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DenButsu
10-01-2010, 08:11 AM
I'm only posting the bullet points here, pretty much.

Please follow this link to basketball-reference (http://www.basketball-reference.com/blog/?p=7538) for the whole article.


Comparing the Different Versions of “Assist Rate”

Posted by Neil Paine on October 1, 2010

In the realm of APBRmetrics, perhaps no stat has as many alternate versions (many under essentially the same confusingly interchangeable name) as "Assist Ratio/Rate". All theoretically attempt to measure passing ability, but each version has its own quirks and biases. Today I want to compare all of the versions I can think of, and show a leaderboard (minimum 500 MP) for each to get a better feel for what each is measuring, starting with...

Assist-to-Turnover Ratio

(Assists / Turnovers)

[...]

Hollinger Assist Ratio

(Assists * 100) / (FGA + (FTA * 0.44) + Assists + Turnovers)

[...]

Passes per Touch

100 * (AST / 0.17) / Touches

[...]

Pomeroy Assist Rate

100 * AST / (((MP / (Tm MP / 5)) * Tm FG) - FG)

[...]

Assists per Team Possession

100 * AST / ((MP / (Tm MP / 5)) * Tm Poss)

[...]

So, which Assist Rate is right for you? Well, as always, it depends on what you're trying to capture. If you want to know how much a player passes relative to his other offensive tendencies, Hollinger Assist Ratio or Passes/Touch is the better option. But to measure how active a role the player's passing plays in his team's offense, go with Pomeroy or Assists/Team Possession.

And whatever you do, avoid ATO.

Chronz
10-01-2010, 11:12 AM
Hes not even looking at the most accurate A/t.o. rate, BadPass to Assist ratio is a good indicator of passing IQ. Wheres Pure Point Rating?

Edit) Nvm I see his beef with the assist to turnover rates. It doesnt go the extra mile and weigh those turnovers vs those passes but I still think its an important measure to keep in mind.

arkanian215
10-05-2010, 10:59 AM
A couple of links from patsoxknicks that deal with the assist problem (not directly trying to deal with assist rates though)

http://www.82games.com/assisted.htm
http://www.hardwoodparoxysm.com/2010/03/10/nba-hd-adjusting-how-we-measure-and-view-assists/
http://www.hardwoodparoxysm.com/2010/03/18/nba-hd-dismantling-the-assist/

Patman
10-06-2010, 08:09 AM
Hes not even looking at the most accurate A/t.o. rate, BadPass to Assist ratio is a good indicator of passing IQ. Wheres Pure Point Rating?

Edit) Nvm I see his beef with the assist to turnover rates. It doesnt go the extra mile and weigh those turnovers vs those passes but I still think its an important measure to keep in mind.

Hm yeah Assist/TO ratio is a good stat. But i think you would have to take all the Turnovers away that are not happening during a pass to really have it as an assesment of how good a passer a guy is, else it factors in Ballhandling/security.