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原文網址:
http://hangtime.blogs.nba.com/2014/04/11/most-valuable-player-by-the-numbers/

Is the Kia NBA Most Valuable Player award for the most outstanding player or the most important player? If it’s the latter, is it more important to turn a playoff team into a championship contender than it is to turn a Lottery team into a playoff team?
Where would the Bobcats be without Al Jefferson? The Raptors without Kyle Lowry? How about the Mavs without Dirk Nowitzki? None of those three guys are in the top 10 of our MVP Ladder as of last Friday.

NBA年度最有價值球員到底是要頒給最傑出的球員,還是最有影響力的球員? 答案如果是後者,那麼到底是將一支季後賽球隊蛻變成冠軍候選隊伍比較重要,還是把一支樂透區球隊變成季後賽球隊比較值得肯定?
如果山貓沒有Al Jefferson會怎麼樣? 暴龍少了Kyle Lowry呢? 或是小牛失去Dirk Nowitzki? 可是這三個傢伙在上星期五的MVP排行榜上都擠不進前10名。(註:這星期五的最新排行榜Jefferson排進第7名。)

In reality, MVP voting is typically a combination of three things…
Team success – Each of the last 25 MVPs played for a 1 (20) or 2 (five) seed in their conference. The last MVP not on one of the top two teams in his conference was Michael Jordan in 1988.
Production – Each of those 25 MVPs have averaged at least 36.8 points + rebounds + assists per game, with 20 of the 25 averaging at least 40.
Importance – This can lead to a narrative creeping into the conscience of a voter (see Derrick Rose in 2011), but it’s something that advanced stats can help quantify.

實際上,MVP的票選通常是以下三個因素綜合的結果…
球隊戰績 - 過去25年來每位MVP的球隊至少都是分區的第一(20位)或第二(5位)種子,上一個沒有身處分區前兩名球隊的MVP是1988年Michael Jordan。
數據 - 過去25位MVP平均得分、籃板和助攻的總合至少在36.8以上,其中有20位在40以上。
重要性 - 憑一己之力率領球隊的情節很容易感染到投票者的內心(看看2011年的Derrick Rose),但是這種東西其實可以透過進階數據來幫忙量化評估。

Obviously, in terms of production, Kevin Durant and LeBron James lead the pack. They rank first and second in our PIE statistic. And through Thursday, their teams each rank second in their conference.
All stats are through Wednesday, April 9.
But can we tell which guy has been more important to their team’s success? If you look at team numbers with each on and off the floor, they’re both in the same ball park.

顯然從數據來看,Kevin Durant和LeBron James領先其他競爭者,他們分別在PIE統計上排行第1和第2,而且到星期四為止,他們的球隊各自在分區中排名第二。
以下所有的數據統計到星期三(4/9)。
我們要如何判斷哪個傢伙對所屬的球隊戰績比較重要呢? 如果你從下表列出的On/Off去比較,他們都處在同一個水平上。

Thunder & Heat NetRtg with Durant and James on and off the floor

  On floor Off floor Difference
Player MIN NetRtg MIN NetRtg NetRtg Rank
Kevin Durant 2,961 +8.2 808 +3.6 4.5 67
LeBron James 2,830 +8.1 954 +3.3 4.9 64

NetRtg = Point differential per 100 possessions
Rank = Among 244 players who have logged at least 1,000 minutes with one team

The Thunder have been 8.7 points per 100 possessions better offensively and 4.2 points per 100 possessions worse defensively with Durant on the floor. The Heat have been 8.1 points per 100 possessions better offensively and 3.3 points per 100 possessions worse defensively with James on the floor.
Those numbers are influenced by who Durant and James are playing with and against. Both have All-Star teammates that have missed big chunks of the season. Russell Westbrook has missed 35 games for the Thunder, while Dwyane Wade has missed 27 games for the Heat. Durant (43 percent) and James (41 percent) have each played less than half of their minutes with their costars on the floor.
But Serge Ibaka and Chris Bosh are both really good too. And both have missed just one game all season.
James has played more minutes without either Wade or Bosh than Durant has played without either Westbrook or Ibaka. But the Thunder’s only-Durant minutes have been much more successful than the Heat’s only-James minutes.

當Durant在場上時,雷霆每100次球權的進攻效率增加8.7分,防守效率退步4.2分,而當James上場時,熱火的進攻效率進步8.1分,防守退步3.3分。
這些數據其實會受到和Durant以及James一起上場的隊友和隊手影響,他們的全明星隊友本季都缺席了大半時間,Russell Westbrook休息了35場比賽,而Dwyane Wade缺賽了27場,Durant(43%)及James(41%)和他們的明星搭檔一起上場的時間比例都不到50%。
不過Serge Ibaka和Chris Bosh都表現的很好,而且整季下來也都只缺席一場比賽。
James在沒有Wade和Bosh的情況下,出賽的時間比Durant沒有Westbrook和Ibaka還多,但是雷霆在三名主力只有Durant出賽的時間裡,表現得比熱火只有James時還好。

Thunder efficiency with Durant on the floor

On floor MIN OffRtg DefRtg NetRtg +/-
Durant + Ibaka + Westbrook 1,128 110.1 103.9 +6.2 +143
Durant + Ibaka, no Westbrook 1,195 107.0 100.7 +6.3 +162
Durant + Westbrook, no Ibaka 146 113.3 98.2 +15.1 +43
Durant, no Ibaka or Westbrook 492 114.7 99.6 +15.1 +153

OffRtg = Points scored per 100 possessions
DefRtg = Points allowed per 100 possessions

Heat efficiency with James on the floor

On floor MIN OffRtg DefRtg NetRtg +/-
James + Bosh + Wade 1,022 109.5 101.4 +8.1 +156
James + Bosh, no Wade 1,113 115.4 101.6 +13.8 +270
James + Wade, no Bosh 127 107.8 107.8 -0.0 +2
James, no Bosh or Wade 568 109.0 109.9 -1.0 -18

James and Bosh have been a better tandem, but Durant has been, by far, the better solo act. Those 568 minutes are just 20 percent of James’ total playing time, but the numbers make it clear that Bosh has been a critical component to the Heat’s defense. His presence on the floor has been more important for the Heat than Ibaka’s has been for the Thunder.
These guys are never playing by themselves, of course. Beyond each team’s big three, the Thunder have gotten more consistent production from their role players. Nick Collison has the best on-off-court differential of OKC regulars.
But Collison has played less than 1,300 minutes and Durant’s on-court numbers appear to have been less influenced by the other stars on his team. The Thunder have the better record overall (57-21 vs. 53-25) and the better record when star No. 2 is out (35-10 vs. 27-10).

James和Bosh搭檔時是比較有效率的,但是Durant在獨秀時厲害多了。James這單獨上場的568分鐘只不過佔他全部出賽的20%而已,但是這些數據清楚顯示了Bosh是熱火防守系統中的關鍵部份,他在場上對熱火的重要性比起Ibaka對雷霆還要明顯。
當然場上不是這有這些傢伙而已,這兩隊除了三巨頭之外,雷霆的角色球員提供了更穩定的數據,Nick Collison更是OKC球員中On/Off差異最好的一位,然而Collison只出賽了不到1300分鐘。Durant在場上的表現似乎和隊中的明星隊友比較無關,雷霆的戰績比熱火好(57勝21負vs.53勝25負),而且當他們的第二把交椅缺賽時戰績也更好(35勝10負vs.27勝10負)。

If James is going to be the fourth player to win five or more MVP awards, it probably won’t happen this year.

如果James想要成為第4位拿下至少5次MVP的球星,這可能不會在今年實現。

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  • 訪客
  • 當Durant在場上時,雷霆每100次球權的進攻效率增加8.7分,防守效率退步4.2分
    是不是作者也打錯了???
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