Advanced Statistics: Lexicon

condition

identification

Player Proficiency Rating (PER)

Statistics invented by John HollingerESPN Which makes it possible to standardize each player’s production compared to others and according to their playing time, thanks to an overall average that is always fixed at 15. This statistic (although subject to some criticism), is today the reference in the Atlantic for evaluating player production.

Top 3 (2014-15): 1- A. Davis (30.8), 2- R. Westbrook (29.1), 3- S. Curry (28.0)

(More details here)

The result

Also created by John Hollinger, this formula provides a way to evaluate a player’s performance in a match, taking most classic stats and fixing them individually thanks to a coefficient based on the importance of that statistic area, according to Hollinger. 10 average performance and 40 amazing performance.

3rd place (historic): Jordan (64.60 – 03/28/1990 – 69 points, 18 reb, 6 ast, 4 stell), 2- K Bryant (63.50 – 01/22/2006 – 81 points), 3 – K Malone (60.20 – 01/27/1990 – 61 points, 18 deductions).

GMSC = PTS + 0.4 * FG – 0.7 * FGA – 0.4 * (FTA – FT) + 0.7 * ORB + 0.3 * DRB + STL + 0.7 * AST + 0.7 * BLK – 0.4 * PF – TOV

Player Impact Rating (PIE%)

A formula that specifies the percentage of positive actions a player performs while on the field. A PIE of more than 10 is often an indicator of a player’s quality because he will perform more positive actions on average than the other nine players on the floor (mainly used by nba.com).

Top 3 (2014-15): 1- A. Davis (19.2), 2- R. Westbrook (18.7), 3- J. Harden (18.4)

PIE% = (PTS + FGM + FTM – FGA – FTA + DREB + (.5 * OREB) + AST + STL + (.5 * BLK) – PF – TO) / (GmPTS + GmFGM + GmFTM – GmFGA – GmFTA + GmDREB + (.5 * GmOREB) + GmAST + GmSTL + (.5 * GmBLK) – GmPF – GmTO)

plus/minus (+/-)

The differential of points scored and ceded by Player X’s team, when the latter is on the field.

Top three (2014-15): 1- S. Curry (+11.5), 2- D. Green (+10.6)3- K. Thompson (+10.1)

Explanations about calculating plus/minus

real shooting percentage

The world title taking into account the free-throw title.

Top 3 (2014-15): 1- K.Korver (69.9%), 2- T Chandler (69.7%)3- B Wright (66.0%)

TS \% = \frac{PTS}{2(FGA + 0.44\times FTA)}

Attempt rate 3 points

Percentage of shots taken at 3 points.

Top 3 (2014-15): 1- J Jones (87.1%)2- Mr. Miller (86.0%)3- K. Corver (74.8)

3 wives = 100 * (3PTA/FGA)

Free throw attempt rate

The number of free throw attempts divided by the number of shots attempted.

Top 3 (2014-15): 1- Piombo (0.941)2- Jordan (0.882)3- T. Hansbrough (0.842)

FTAr = FTA / FGA

recovery rate

Estimate the percentage of missed shots when a player is on the field and this knockout ends.

Top 3 (2014-15): 1- H Whiteside (25.4%)2- Jordan (24.5%)3- A Drummond (24.0%)

    \text{Rebound Rate} = \dfrac{100\times\text{Rebounds}\times\dfrac {\text{Team Minutes Played}}{5}}{\text{Minutes Played}\times\left (\text{ Total team rebounds } + \ text { total rebound team discount } \ right) }

Attack Rebound Rate

Estimate the percentage of shots a team misses when the player is on the field and that ball ends with an offensive bounce.

Top 3 (2014-15): 1- A Drummond (18.3%)2- Jordan (16.2%)3- H Whiteside (15.6%)

    \text{Offensive Rebound Rate} = \dfrac{100\times\text{Offensive Rebounds}\times\dfrac {\text{Team Minutes Played}}{5}}{\text{Minutes Played}\times\left (\ Send a text message {Team Offensive Rebounds} + \text {Opposing Team Defensive Rebounds} \right)}

Defensive bounce rate

Estimate the percentage of enemy shots missed when the player is on the field and this defensive hit ends.

Top 3 (2014-15): 1- H Whiteside (34.7%)2- Jordan (32.4%)3- K. Garnett (31.1%)

    \text{Defensive Rebound Rate} = \dfrac{100\times\text{Defensive Rebounds}\times\dfrac {\text{Team Minutes Played}}{5}}{\text{Minutes Played}\times\left (\ Send a text message {Team Defensive Rebounds} + \text {Opposing Team Offensive Rebounds} \right)}

Help rate

Estimate the percentage of baskets scored by the team with the help of player X when he is on the field.

Top 3 (2014-15): 1- Paul (47.4%)2- R. Westbrook (47.0%)3- JWALL (46.3%)

AST% = 100 * AST / ((((MP / (Tm MP / 5)) * Tm FG) – FG)

Percentage of theft

The estimated proportion of an opponent’s possession that ends with Player X’s interception when he is on the field.

Top 3 (2014-15): 1- T Allen (4.1%)2- In. Calathes (3.9%)3- Leonard (3.7%)

STL% = 100 * (STL * (Tm MP/5)) / (MP * Opp Poss)

mass ratio

Estimated percentage of cross shots ending in a block by Player X when he is on the field.

Top 3 (2014-15): 1- Anthony (9.5%)2- J. Henson (9.3%)3- H Whiteside (9.2%)

BLK% = 100 * (BLK * (Tm MP/5)) / (MP * (Opp FGA – Opp 3PA))

turn ratio

Estimate the percentage of the player touching the ball that ends with the ball being lost.

Last 3 (2014-15): 1- K. Perkins (26.5%)2- K. Marshall (25.0%)3- A. Miller (24.3%)

TOV% = TO% = 100 * TOV / (FGA + 0.44 * FTA + TOV)

Usage rate

Estimate the percentage of balls a player has touched while on the field.

higher 3 (2014-15): 1- R Westbrook (38.4%)2- K. Bryant (34.9%)3- Wade (34.7%)

USG% = 100 * ((FGA + 0.44 * FTA + TOV) * (Tm MP / 5)) / (MP * (Tm FGA + 0.44 * Tm FTA + Tm TOV))

win share attack

A formula that takes into account all offensive stats, allowing to know how many additional wins Player X’s team would have had if all of his teammates had attacked like him. higher 3 (2014-15): 1- Jim Ball (+12.9)2- J. Harden (+12.2)3- S. Carey (+11.5)

Clarifications about the offensive winning share calculation

defensive win

A formula that takes into account all defensive stats, allowing to know how many additional wins Player X’s team would have had if all his teammates defended like him. higher 3 (2014-15): 1- Dr.. Jordan (+5.4)2- Dr.. Green (+5.2)3- M. Gasol (+4.7)

Clarifications on calculating the defensive winning share

win the lot

Add an offensive win share and a defensive win share.

higher 3 (2014-15): 1- J. Harden (+16.4)2- Jim Ball (+16.1)3- S. Carey (+15.7)

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