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Best website to access advanced statistics?

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Post#31 Re: Best website to access advanced statistic
Fri Sep 21, 2012 2:50 pm by Rod700

Does anyone know where I can find assist to turnover career stats?
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Post#32 Re: Best website to access advanced statistic
Fri Sep 21, 2012 3:15 pm by Rod700

EvanZ wrote:
Rod700 wrote:What is the best stat to determine a player's defensive impact? I don't like stats that incorporate blocks and steals, and would prefer something focused on the offensive production of the player he is guarding. I realize this is difficult though as zone defenses and picks reduce the clarity of which player is responsible for guarding which player. I would think that, as a result, we would be regulating to looking at team defensive statistics with a player on and off the floor. However, the advanced stats on nba.com due break out an individual players performance against another individual, player, so it seems possible to individualize the impact of a single player. I just can't find anything that quantifies how well a player does at holding other players below their average FG% or EFG% for example. Any thoughts on the best means of determining individual defensive impact?


Defense RAPM.

http://stats-for-the-nba.appspot.com/ranking_rec


Thanks for this, but I'm not quite sure how to interpret the numbers on that site. Can you give me a brief description, like the offense is X per Y, the defense is X per Y, and thus the total is X per Y?

EDIT: Let me add one other question that would help me get the basics down. In that link why are we adding defense to offense, instead of subtracting defense from offense like we would with Ortg and Drtg?
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Post#33 Re: Best website to access advanced statistic
Fri Sep 21, 2012 4:19 pm by blabla

The listed value is what the player brings the team over an average player, if he'd play the entire game.
So, if you replaced an average player on any team with Nowitzki, their offense should be 4.8 points better per game if Nowitzki plays 100 offensive possessions every game. If Nowitzki would play 100 defensive possessions per game, he'd improve his team's defense by 3.2 points per game.
For Nowitzki to help your team by 8 points per game he'd have to play the entire game (100 offensive possessions and 100 defensive possessions). In reality, no one probably plays more than 150 possessions total per game.

Whether we add defense to offense or just subtract it: that's just semantics. In case of this metric positive just always means "good"
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Post#34 Re: Best website to access advanced statistic
Fri Sep 21, 2012 6:03 pm by EvanZ

blabla wrote:
Whether we add defense to offense or just subtract it: that's just semantics. In case of this metric positive just always means "good"


Exactly. Positive on both offense and defense correlates with an *increase* in total point differential, which is what we're after.
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Post#35 Re: Best website to access advanced statistic
Tue Sep 25, 2012 6:04 am by wiLQ

Rod700 wrote:Does anyone know where I can find assist to turnover career stats?

I was convinced http://www.basketball-reference.com has it but they don't. Good catch.
Maybe you should suggest them this improvement?
I would guess it will be easy to add and I've proposed too many suggestions ;-)
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Post#36 Re: Best website to access advanced statistic
Sat Nov 3, 2012 1:07 pm by Sedale Threatt

Is anybody else's Synergy Sports membership screwed up? Not sure if I'm just doing something wrong -- always a good possibility -- or if I bought the wrong membership tier, but the 2012-13 games are not yet accessible for me.
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Post#37 Re: Best website to access advanced statistic
Tue Nov 27, 2012 7:11 am by branny

Sedale Threatt wrote:Is anybody else's Synergy Sports membership screwed up? Not sure if I'm just doing something wrong -- always a good possibility -- or if I bought the wrong membership tier, but the 2012-13 games are not yet accessible for me.


As a member of Synergy Sports, are you able to access any type of rankings? What I'm interested is how many post up or isolation possessions a team has compared to others and how effective they are at that category. It'd allow me to have a slightly better understanding of every team's offense. I realise that it's possible to manually do this by searching every team but another feature I'd like to see would be rankings of all the players but this would require a lot of time that I do not necessarily have.

Thanks
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Post#38 Re: Best website to access advanced statistic
Sat Jan 5, 2013 7:00 am by branny

Hmm no luck with that.. would really like an answer for my question mysynergy members! :(
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Post#39 Re: Best website to access advanced statistic
Fri Feb 1, 2013 12:32 pm by jman3134

http://basketballvalue.com/index.php Is this website so last year with the xRAPM out now? (and I say that in gest b/c they only have last year's numbers) Can someone (Evan) explain the difference in APM vs. xRAPM?
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Post#40 Re: Best website to access advanced statistic
Fri Feb 1, 2013 10:05 pm by EvanZ

jman3134 wrote:http://basketballvalue.com/index.php Is this website so last year with the xRAPM out now? (and I say that in gest b/c they only have last year's numbers) Can someone (Evan) explain the difference in APM vs. xRAPM?


To the first question, the guy who ran basketball-value (Aaron Barzilai) now is the head stats guy for Philly. He probably won't be updating the site going forward (I spoke to him over the phone, and while he didn't rule it out, I would say he sounded very doubtful about it).

To your second question, it's really fairly complicated. In a nutshell, RAPM is the regularized form of APM. RAPM is a better predictor than APM. xRAPM tries to use box score stats to improve the predictability of RAPM. (Apparently) it is a better predictor than pure RAPM.
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Post#41 Re: Best website to access advanced statistic
Sat Feb 2, 2013 2:10 am by -Kees-

EvanZ wrote:
jman3134 wrote:http://basketballvalue.com/index.php Is this website so last year with the xRAPM out now? (and I say that in gest b/c they only have last year's numbers) Can someone (Evan) explain the difference in APM vs. xRAPM?


To the first question, the guy who ran basketball-value (Aaron Barzilai) now is the head stats guy for Philly. He probably won't be updating the site going forward (I spoke to him over the phone, and while he didn't rule it out, I would say he sounded very doubtful about it).

To your second question, it's really fairly complicated. In a nutshell, RAPM is the regularized form of APM. RAPM is a better predictor than APM. xRAPM tries to use box score stats to improve the predictability of RAPM. (Apparently) it is a better predictor than pure RAPM.


Do you know much about what's involved in that? Cus +/- stats of any kind are like the opposite of box score stats, it seems like adding in things like point, rebounds, assists (things where the exact value of each one isn't always...exact) doesn't seem to fit into the PM model.
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Post#42 Re: Best website to access advanced statistic
Sat Feb 2, 2013 2:23 am by EvanZ

-Kees- wrote:Do you know much about what's involved in that? Cus +/- stats of any kind are like the opposite of box score stats, it seems like adding in things like point, rebounds, assists (things where the exact value of each one isn't always...exact) doesn't seem to fit into the PM model.


In theory, any orthogonal data should be able to help predictive power (or at worst not hurt), including box score data (introduced to these models as priors). If you want to read a very technical discussion of how this works, read this article (which was doing something like xRAPM before Jerry did):

http://arxiv.org/abs/1301.3523

Here's the original APBR discussion:

http://apbr.org/metrics/viewtopic.php?f=2&t=247
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Post#43 Re: Best website to access advanced statistic
Sat Feb 2, 2013 2:27 am by EvanZ

Hell, I forgot to plug my own (new) site. See my sig. It's pretty cool. :lol:
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Post#44 Re: Best website to access advanced statistic
Tue Feb 5, 2013 1:32 pm by haz33

I know this thread is mainly geared towards the NBA, but has anyone had any success acquiring game-by-game statistics of college basketball games for the 2012-13 season? Specifically, I'm looking for game stats that would allow me to attain my linear regression models for effective FG%, turnover %, offensive rebound %, free throw rate, assists rate, blocks rate, and steals rate. Via a few scripts doing some screen-scraping, I was able to acquire all game-by-game statistics for the 2011-12 NCAA season. I'd rather not go that route, however, and would obviously prefer a quick-and-easy file download if one existed. Any assistance would be appreciated. Thanks!
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Post#45 Re: Best website to access advanced statistic
Sun Feb 10, 2013 2:36 am by floppymoose

http://stats-for-the-nba.appspot.com/ no longer has current data either. It's getting bleak.
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Post#46 Re: Best website to access advanced statistic
Tue Feb 26, 2013 2:59 pm by Chevy6

spam
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Post#47 Re: Best website to access advanced statistic
Tue Mar 19, 2013 12:24 pm by bbil

Here's a great new Android\iOS app that lets you follow or create automatic sports stats streams from sports-websites so you can see stats evolution graphically over time and follow other user's statistics. It lets you build your own personalized stats board:
http://www.numbeez.com

ImageImage
Its under "Numbeez" search in the appstore\google play
It's still new (So the content is still limited), but it's realy cool and you can take part in creating some interesting stuff there
Enjoy!
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Post#48 Re: Best website to access advanced statistic
Thu May 9, 2013 3:41 am by Gregoire

Im very interest in ASP,RAMP,VORP and Hollingers EWA for all-time greats ( every season leaders, career numbers, single seasons perfomances), where I can get it not only from 2001, but from 80s at least?
nate33 wrote:

Yeah, when ever I make all time comparisons, I pretty much ignore the pre-3PT-line era. The game was so different then. It's apples and oranges. Those guys may be better or may be worse, we're never really going to know.
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Post#49 Re: Best website to access advanced statistic
Sat May 11, 2013 6:39 am by TheToothFairy

Is there a way to take raw data from a non-nba league to come up with these analytical formulas?
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Post#50 Re: Best website to access advanced statistic
Tue Jul 16, 2013 2:13 pm by Borut

I am gathering data for a classification model for NBA games. The model will predict the outcome of a NBA game, based on the given attributes. I am having a little trouble with the data.

I like the website basketball-reference, but I dont know how to retrieve the data. For example I would like the Box Score for every game in a season, like you see on these link http://www.basketball-reference.com/leagues/NBA_2013_games.html. Are there any websites that offer data in a format like csv available for download?

I will parse the html from basketball-reference somehow if there is no easyer way.
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