Efficiency Ratings: Virginia Tech

Efficiency Ratings: Virginia Tech

Using an NBA Efficiency Rating Formula, TDD tracks the best statistical performances of the season.

A quick way NBA coaches measure a player's game performance is by evaluating his efficiency. In order to find a player's efficiency the following formula is used:

((Points + Rebounds + Assists + Steals + Blocks) - ((Field Goals Att. - Field Goals Made) + (Free Throws Att. - Free Throws Made) + Turnovers)).

For example, compare the following stat lines:

Player A: 17 points (5-of-22 FG, 7-9 FT), 8 rebounds, 6 assists, 3 steals, 4 turnovers.

Player B: 15 points (5-8 FG, 3-4 FT), 4 rebounds, 7 assists, 2 turnovers

Who had the better game? Using the above referenced formula player B, who hit five of eight shots and committed two turnovers registered a +20 efficiency total while Player A who missed 17 shots and had four turnovers had just a +11 rating.


LATEST GAME
DURHAM, N.C. (AP) — Rodney Hood scored 21 points to help No. 6 Duke beat Virginia Tech 66-48 on Tuesday night.

Rasheed Sulaimon added 15 points for the Blue Devils (23-6, 12-4 Atlantic Coast Conference), who jumped to a 24-4 lead midway through the first half and never trailed — though they struggled to land a game-finishing blow on the Hokies.

Duke didn't shoot the ball particularly well and its outside shooting was streaky, but it still had relatively little trouble against a Virginia Tech team that has won just once since the start of the calendar year. The last-place Hokies (9-18, 2-13) had a strong start to the second half and got within seven points, but never seriously threatened what would have been an improbable comeback in Cameron Indoor Stadium.

The Blue Devils finished the game shooting 39 percent, including 10 for 33 from 3-point range — well below their ACC-leading 40.7 percent.


v. Virginia Tech
(change from previous game)

  • Rodney Hood +19 (+9)
  • Jabari Parker +20 (-1)
  • Amile Jefferson +11 (+4)
  • Quinn Cook -1 (-3)
  • Rasheed Sulaimon +18 (+6)
  • Tyler Thornton +12 (—)
  • Matt Jones -1 (—1)
  • Josh Hairston -1 (—1)
  • Semi Ojeleye 0 (—)
  • Andre Dawkins -1 (+1)
  • Marshall Plumlee +9 (-1)

Notes: The rotation is beginning to solidify as Duke prepares for March. Accordingly, Coach K has said that Hood and Parker will be on the floor as much as possible. That'll be huge drops in minutes and likely production for various reserves such as Hairston, Jones, and even Dawkins. It began against Virginia Tech as that trio combined to score -3 in a total of 15 minutes.

As for the top of the rotation, Duke got a combined +39 from Hood and Parker with the freshman scoring the highest at +20 despite an off night from the field (3-of-11). Making up for the poor shooting was Parker's 12 rebounds, three blocks, three assists, and three steals. Meanwhile, Hood shot well, but his low rebounding total (2) prevented his score from passing the 20 point mark.

Duke also got a balanced game from the other three starters with each of Sulaimon, Jefferson and Thornton scoring at least +11 on the night. The best was Sulaimon who hit a +18 thanks to 15 points and five assists against no turnovers. Thornton didn't score as much (3 points), but his 7-to-0 assist to turnover ratio was more than enough to counter his poor shooting (1-of-5) and keep his score high.

Duke will hope to get more from Quinn Cook next week as the junior point guard's -1 was the lowest of the season.


MEMORABLE SEASON PERFORMANCES
Throughout the season TDD will track the various highs and lows using the formula.

Ten Most Efficient Performances

  • Jabari Parker v. Boston College (+37)
  • Rodney Hood v. East Carolina (+32)
  • Rodney Hood v. Georgia Tech (+31)
  • Quinn Cook v. Michigan (+31)
  • Jabari Parker v. UCLA (+30)
  • Jabari Parker v. Alabama (+30)
  • Rodney Hood v. Davidson (+30)
  • Rodney Hood v. Florida Atlantic (+30)
  • Jabari Parker v. Vermont (+30)
  • Quinn Cook v. Davidson (+29)

Five Least Efficient Performances*
  • Andre Dawkins v. Alabama (-3)
  • Matt Jones v. Kansas (-3)
  • Josh Hairston v. Wake Forest (-3)
  • Matt Jones v. Florida State (-2)
  • Andre Dawkins v. Syracuse (-2)
*- players must play at least five minutes or factor into the box score to be considered for per game E-ratings


SEASON EFFICIENCY RATING
Cumulative Season ratings for the Blue Devils. (E/game)*

  • Jabari Parker: 588 (20.3)
  • Rodney Hood: 436 (15.0)
  • Quinn Cook: 350 (12.1)
  • Amile Jefferson: 350 (12.1)
  • Rasheed Sulaimon: 259 (9.3)
  • Andre Dawkins: 200 (7.1)
  • Tyler Thornton: 206 (7.1)
  • Marshall Plumlee: 82 (3.4)
  • Josh Hairston: 57 (2.2)
  • Matt Jones: 44 (1.7)
  • Semi Ojeleye: 39 (2.3)

Games Factored In: Ojeleye (17), Dawkins (28), Plumlee (24), Sulaimon (28), Jones (26), Hairston (26)

MOST EFFICIENT PER MINUTE
Cumulative Season ratings per minute for the Blue Devils. (E/minutes)

  • Jabari Parker: 0.672
  • Amile Jefferson: 0.554
  • Andre Dawkins: 0.499
  • Semi Ojeleye: 0.488
  • Rodney Hood: 0.465
  • Marshall Plumlee: 0.402
  • Quinn Cook: 0.393
  • Rasheed Sulaimon: 0.371
  • Tyler Thornton: 0.344
  • Josh Hairston: 0.218
  • Matt Jones: 0.213

SEASON HIGH/LOW PERFORMANCES
Tracking the most and least efficient performances by player

  • Rodney Hood +32/+3
  • Jabari Parker +37/-1
  • Amile Jefferson +28/+1
  • Quinn Cook +31/-1
  • Rasheed Sulaimon +25/-2
  • Tyler Thornton +15/+0
  • Matt Jones +12/-3
  • Josh Hairston +8/-1
  • Semi Ojeleye +16/-1
  • Andre Dawkins +23/-3
  • Marshall Plumlee +10/-1


Notes: Plumlee jumped over Cook in the per minute statistics after a third straight productive game. The sophomore big man has established himself as the primary post reserve for Duke and Coach K.

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