12) 10 14 | 20 21 | 94.70 3 | 94.24 5 | 94.19 5 CENTRAL 14 Chicago Bulls = 90.59 36 40 90.20( 8) 9 18 | 14 26 | 90.78 15 | 90.24 19 | 90.68 15 CENTRAL 25 Indiana Pacers = 86.51 33 44 90.38( 5) 6 20 | 16 27 | 86.77 26 | 86.95 25 | 86.13 25 CENTRAL 28 Detroit Pistons = 82.49 16 60 90.62( 1) 3 26 | 6 38 | 82.56 28 | 82.28 28 | 82.56 28 CENTRAL _________________________________________________________________________________________________________________________________________________ 5 SOUTHEAST = 88.65 88.49 ( 5) TEAMS= 5 88.50 ( 5) NBA 2022-2023 through games of 2023 March 29 Wednesday RATING W L SCHEDL(RANK) VS top 10 | VS top 16 | PREDICTOR | GOLDEN_MEAN | RECENT HOME ADVANTAGE=[ 2.84] [ 2.86] [ 2.87] [ 2.43] 17 Atlanta Hawks = 90.33 38 38 89.97( 18) 13 13 | 19 22 | 90.19 18 | 90.33 18 | 90.41 17 SOUTHEAST 20 Miami Heat = 89.91 40 37 90.27( 7) 13 15 | 19 25 | 89.98 19 | 90.74 14 | 89.47 21 SOUTHEAST 22 Washington Wizards = 88.78 34 42 90.32( 6) 9 17 | 15 28 | 88.97 23 | 88.85 22 | 88.65 23 SOUTHEAST 24 Orlando Magic = 87.95 32 44 90.18( 9) 9 17 | 19 22 | 87.34 25 | 86.83 26 | 88.72 22 SOUTHEAST 27 Charlotte Hornets = 85.50 26 51 90.45( 4) 5 21 | 8 33 | 85.01 27 | 85.41 27 | 85.76 26 SOUTHEAST _________________________________________________________________________________________________________________________________________________ 6 southwest = 87.82 87.46 ( 6) TEAMS= 5 87.53 ( 6) NBA 2022-2023 through games of 2023 March 29 Wednesday RATING W L SCHEDL(RANK) VS top 10 | VS top 16 | PREDICTOR | GOLDEN_MEAN | RECENT HOME ADVANTAGE=[ 2.84] [ 2.86] [ 2.87] [ 2.43] 6 Memphis Grizzlies = 93.06 48 28 89.59( 30) 12 12 | 19 19 | 93.19 6 | 93.70 6 | 92.71 6 southwest 16 New Orleans Pelicans = 90.45 38 38 89.77( 26) 8 17 | 15 20 | 90.86 14 | 90.62 15 | 90.18 18 southwest 18 Dallas Mavericks = 90.27 37 40 89.97( 19) 10 17 | 18 25 | 90.72 16 | 90.57 16 | 89.90 19 southwest 29 Houston Rockets = 82.11 18 59 90.48( 2) 5 23 | 8 38 | 82.12 29 | 81.73 30 | 82.28 29 southwest 30 San Antonio Spurs = 81.39 19 57 90.12( 11) 5 19 | 9 32 | 80.98 30 | 81.88 29 | 81.28 30 southwest _________________________________________________________________________________________________________________________________________________ 4 northwest = 89.69 89.85 ( 4) TEAMS= 5 89.83 ( 4) NBA 2022-2023 through games of 2023 March 29 Wednesday RATING W L SCHEDL(RANK) VS top 10 | VS top 16 | PREDICTOR | GOLDEN_MEAN | RECENT HOME ADVANTAGE=[ 2.84] [ 2.86] [ 2.87] [ 2.43] 5 Denver Nuggets = 94.18 51 24 89.67( 29) 12 7 | 23 13 | 93.92 5 | 94.24 4 | 94.30 4 northwest 15 Minnesota Timberwolves = 90.49 39 38 90.05( 15) 14 16 | 19 21 | 90.21 17 | 90.38 17 | 90.69 14 northwest 21 Oklahoma City Thunder = 89.36 38 39 89.98( 17) 8 18 | 18 26 | 89.32 21 | 88.92 21 | 89.61 20 northwest 23 Utah Jazz = 88.74 36 40 89.88( 23) 8 18 | 18 24 | 89.17 22 | 88.77 23 | 88.51 24 northwest 26 Portland Trail Blazers = 86.48 32 44 90.05( 14) 7 18 | 10 30 | 87.35 24 | 87.09 24 | 85.58 27 northwest _________________________________________________________________________________________________________________________________________________ 2 pacific = 91.53 91.49 ( 2) TEAMS= 5 91.49 ( 2) NBA 2022-2023 through games of 2023 March 29 Wednesday RATING W L SCHEDL(RANK) VS top 10 | VS top 16 | PREDICTOR | GOLDEN_MEAN | RECENT HOME ADVANTAGE=[ 2.84] [ 2.86] [ 2.87] [ 2.43] 7 Phoenix Suns = 92.54 41 35 90.10( 13) 10 14 | 22 19 | 92.45 7 | 92.53 7 | 92.60 7 pacific 9 Golden State Warriors = 91.64 40 37 89.94( 20) 11 12 | 20 21 | 91.67 9 | 91.62 9 | 91.64 11 pacific 10 Sacramento Kings = 91.63 46 30 89.76( 27) 9 14 | 19 20 | 91.33 10 | 91.40 11 | 91.91 9 pacific 11 Los Angeles Clippers = 91.41 41 36 89.74( 28) 10 17 | 16 22 | 90.99 13 | 90.93 13 | 91.89 10 pacific 19 Los Angeles Lakers = 90.24 38 38 89.98( 16) 11 17 | 17 26 | 89.73 20 | 90.03 20 | 90.62 16 pacific 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Predictions_with_Totals
These are the "regular method". _ HOME or CLOSEBY (c) team in CAPS _ both teams in lower case _ means "n" for NEUTRAL location Rating Favorite _ MONEY=odds to 100 _ FAVORITE Rating Predict Golden Recent UNDERDOG ODDS PCT% TOTAL _ ====================================================================================================== MILWAUKEE BUCKS 2.94 2.24 2.30 3.19 boston celtics 150 60% 228.55 DENVER NUGGETS 6.57 5.92 6.49 6.55 new orleans pelicans 242 71% 227.60 EIGENVECTOR Analysis eigen MONEY=odds to 100 EPCT%=confidence EFAVORITE ESPREAD EODDS EPCT% EUNDERDOG 1 @ Milwaukee Bucks 3.04 152 60% Boston Celtics 2 @ Denver Nuggets 7.69 278 74% New Orleans Pelicans endfileTop_of_Page