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Trying to Rank NBA players

Discussion in 'Houston Rockets: Game Action & Roster Moves' started by Unstable, Aug 10, 2013.

  1. SuperKev

    SuperKev Member

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    I've contributed a couple of times and they didn't upgrade me for some reason. Still stuck in non-editing land unfortunately.
     
  2. Unstable

    Unstable Member

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    thanks dakeem, rondo's figures were high because he was excellent way back in 2011-2012.

    But I think it might be alright for us to start with this baseline - since the RRS moving forward will self-correct as we make use of more current results to adjust their scores. For those you have highlighted as being "over-rated" - they will suffer (and lose points) as the season progresses and they don't meet the expectations of the high value assigned to them - which will regress to their more suitable level.

    Taking into this light - I am now considering how I should compute the Improvements/regressions as the season progress.

    Here's my basic idea:
    Player will have an RRS score X, he will be involved in Game 1 versus the other teams - the option I am considering now are:
    (1) A simple head-to-head comparison if player is SF his stats will be compared to opponent's SF and see who comes up better (i.e. it doesn't matter if his team loses, if he beats his corresponding opposition his RRS will improve and that of his opponent will regress).
    (2) An averaged comparison if player plays in a Forward position - his performance is graded against the averaged performance of all opposing forwards.
    (3) Comparing against averaged of all opposing team members.

    Quantum of score change options:
    (a) Fixed quantum of base value 82 - ratio worked out by relative chance of player A winning against player B on RRS score ratio. Higher ranked player gain less lose more and vice versa
    (b) Quantum based on RRS score difference between rated players. If player A is 1000, player B is 1500 - the quantum at stake is 500 - ratio of risk worked out as per (a).
    (c) Quantum based on RRS score difference between team ratings.
     
  3. Unstable

    Unstable Member

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    Last I checked with the ESPN depth chart for teams (on 25 Sep) - there have been some player changes (some are still on Injury List (IL) - and some replacements (R)

    So here goes the updated baseline ranking (based on Adjusted Best 3 averages or AB3):

    Guards:
    1. R. Rondo Celtics 1972 (note - this was the last known stats and not 2012-2013) - on IL
    2. K. Bryant Lakers 1878
    3. C. Paul Clippers 1863
    4. J. Harden Rockets 1845
    5. P. George Pacers 1842
    6. R. Westbrook Thunder 1818 on IL
    7. D. Wade Heat 1755
    8. R. Rubio Timberwolves 1702
    9. S. Curry Warriors 1644
    10. M. Ellis Mavs 1635
    11. D. Rose Bulls 1628
    12. J. Holiday Pelicans 1599
    13. G. Vasquez Kings 1574
    14. J. Wall Wizards 1572
    15. K. Irving Cavs 1539
    16. K. Walker Bobcats 1522
    17. T. Parker Spurs 1512
    18. M. Conley Grizzlies 1499
    19. D. Williams Nets 1480
    20. K. Lowry Raptors 1443
    21. B. Jennings Pistons 1442
    22. G. Dragic Suns 1427
    23. J. Nelson Magic 1421
    24. T. Lawson Nuggets 1420
    25. D. Lillard Blazers 1412
    26. J. Teague Hawks 1383
    27. T. Allen Grizzlies 1378
    28. E. Turner 76ers 1350 (R)
    29. J. Lin Rockets 1302
    30. D. DeRozan Raptors 1276
    31. M. Carter-Williams 76ers 1271 (P)
    31. B. McLemore Kings 1271 (P)
    31. T. Burke Jazz 1271 (P)
    34. K. Thompson Warriors 1268
    35. E. Bledsoe Suns 1230
    36. G. Hill Pacers 1223
    37. R. Felton Knicks 1220
    37. S. Nash Lakers 1220
    39. L.J. Mayo Bucks 1211
    39. G. Henderson Bobcats 1211
    41. B. Beal Wizards 1205
    42. T. Sefolosha Thunder 1192
    43. D. Green Spurs 1186
    44. A. Afflalo Magic 1184
    45. W. Matthews Blazers 1175
    46. J. Calderon Mavs 1166
    >>J. Richardosn 76ers 1153 replaced by E. Turner 76ers 1350 (see above)
    47. J. Johnson Nets 1122
    48. E. Gordon Pelicans 1073
    49. J. Butler Bulls 1066
    50. D. Waiters Cavs 1047
    51. L. Williams Hawks 1025
    52. M. Chalmers Heat 999
    53. J. J. Redick Clippers 995
    54. K. Martin Timberwolves 989
    55. L. Ridnour Bucks 970
    >>A. Bradley Celtics 957 replaced by C. Lee Celtics 779 (see below)
    56. I. Shumpert Knicks 897
    57. C. Lee Celtics 779 (R)
    58. A. Burks Jazz 689
    59. C. Billups Pistons 653
    60. E. Fournier Nuggets 489

    Forwards
    1. L. James Heat 2400
    2. K. Durant Thunder 2299
    3. D. Howard Rockets 2045
    4. A. Iguodala Warriors 1995
    5. J. Noah Bulls 1946
    6. P. Pierce Nets 1902
    7. D. Cousins Kings 1883
    8. J. Smith Pistons 1856
    9. N. Batum Blazers 1853
    10. G. Monroe Pistons 1850
    11. T. Duncan Spurs 1848
    12. T. Evans Pelicans 1796
    13. B. Griffin Clippers 1790
    14. L. Sanders Bucks 1777
    15. R. Gay Raptors 1768
    16. A. Bynum Cavs 1758
    16. K. Love Timberwolves 1758
    18. A. Horford Hawks 1744
    19. C. Anthony Knicks 1714
    20. A. Davis Pelicans 1706
    20. D. Lee Warriors 1706
    22. M. Gasol Grizzlies 1695
    23. T. Young 76ers 1689
    24. S. Ibaka Thunder 1656
    25. A. Jefferson Bobcats 1645
    26. L. Aldridge Blazers 1621
    27. P. Millsap Hawks 1607
    28. L. Deng Bulls 1599
    29. C. Parsons Rockets 1585
    30. Z. Randolph Grizzlies 1580
    >>E. Turner 76ers 1580 replaced by L. Allen 76ers 631 (see below)
    31. R. Hibbert Pacers 1572
    32. B. Lopez Nets 1563
    33. N. Vucevic Magic 1555
    34. D. West Pacers 1547
    35. K. Garnett Nets 1542
    36. K. Leonard Spurs 1528
    37. C. Boozer Bulls 1525
    38. P. Gasol Lakers 1514
    39. A. Drummond Pistons 1509
    40. S. Marion Mavs 1492
    41. K. Faried Nuggets 1473
    42. D. Favors Jazz 1454
    43. A. Johnson Raptors 1449
    44. C. Bosh Heat 1427
    45. N. Pekovic Timberwolves 1419
    46. D. Gallinari Nuggets 1413
    47. G. Davis Magic 1408 on IL
    48. M. Gortat Suns 1394
    49. N. Hilaro Wizards 1391
    50. G. Hayward Jazz 1369
    51. O. Asik Rockets 1353
    52. E. Ilyasova Bucks 1350
    53. D. Nowitzki Mavs 1337
    54. T. Thompson Cavs 1326
    55. T. Chandler Knicks 1323
    55. A. Bogut Warriors 1323
    57. J. Dudley Clippers 1282
    >>K. Olynyk Celtics 1271 (P) replaced by K. Humphries Celtics 603 (see below)
    58. O. Porter Wizards 1271 (P)
    58. C. Zeller Bobcats 1271 (P)
    60. D. Jordan Clippers 1214
    61. K. Korver Hawks 1200
    62. E. Okafor Wizards 1192
    63. S. Hawes 76ers 1186
    64. T. Splitter Spurs 1178
    65. J. McGee Nuggets 1140
    66. R. Lopez Blazers 1134
    67. J. Thompson Kings 1102
    68. J. Green Celtics 1088
    69. M. Morris Suns 1088
    70. T. Prince Grizzlies 1077
    71. K. Perkins Thunder 1066
    72. M. Kidd-Gilchrist Bobcats 1055
    73. T. Harris Magic 1022
    74. J. Valanciunas Raptors 1009
    75. A. Bargnani Knicks 987
    76. S. DaLembert Mavs 951
    77. N. Young Lakers 946
    >>C. Butler Suns 940 replaced by G. Green Suns 488 (see below)
    78. C. Butler Bucks 940 (R)
    79. E. Clark Cavs 938
    80. C. Kaman Lakers 921
    81. L. Mbah a Moute Kings 916
    82. B. Bass Celtics 905
    83. C. Budinger Timberwolves 872
    84. E. Kanter Jazz 760
    85. J. Smith Pelicans 749
    86. U. Haslem Heat 730
    >> J. Henson Bucks 722 replaced by C. Butler Bucks 940 (see above)
    87. L Allen 76ers 631 (R)
    88. K. Humphries Celtics 603 (R)
    89. D. Granger Pacers 585
    90. G. Green Suns 488 (R)

    It's quite likely when the season starts there would be some changes (especially for players on IL)- but I will see how I want to track this when we get there....
     
  4. tallanvor

    tallanvor Member

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    Why would you weight assists and points the same? 1 assist = at least 2 points.

    Also nothing should ever be done using 'per game' stats. Those hold no value.

    did you contribute money? Clutch doesn't need blood or clothes.
     
    #24 tallanvor, Sep 24, 2013
    Last edited: Sep 25, 2013
  5. Knickskiller

    Knickskiller Member

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    Sorry Harden is great offense, but all know that total zero on D.
    Hopefully this year he will superstar both ways.
     
  6. Unstable

    Unstable Member

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    Good questions tallanvor, - my main purpose is to track whether our players have improved or gone downhill over the season. So it may not be critical that assist and points are having the same weight or not (I am not sure - but I will see if we need to tweak it as the season progresses).

    The per game tracking is just to try out and see if a chess-type ranking adjustments would be useful. This is all experimental but on paper - it sounds as if it might work. Players can play well but the team as a whole still loses, or a player may sucked but the other players in the team pull a good job to achieve a win overall. So I thought, we may want to track a player directly and see how his rating points would change.

    I am using a chess-based method - as such, I will be trying to compare Guards with Guards and Forwards with Forwards. I notice that these days, PG/SG often switch around - and forwards can cover each other's roles as well. So mainly treating them as 2 categories. Some players like James and Bryant often switch roles - so at the moment I am not sure if I want to adjust their rating points accordingly.

    At the moment, I am trying to decide if I should make a comparison to an opponent team averaged performance or, an opponent position-averaged performance or a 1-1 opponent performance.
     
  7. jtr

    jtr Member

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    These people need to do a sanity check before starting a new thread. The three best guards in the NBA are Parker, Paul and Harden next season. It is not even close.
     
  8. jtr

    jtr Member

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    And I would like to say that Rondo cannot shoot and the Celtics have been better off with him on the bench recently. Context.
     
  9. SuperKev

    SuperKev Member

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    Yep, contributed cash via paypal, emailed them the dates and transaction numbers a couple of times but I guess they don't pay too much attention to the tipjar anymore. Last time I contributed was just a few months ago.
     
  10. Unstable

    Unstable Member

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    Hey chill jtr, this is an experiment - I am not claiming that this is the actual situation - my main purpose is to track if our players have improved over the season or not.

    The nice thing about the chess-rating/ranking system is that it is self-correcting - i.e. as the season pans out - the good players will gain points and the lousy players will lose points - so if anyone is overrated they would drop reasonably quickly downwards, and if anyone (like Parker in this case is under-rated as you think he is), he would gain points in his ratings and climb up the charts.

    At the moment, I think perhaps about 20 games or so should bring us closer to reality (but I am not sure) - so let's just see how it goes....

    Anyways Rondo's baseline is skewed but I could only deal with what data I had on hand.

    Another method I could adopt would be to make everyone at the same baseline (i.e. 1271) - but that may take us longer to get every player closer to their actual rating (maybe at least 40 odd games - depending on the amount of time I have on hand - I might just do that tracking as well).
     
  11. sugrlndkid

    sugrlndkid Member

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    was this article posted???

    http://nba.si.com/2013/09/24/kevin-durant-dwyane-wade-james-harden-top-10-players-2014-sports-illustrated-point-forward/?sct=hp_t2_a3&eref=sihp

    Kevin Durant and Heat guard Dwyane Wade exchanged social media barbs on Tuesday after the Thunder star said he would take Rockets guard James Harden over Wade in a list of the top 10 NBA players.

    Last week, The Point Forward unveiled our Top 100 Players of 2014, placing Durant at No. 2, Wade at No. 8 and Harden at No. 11.

    Durant was asked for his reaction to SI.com’s list in a Cinesport.com video interview.

    “I think you’re missing on James Harden,” Durant said. Asked which player his former Thunder teammate should replace, Durant replied, without hesitation: “Dwyane Wade.”

    Wade then posted a response to Durant’s statement on his Instagram account.

    Dating the note 9/24/13, Wade wrote: “Kevin Durant said James Harden should replace me in the top 10… Note to self: Make him respect your place in history… again … “

    The Heat — led by LeBron James and Wade — defeated Durant, Russell Westbrook and Harden in five games in the 2012 NBA Finals.

    In a response to Wade’s response, Durant wrote on Twitter: “Show me, don’t tweet me.”

    Wade was the top-ranked shooting guard on the list, followed by the Lakers’ Kobe Bryant (No. 9) and Harden. The full top 10, in order: James, Durant, Chris Paul, Tony Parker, Westbrook, Tim Duncan, Dwight Howard, Wade, Bryant and Carmelo Anthony.

    Wade, 31, averaged 21.2 points. 5.1 assists, five rebounds and 1.9 steals and shot 52.1 percent from the field last season. The nine-time All-Star and three-time champion posted a Player Efficiency Rating (PER) of 24 and 9.6 Win Shares (a metric that uses box score data to estimate the total number of wins a given player contributes) for the Heat, who won their second title in a row.

    Bryant, 35, averaged 27.3 points, six assists, 5.6 rebounds and 1.4 steals and shot 46.3 percent. The 15-time All-Star and five-time champion finished with a PER of 23 and 10.9 Win Shares, but he suffered an Achilles tendon injury in April and his status for the 2013-14 opener is in question.

    Harden, 24, averaged 25.9 points, 5.8 assists, 4.9 rebounds and 1.8 steals and shot 43.8 percent in his first season with Houston after being traded from Oklahoma City. The four-year veteran had a PER of 23 and 12.8 Win Shares, and was selected to his first All-Star Game.

    Durant and Wade co-starred in a Gatorade advertising campaign earlier this year. In the ad, Durant wakes up from a nightmare in which Wade blocks his shot before proceeding to train relentlessly. In the spot’s second sequence, Durant then dunks over Wade, prompting Wade to wake up from a nightmare of his own.
     
  12. topfive

    topfive CF OG

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    OP is the first CF member ever to use "whilst" non-ironically in a post.
     
  13. Fyreball

    Fyreball Member

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    Just send an email to Clutch directly through the board. He's a really busy guy, so he doesn't always get a chance to see contributions. When you email him though, he's awesome about getting back to you in a short manner, and getting you set up.
     
  14. apcgamb24

    apcgamb24 Member

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    Your first mistake was using base stats
     
  15. Unstable

    Unstable Member

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    Maybe you are right, apc, but I just experiment with what is available to me. I know there are more advance stats available - but those may not be easy to incorporate. Anyways, I am trying out by going through last season games and rating players from Game 1 through to Game 82 (for 30 teams) and see how it goes.....

    I've got some time to kill before the next season starts anyways....
     
  16. Unstable

    Unstable Member

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    Okay folks, we had played 5 games - here's my tracking of the Rockets starters (currently I am only listing JLin instead of Bev as Bev has only played 3 games - but will be tracking both Bev and Lin and treating them as starters (i.e. comparing them to other team starters).

    Also having tried out some figures using last season stats (haven't finished it as it's quite tedious) - I have decided to start every starter from every team using the median RV of 1271 - in short if you see anyone with RV below this - they are really sub-par.

    So after 5 games the averaged RV values for our starters are as follows:
    Harden - 1339
    Howard - 1314
    Lin - 1281
    Parsons - 1270
    Asik - 1269

    So I think for those panicking about Harden, please cut him some slack, he is doing fine on average - it's Parsons and Asik we really need to worry about somewhat. Lin is holding his own and Howard looks okay too.
     
  17. Voice of Aus

    Voice of Aus Member

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    DO minutes played get factored into the equation?
     
  18. lookabove

    lookabove Member

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  19. Unstable

    Unstable Member

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    Not at the moment no. In fact, I am using a simple comparison of base stats at the moment ( there is another layer I havent make use of to vary the differences between players )

    Currently, am just comparing forwards vs averaged opposing forwards stats and guards vs averaged opp. Guards in pts, reb, ast, stl and blk there is basically 3 outcomes, a player either outplays the opposing average, draws or underperforms. Depending on the starting RV differences between the comparisons there are graduated variations in points gained or loss.

    E.g. Player A starting rv is 1271 vs opp. Players av rv also 1271, if player A outperforms, he gains 41, if he underperforms he loses 41, if he draws he get 0
    (the complication I haven't introduced is to treat a 5:0 perforamce different from a 4.5:0.5 vs 4:1 vs 3.5:1.5 vs 3:2 as they represent different grades of performances, I haven't worked how best to allocate points differences as yet give me sone time to tinker)
     
  20. Unstable

    Unstable Member

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    An update of Rockets calculations up till 14Nov2013 (or their 10th game) - apologies for those interested as it's fairly slow going having to analyze player by player.

    Bev hasn't completed 10 games (and Harden is short of 1 and Asik short of some) but I will report their averaged RV figures as well (TJones has only 3 starts so won't be presenting yet).

    After 10 Games
    Harden - 1331
    Howard - 1310
    Lin - 1274
    Parsons - 1261
    Beverley - 1242
    Asik - 1231

    Tapering off from Asik looks quite sharp though - let's hope he bounces back (that is if coach is willing to play him more). I think Bev's RV may rise a bit more as he seems to be improving.

    that's all for the moment...
     

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