FanPost

Pure Point Rating: A Primer

(Ben - from the FanPosts)

What's Pure Point Rating, you ask? Well, interestingly enough, I didn't know about it before I was handily linked over to the recent 10-day contract primer on SB Nation's NBA page. But it is a John Hollinger-designed "Sabermetric" state which attempts to measure a point guard's ability to play as a point guard should (by maximizing assists and minimizing turnovers through good decision-making, vision, and ballhandling.) Below the jump, we'll outline the formula and take a look at some of the NBA's leaders in the statistic.

As described by Ian Levy at Hickory-High.com, PPR was created by Hollinger, "because of frustration with the inaccurate pictures of a player's ability which can be drawn from Assist to Turnover ratio," which has always been one of my personal favorite measures of a point guard's competency in running an offense. The formula is as follows:

Pure Point Rating=100 x (League Pace/Team Pace) x ([(Assists x 2/3)-Turnovers] / Minutes.)

This allows for several factors to be taken into account. First, the statistic takes into account that a while an assist is typically worth two points, the passer can only take credit for getting the ball to a shooter who has gotten himself open and then makes the shot. 33% of the credit times two points=.66. This is left to stand as a lesser positive value to turnovers, which statistically cost a team about a point each. Then, the stat is adjusted for both tempo and minutes played, so both offensive style and playing time are eliminated as independent variables. In summary, the stat creates "a single numeric representation of a player's ability to handle the ball and create positive shot opportunities for their teammates," something that, to me, is a pretty cool mission to try and accomplish. So judge for yourself: take a look at this year's league leaders among those who have played 20+ minutes a night (according to DraftExpress) and see if you think it does a solid job of identifying the "true point guards" in the NBA.

Rank

Player

Team

PPR

League Rank, A:TO

1

Jose Calderon

TOR

11.58

2

2

Chris Paul

LAC

11.00

1

3

Steve Nash

PHO

9.98

9

4

Ricky Rubio

MIN

7.86

11

5

Tony Parker

SA

7.69

6

6

Andre Miller

DEN

7.64

7

7

Nate Robinson

OKC

7.28

4

8

Derrick Rose

CHI

6.53

12

9

Mike Conley

MEM

6.48

10

10

Kyle Lowry

HOU

6.40

15

11

Jarrett Jack

NO

5.99

8

12

Rajon Rondo

BOS

5.94

25

13

Ramon Sessions

CLE

5.88

17

14

D.J. Augustin

CHA

5.69

16

15

Earl Watson

UTA

5.64

23

16

Derek Fisher

LAL

5.33

5

17

Louis Williams

PHI

5.26

3

18

Raymond Felton

POR

5.25

20

19

Ty Lawson

DEN

4.76

18

20

Jason Kidd

DAL

4.60

19

Some other NBA notables?

* LeBron James:1.53

* Kobe Bryant: -0.53

* Dwyane Wade: 2.43

* Kyrie Irving: 0.81

* Andre Iguodala: 4.25 (league-leader among wing players)

* Jared Dudley: 1.28 (league-leader among PF-qualified players)

* Boris Diaw: 1.14 (2nd among PF-qualified players)

* Spencer Hawes: 1.25 (league leader among centers)

* DeMarcus Cousins: -7.55 (league worst)

* Corey Maggette: -5.01 (league-worse among wing players)

* Stephen Jackson: -3.40

And, finally, the bottom of the league among true PGs:

Player

Team

PPR

Russell Westbrook

OKC

-0.62

Jimmer Fredette

SAC

-0.89

Toney Douglas

NY

-1.27

Iman Shumpert

NY

-1.30

Brandon Knight

DET

-1.35

It will be an interesting statistic to track for our friend Kemba Walker, who currently sits at a 1.30 mark and never exceeded a 1.84 mark at UConn (last year.) Augustin, FYI, has never been below a 2.42 in the NBA or at Texas.

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