Basketball Statistics Blog

Basketball Statistics Referred Concepts:
Some Thoughts About the 'Points per Shot Attempt' (PSA) Formula

In order to measure  how strictly correctly a player or team is shooting we need statistics, and if possible a creative analysis of those Basketball statistics.

Statisticians most often use the field goal percentage ( FG% ) to do it, but the added bonus of the three-point shot, for instance, isn't reflected in field goal percentage, and the ability to get to the free-throw line (where the points come much easier) is ignored as well.

"Points per Shot Attempt" (PSA):   It's a stat designed to reflect the basics of good shooting: getting the greatest number of points from the fewest number of attempts. Points per shot attempt is simply points divided by shot attempts .

Figuring shot attempts is like this: Add field goal attempts plus "Up to the Line" (for 2 or 3 free-throws). In case of an analysis of another team and if you can't know how many times the player or the team reached the line, use (0.4 * FTA) instead.

PSA = Points / (Up to the Line + FGA)

Photograph: Hans Deryk for naplesnews.com

Last year NBA league PSA average was 1.039 points per shot attempt, so by averaging, by example, 1.133 points per attempt, an average team  gains a full point  with every ten shots.

PSA is just as handy for rating individual players as it is for teams. Occasionally a player will break into the top ten who shoots nothing but dunks, but mostly it's the long shooters who are at the top of an individual PSA list.

This formula, with another fields formulas, are integrated this week in my exposition at the Basketball Statistics eBA Course: "Statistics Formulas Revision" at eBA ONLINE CLINICS.
Prof. Roberto Azar

Read More at eBA CLINICS ONLINE, search "plus / minus rating" in this blog and consult the eBA Basketball Statistics Analysis System.

This topic is resumed in the eBA Basketball Statistics Analysis System
and at the eBA Encyclopedia.

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tags:  basketball  ~  NBA Finals 2011  ~  Dallas Mavericks  ~  Miami Heat  ~  statistician's digest   ~  basketball analysis  ~  Points per Shot Attempt (PSA)
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Life and Sports Motivational Videos:
Overcome the Odds Taking Charge ! - Jesse Owvens 4 ~ Hitler 0 with Jesse Owens

James Cleveland "Jesse" Owens (September 12, 1913 – March 31, 1980) was an American track and field athlete who specialized in the sprints and the long jump. He participated in the 1936 Summer Olympics in Berlin, Germany, where he achieved international fame by winning four gold medals: one each in the 100 meters, the 200 meters, the long jump, and as part of the 4x100 meter relay team. He was the most successful athlete at the 1936 Summer Olympics. He has the Jesse Owens Award accolade named after him in honor of his significant career.

Please. watch this video in full-screen !

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Basketball Registering Stats Referred Questions:
Pass thrown to the backcourt from the frontcourt

"... Out-of-bounds from player's offensive end of the court:
1 - can the ball touch the frontcourt before entering the backcourt towards the receiver player ?
2 - or must the ball be thrown directly to the player in the backcourt ?

What is the rule and the statistical registration according to the eBA Basketball Statistics Analysis System ..."

I believe, because of the question, that you are talking about USA rules.
Now, in both USA and International Rules ( FIBA ), a backcourt violation happens when, simply but correct, all three of the next statements are met in succession:

1- Team A has team control of the ball

2- Team A is the last to touch the ball in the front court

3- Team A is the first to touch the ball in the back court

Photograph:Cuse Nation

In USA rules the player is allowed to pass the ball into the back court on a throw in, because according to those rules, there is no team control in a throw in. Therefore the first criteria is not met so where the ball touches before the receiver catches it is not important.

In International Rules, teams do have team control when they have the ball for a throw in. Therefore the player is not allowed to pass the ball to the back court on a front court throw-in.

Please, see this excellent thread and discussion about Over & Back Violation: Stats & Rules.

The eBA Statistical Registration is included in the Encyclopedia eBA - Case Studies.

All the terms in this answer are explained widely at The eBA Basketball System Book and in eBA Clinic ONLINE.

This topic is resumed in the eBA Basketball Statistics Analysis Encyclopedia
at the eBA Basketball Statistics System Book

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tags:  basketball  ~  statistician's digest   ~  basketball statistics  ~  basketball registering stats referred questions  ~  backcourt from the frontcourt
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Sunday's Reflexions on Basketball Statistics:
ATS Definition in Sports Statistics and Betting

ATS stands for 'Against The Spread' and is not used in statistics analysis but is a betting term:
there are two manners of betting sides: the moneyline and against the spread. To bet against the spread is to make a wager that will be decided by adding points to one team or the other after the game is played.

Basically the spread allows you to bet on a fair contest where the underdogs are given a theoretical points advantage.

The ATS stats refer to the wins, loses and ties corresponding to the spread results, ATS stats are consequently more a means of judging overperforming / underperforming teams rather than successful / unsuccessful ones which a classic league table exposes.

Example: John bet against the spread that the Lakers (-7) would beat the Bulls. That means the Lakers would have to win by more than 7 points for John to win his bet.

This topic is resumed in the eBA Basketball Statistics Analysis System
at the eBA System > The Articles

Sunday Basketball Training Videos:
Dribble Jab with LeBron James
The Copyrights from this Video Owns to NIKE.com

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eBA 2011 Best Basketball Clip Candidate

' Just Do It NIKE 2011 ' ~ by NIKE 2011

The unfortunated choice of the song is by
Breaking Benjamin and is called "Dance with the Devil.

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Friday Press Clippings: Dallas' Lone Star Outshines Miami's Three Stars in the Clutch By David Friedman

Friday Press Clippings:
Dallas' Lone Star Outshines Miami's Three Stars in the Clutch
by David Friedman

From 20 Second Timeout
By David Friedman
Download source here: ' Dallas' Lone Star Outshines Miami's Three Stars in the Clutch ' by David Friedman

"... The NBA has historically been a star-driven league and generally the team with the most star power prevails; ironically, when current Dallas Coach Rick Carlisle was a TV analyst he mentioned a formula for identifying contending teams (three All-Stars or two legit MVP candidates) that would have favored the Heat over the Mavs in this series. ..."

"... For instance, none of Nowitzki's 10 fourth quarter points in game six would be defined as clutch shots according to "stat gurus," yet anyone who watched the game with understanding realizes that Nowitzki's 5-8 field goal shooting in the final 12 minutes played a major role in sealing the deal for the Mavericks. ..."

"... It is very important to praise Nowitzki and the Mavericks for everything they did right along the way to achieving their ultimate goal, because the mainstream media narrative about this series will likely focus not so much on praising the winners but rather on critiquing the losers; even worse, those critiques will likely be completely divorced from reality (a pattern established early on when various pundits created myths about LeBron James being Dwyane Wade's sidekick and when some "stat gurus" suggested that any team pairing James and Wade would be unstoppable regardless of the supporting cast surrounding those two stars). ..."

"... Playing heavy minutes and carrying a very heavy burden in multiple statistical categories comes with the territory of being an MVP level player on a championship team. That is why it was so idiotic to say that James "had" to leave a deep Cleveland team so that he could win a title and why it was so stupid to suggest that it would be "easy" for him to win multiple titles in Miami. Great players--whether they are on deep teams, talented teams or teams that are blessed with both depth and talent (in 2008 I explained the difference between being a deep team and being a talented team)--must play 40-plus mpg while being very productive and efficient in order to win a championship. Nowitzki averaged 40.3 mpg during the 2011 Finals and 39.3 mpg over the course of the entire playoffs. .... "

"... It was hilarious to watch James and Wade be totally confounded by Dallas' zone defense in the NBA Finals--much like their Team USA squads were totally confounded by the zone defenses used against them by some FIBA teams ..."

"... This season not only exposed James' and Wade's flaws but it also clearly revealed the limitations of "advanced basketball statistics" and--with the marked contrast between how the media covers the Bryant/Gasol dynamic versus the James/Wade/Bosh dynamic--it showcased the ignorance, bias and hypocrisy that characterize much of the mainstream media's NBA coverage. ..."

Read more articles in 20 Second Timeout.

To read today's 'Press Clippings' in Spanish, click this week above on the 'Español' tab or afterwards click here: ' Estudio drl Conocimiento de Variables Psicologica eb Entrenadores de Baloncesto Mediantye una Aproximaciom Metodologica Cualitativa ' by Juan Tomás Escudero López et all. .

Friday Video Clippings:
EA Sports NBA Elite Rant

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Basketball Statistics Referred Concepts:
Some Thoughts About the Basketball Plus / Minus Formula Fundamentals

( Conclusion of the last Sunday article )

 • Logic of this method is straightforward: teams should perform better when their good players are playing versus when they are not.

 • The pure "unadjusted" plus / minus rating do not measure the value of the player per se; they measure the value of the player relative to the players that substitute in for him.

 • There are differences in the quality of players that players play with and against.

 • A weak starter on a team with exceptionally good starters ( relative to bench players ) will generally get a very good unadjusted plus / minus rating - regardless of his actual contribution to the team.

 • Star players play a lot of minutes per game and will generally have a plus / minus rating that mirror the team's number as a whole.

 • When the team gets beaten by a solid margin, the team as a whole will probably have very few players with a positive rating.

Photograph: Kevin C. Cox for Raleigh Durham

 • A situation when a player have a NEGATIVE rating ON court and a POSITIVE while on bench, MUST NOT be lightly analyzed as this player should have been played MORE minutes.

 • Players on poor teams have a hard time getting good plus numbers, due to the fact that their teams are usually behind.

 • We must use the plus / minus statistical formula as just ANOTHER of many tools available at eBA Basketball Statistics Creative Analysis System that will help the coach to evaluate the team, not as a exclusive one.

 • A good aspect of tracking plus/minus rating is that the players will be aware that the coach is grading the team's performance for every second a particular player is on the floor.

 • Also gives role players or player's who aren't necessarily big scorers or into compiling big personal statistics, another way to evaluate and feel good about what he is doing on the court.
Prof. Roberto Azar

Read More at eBA CLINICS ONLINE, search "plus / minus rating" in this blog and consult the eBA Basketball Statistics Analysis System.

This topic is resumed in the eBA Basketball Statistics Analysis System
and at the eBA Encyclopedia.

Your comments are Welcomed ! ... by means of eBA InterMail English ! NO NEED TO REGISTER !

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Life and Sports Motivational Videos:
How To Find Life Motivation Video In Motivational WebTV Premiere Episode
with with Motivational Speaker, Author and Karate World Champion Clint Cora

Clint Cora proudly presents the premiere episode of Clint Cora Motivational WebTV by motivational speaker, personal development author and Karate World Champion Clint Cora. Clint reveals his sources of life motivation and why it is important for achieving success in this motivation video.

Click here for more details !

Clint Cora is a Canadian motivational speaker who speaks to audiences in companies, associations, colleges, schools and other organizations on both motivation personal development as well as diversity.

Source of the video http://www.clintcora.com

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Basketball Registering Stats Referred Questions:
False Double Foul Statistical Registration

"... A1 is fouled on the arm by B1 as he taps the ball towards the basket following a teammate’s field goal attempt bounces off the ring. A1 then comes down violently into B2 who has legal position before the ball passes through the basket.

The second official calls the foul on B1 and the first official calls a player control foul on A-1.
The two officials confer one with the other from the moment that they both have called a foul.

What is the rule and the statistical registration according to the eBA Basketball Statistics Analysis System ..."

Rule Interpretation: This situation is a false double foul. A1 is fouled in the act of shooting and then perpetrates a player control foul. Because of the player control foul by A1, the goal is declared null.

Since A1 was fouled in the act of shooting, A1 is awarded 2 free throws with no line up on the lane for the reason that the ball will remain dead after the free throws. The ball is awarded to team B for a throw in on the end line at the spot nearest to where the foul occurred, in this case on the free throw lane line extended spot throw in.

Photograph: j-mar.xanga.com

eBA Basketball Statistics Registration:
We register as following
1 - the missed FG of A1's teammate;
2 - an Offensive Rebound from A1 (the tap);
3 - a made foul against B1;
4 - a received shooting-foul in favour of A1;
5 - the 2 free throws from A1 which ends the Team A's possession; and finally
6 - the player control foul by A1 which begins the new possession for Team B.

See in our forum the 'false double foul' topics and the exposition "Basketball Possessions Analysis" at eBA ONLINE.

All the terms in this answer are explained widely at The eBA Basketball System Book and in eBA Clinic ONLINE.

This topic is resumed in the eBA Basketball Statistics Analysis Encyclopedia
at the eBA Basketball Statistics System Book

Your comments are Welcomed ! ... by means of eBA InterMail English ! NO NEED TO REGISTER !

tags:  basketball  ~  statistician's digest   ~  basketball statistics  ~  basketball registering stats referred questions  ~  false double foul statistics
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Sunday's Reflexions on Basketball Statistics:
Plus Minus Rating ~ Definition & Applicability

The eBA Basketball Statistics Creative Analysis System tries to compare team success to individual performance, applying reasonably simple methods.

If we want to apply the Plus / Minus Ratings to suggest how a certain sequence of players would perform on the floor against an average opponent, we must determine the sum of each of the five players. We must perform the total sum of all of them and no average them. So the team's average plus / minus needs an adjustment be added, which is explained at the eBA System.

We must take into account, using the Plus / Minus Ratings that the overall debate about this rate has dismissed the effect of opponent strength because + / - rate doesn't measure player combinations for the opponents. On the other hand, there is no way to recognize between players who have good individual but bad team numbers, opposed to players with bad individual statistics but good + / - ratings.

Photograph: Bleacher Report

The suggestion about giving on-court and off-court numbers different weights doesn't resolve this rates problems, because it would give us a rate too contingent on the overall grade of excellence worth of the player's team and in most cases this will have a very minor effect.

As said, resuming, the Plus / Minus rating determines the dimension of the statistical norm difference in team accomplishment when a player is on the court opposed to when he is not. We must concede the validity of the difference in quality of the players that a given player plays with and against, when he is on and off the court. Only when they are the same, or almost the same, the Plus / Minus Ratings will determine the dimension of that given player effect on team's winning percentage compared to that team's average.  ....

Prof. Roberto Azar

To be continued next Thursday.

This topic is resumed in the eBA Basketball Statistics Analysis System
at the eBA System > The Articles

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eBA 2011 Best Basketball Clip Candidate

If you REALLY Want It ! ~ with Kobe Bryant and Lebron James

Created By: Ivan Kwan

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Friday Press Clippings:
The RPI is a Joke... Are you kidding me? by Seth Greenberg

From GreenbergBall.com
By Seth Greenberg
Download source here: ' The RPI is a Joke ' by Seth Greenberg

"... I cannot think of a more simple of way of putting it than to state that the RPI is an absolute joke. I would like to know who made this guy and his formula the ranking's authority for college basketball? ..."

"... The idea of a rating system is a good, but it needs to be re-worked, taking into account more things. In short, the equation needs to be reexamined. I have always been a supporter of the idea of having basketball people -- with a background in mathematics -- come up with a set of standards and a new calculating system. And a recalculation is long overdue. ..."

"... The formula does not take into consideration how difficult certain places are to play at. We all know how tough it is to be the visiting team at Cameron Indoor, but how many fans know how difficult it is to play at Cal Poly, George Mason or Lafayette? ..."

"... What about injuries? Lets say it's early December and you go on the road to face a previously unbeaten team. You come away with a win, but in the weeks that follow injuries hurt the team that you just beat and they fall on hard times. .... "

"... If there are a couple of teams within that conference that have fallen on hard times, your win in December takes a hit. Now you never played those two teams that are struggling, but they both played the team you beat. Now you are paying the price for situations you had absolutely no participation in. That’s disturbing! ..."

"... Think about that for a second. You win seven or eight in a row and your RPI goes down. You win the games on your schedule, but some mathematician tells you that his formula has calculated that you should drop. That’s insane! ..."

"... I agree with the idea of a rating system, but we need a rating system that calculates more. The RPI is not only unfair, but it's flawed. We need basketball people to be more involved in any rating's system. In the meantime, the RPI and a dollar will get you a cup of coffee. So calculate that! ..."

Read more articles in GreenbergBall.com.

To read today's 'Press Clippings' in Spanish, click this week above on the 'Español' tab or afterwards click here: ' Sistemas estadísticos en el baloncesto ' by Lic. Jorge Michel Ruiz Cañizares .

Friday Video Clippings:
Talking to Liberals About Racism

Basketball Statistics Referred Concepts:
About Basketball Rebounding Statistics Creative Analysis

"..... A basic generalization in many of the Basketball stats formulas is how efficiently players use possessions. The object is to get players who throws better shots, perpetrate few turnovers and catch the highest possible percentage of rebounds.

We are not just looking for the players who score and rebound the most, but who do so with the fewest opportunities.

The more efficient offensive and defensive possessions a team has, the more points it will score and the fewer it will allow the other team to score.

Rebounding Statistics: First of all the number of Total Rebounds are of little value. In addition, since offensive and defensive rebounding requires two entirely different approaches and skills, coaches must look at offensive and defensive rebounds performances separately.

To really analyze and evaluate the team's defensive rebounding performances coaches must look at the team's rebounding percentages along with the points scored on second efforts. These figures are found on the game and season (cumulative) box score, leaders, team goals, and graphical comparison reports.

Photograph: Lucy Nicholson for The Star

The eBA Basketball Statistics Analysis System shows all this data ordered in the "Rebound Pages Analysis" at his 2nd. Booklet:  "The Game Analysis".

Rebounding Percentages: are a relatively simple additional part of box score stats. For the reason that a team’s rebounds totals are directly referenced to the number and type of missed shots in a game, rebounding totals are a poor indicator of rebounding success. Generally the teams that have the most rebounds in a season, are also teams that have a very low field-goal percentage. It is comprehensible - the more shots you miss, the more opportunities you have to rebound the ball.

The pace a game is played at will also influence the number of rebound opportunities a team has.

A team’s rebounding percentage is the percentage of opportunities (missed shot that can be rebounded) that a team capitalizes on. ....."

Excerpt of the module by Prof. Roberto Azar edited at the eBA Clinics about "Basketball Rebounds Statistics"

Read More at eBA CLINICS ONLINE, search "basketball rebounds" in this blog and consult the eBA Basketball Statistics Analysis System.

This topic is resumed in the eBA Basketball Statistics Analysis System
and at the eBA Encyclopedia.

Your comments are Welcomed ! ... by means of eBA InterMail English ! NO NEED TO REGISTER !

tags:  basketball  ~  NBA Finals 2011  ~  Dallas Mavericks  ~  Miami Heat  ~  statistician's digest   ~  basketball analysis  ~  basketball rebounding statistics
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Basketball Statistician's Digest:
May 2011 eBA sketball Statistics Case Study Conclusion

An Individual or Team Rebound... Case Study

"... B1’s missed shot bounces along the floor. A2 is in a position to pick up the ball, but instead elects to block off B2 while the ball
rolls out of bounds.


What is the proper ruling and the correct INDIVIDUAL or COLLECTIVE statistical registration according to the eBA
Basketball Statistics Analysis System in each one of the given situations, including the type of the registration ( type of turnover; forced, unforced, individual or collective turnover, good or bad foul; close, long, disputed or undisputed rebound; assist made, potential, missed or double assist; etc. ) ... ?"

Conclusion:

eBA Basketball Statistical Registration:
Definitively, credit Team A with a Long and Non-disputed Team Rebound.


1. While it is possible that A2 could have picked up the ball, it is also possible the he could have fumbled the ball out of bounds or failed to pick up the ball in some other way.


2. Since A2 did not actually gain control before the ball rolled out of bounds, an individual rebound cannot be credited.

This Case Study was presented , on May 15th, 2011 in our eBA Portal: were sent 412 answers, 81 partial answers and 329 totally correct, that's means including all the options, registrations and qualifications.

Find another basketball statistics case studies from the eBA Basketball Statistics Analysis System at the eBA Encyclopedia > Case Studies

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Life and Sports Motivational Videos:
Motivation-kid, a Natural Born Leader !, Gives Speech After Learning To Ride A Bike

Awesome little kid, a natural born leader !, gives a motivational speech after he had just learned to ride a bike for the first time.

Motivation is what we all need at times and here this kid proves to us that if you put your mind to it you can achieve anything you want!

The power of the mind. This kid will be part of the six figure mentors one day and he will be a leading mentor!

Source of the video www.break.com

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Basketball Registering Stats Referred Questions:
Ball Falls to the Floor Inbounds and Player Returns Inbounds

"... A1 blocks a pass near the baseline. The ball falls to the floor inbounds, but A1 who is unbalanced, moves off the court.

A1 comes again inbounds, captures the ball and dribbles ?

What is the rule and the statistical registration according to the eBA Basketball Statistics Analysis System ..."


eBA Basketball Statistics Registration=
This play, according with you description, is legal ...




Photograph: from Bettina Hansen for Hartford Courant

eBA Basketball Statistics Registration=
This play, according with you description, is legal, from the moment that A-1 did not leave the court voluntarily and did not have control of the ball in THAT instance. The game goes on, nothing to register...
Reference: 7.1. 1 & 2

See in our forum the 'basketball out-of-bound' topics and the exposition "Basketball Possessions Analysis" at eBA ONLINE. All the terms in this answer are explained widely at The eBA Basketball System Book and in eBA Clinic ONLINE.


This topic is resumed in the eBA Basketball Statistics Analysis Encyclopedia
at the eBA Basketball Statistics System Book



'Basketball Registering Stats Referred Questions'
is a Series of Notes edited every Tuesday

To Read ALL the Articles in this Series, click here: Categories > Selected Questions

Your comments are Welcomed ! ... by means of eBA InterMail English ! NO NEED TO REGISTER !

tags:  basketball  ~  statistician's digest   ~  basketball statistics  ~  basketball registering stats referred questions  ~  ball falls to the floor inbounds
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Rebound !: Basketball, Busing, Larry Bird, and the Rebirth of Boston by Michael Connelly “... the resurgence of the Boston Celtics, when Larry Bird was drafted, helped the city recover from the race problems that came about as a result of the busing program in the 1970s. ...” “... The busing created rampant racism, violence and riots. As a result, many whites left the city. Meanwhile, the Celtics also went through a downtime during the ’70s. However, with the drafting of Bird, they came back, winning the championship in 1981.

This brought the city together, and began the process of healing
from the ugly events of the ’70s. ...”
Michael Connelly


“... A must read for anyone who s ready to laugh a little, cry a little and Live A LOT! You can t help but have a ball reading this! ..."

Karen Hunter - NY Times Best Selling Author

You'll can also browse this book in a Google Books 'limited preview' !

 • Authors: Michael Connelly
 • Format: eBook & Book
 • Book Edition Number of Pages: 304 ~ 8.3 x 5.4 x 0.4 inches
 • File Size: 1229 KB
 • Browse Duration in Minutes: 60
 • Wireless Delivery: Included within a minute of placing your order
 • Simultaneous Device Usage: Unlimited
 • Lending: Enabled
 • Book Publisher: MVP Books
 • Publishing Date: December 12, 2008
 • eBook Publisher: Voyageur Press
 • eBook Edition: NEW to November 10, 2010
 • Book Edition Binding: Hardcover
 • Book Edition Shipping Weight: 1.2 pounds
 • Language: English

 • Also available: In the classic hardcover edition

 • Basketball Books & eBooks by or about Larry Bird

El Juego de los Grandes por Pete Newell y Swen Nater click here to read the full review !

Sunday's Reflexions on Basketball Statistics:
Are the Deflections an Indicator of Good Defense ?

Some coaches take stats of the deflections.

More often than not, the player with the most deflections at the end of the year is usually the player who is named the team top's defensive player.

Deflections may never find their way into the official box score statistics, but it is found at our eBA Basketball Statistics Analysis System and you can bet that coaches understand their importance !

Photograph from Answers from Men

About the Concept= When we speaks about deflection, we refers the action of causing any pass to stray from its intended course, without getting yet the ball possession.

eBA Basketball Statistical Registration= The example given of the 24 seconds is a good one for a deflection "Forcing an opponent Turnover".

The register of the deflections forcing an opponent turnover is deeply developed here eBA Encyclopedia > Articles > Deflections.
Prof. Roberto Azar

This topic is resumed in the eBA Basketball Statistics Analysis System
at the eBA System > The Articles

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tags:  basketball  ~ basketball statistics   ~  advanced basketball statistics ~  basketball analysis  ~  Deflections  ~  Indicator of Good Defense
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eBA 2011 Best Basketball Clip Candidate

„Dancers" ~ with the Cheerleaders of the EuroBasket 2011

Eurobasket 2011 TV advertisement.
Creative agency: BOX
Video made by Idee Fixe
All copyright belong to BOX agency and Idee Fixe.

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Friday Press Clippings: Rebounding results were not caused by position leakage

Friday Press Clippings:
Defending the Stats ~ Why Box-Score Numbers Work - to a Point

From Basketball Prospectus
By Kevin Pelton
Download source here: ' Defending the Stats ~ Why Box-Score Numbers Work - to a Point ' by Kevin Pelton

"... There are few things I enjoy more than thought-provoking writing, and that's what Phil Birnbaum delivered last week at his Sabermetric Research blog. Primarily a baseball analyst, Birnbaum has turned his attention to advanced statistics in the NBA from time to time. Recently, he's been considering diminishing returns to rebounding, ..."

"... As noted, this whole thing started with the issue of rebounding and a question: Do good rebounders take boards away from their teammates? The preponderance of evidence seems to indicate that this is the case, especially on the defensive glass. ..."

"... Historically, year-to-year correlation has been used to gauge whether a statistic reflects a skill as opposed to something outside the player's control.

I don't think that is appropriate, because random noise can overwhelm the underlying skill, as it does for three-point percentage (even limiting the pool to players with at least 100 three-point attempts each year, as I have; the same is true of free throw percentage). .... "

"... My biggest disagreement with Birnbaum is in his use of a study from the 2007 paper "The Pot Calling the Kettle Black - Are NBA Statistical Models More Irrational than "Irrational" Decision-Makers?" by David Lewin and Dan Rosenbaum of the Cleveland Cavaliers to support his conclusion.

While part of the research by Lewin and Rosenbaum showed advanced statistics performing no better than minutes per game (with a team adjustment) at predicting future team wins, they later go on to find more positive results when it comes to explaining adjusted plus-minus. ..."

Read more articles in Basketball Prospectus.

To read today's 'Press Clippings' in Spanish, click this week above on the 'Español' tab or afterwards click here: ' Errores y Dificultades en la Comprensión de los Conceptos Estadísticos Elementales ' by C. Batanero, J. D. Godino, D. R. Green, P. Holmes y
A. Vallecillos .

Friday Video Clippings:
By All Means

Written and directed by Mike Magnuson

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tags:  basketball  ~  statistician's digest   ~  basketball analysis  ~  rebounding results by position  ~  Basketball Prospectus  ~  Kevin Pelton
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Basketball Statistics Referred Concepts:
The Assisted Percentage and the Basketball Analysis

"..... the eBA Basketball Statistics Analysis System refers to "assisted %" in the following concept: the percentage of the own shots on which an assist was recorded.

In another systems, the eBA Basketball Statistics Analysis System doesn't uses predictions, you'll find the formulas to predict the assisted field goal percentage employing the "assist share" factor.

The assist share is the estimated percentage of assists a player is responsible for when he's on the floor. This reflects the fact that the player can't assist to himself..."

Photograph: The Daily Gumboot

" So looking over the effective Assisted % for players - the percentage of their own shots on which an assist was recorded - we can see players creating its own shot from a top of 90% +/- (generally the forwards) to an opposite end of a 20% +/- (generally the guards, and specially the point guard).

One of the keys of this analysis is the three-points specialist rating. The three-point shot are generally assisted and the less often a player shoot, and the more often this player shoot threes, the more of a three-point specialist the player is, and his Assisted % would be greater....."
Prof. Roberto Azar

Excerpt of the module by Prof. Roberto Azar edited at the eBA Clinics about "Basketball Assists"

Read More at eBA CLINICS ONLINE, search "basketball assists" in this blog and consult the eBA Basketball Statistics Analysis System.

This topic is resumed in the eBA Basketball Statistics Analysis System
and at the eBA Encyclopedia.

Your comments are Welcomed ! ... by means of eBA InterMail English ! NO NEED TO REGISTER !

tags:  basketball  ~  NBA Finals 2011  ~  Dallas Mavericks  ~  Miami Heat  ~  statistician's digest   ~  basketball analysis  ~  assisted percentage
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Life and Sports Motivational Videos:
Get Into Coaching by Pompey Sports and Education Foundation

Pompey Sports and Education Foundation motivational video

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tags:  basketball  ~  coach's digest   ~  motivational videos  ~  get into coaching  ~  Pompey Sports and Education Foundation
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Basketball Registering Stats Referred Questions:
Basketball Assists ~ Made, Potential & Missed Assists Stats Registration

"... After taking a defensive rebound, B5 makes a full court pass to B1 who misses a lay-up but has enough time to easily score from the rebound.

Which is the statistical register ?

Is there a potential assist in this play according to the eBA Basketball Statistics Creative Analysis ? ..."

No, it is not a potential assist case, from our statement that potential assist is the pass to another player, being oneself in a good shooting position, which misses the shot. B5 was not in shooting position at all in the moment of the pass.

Photograph: friends.mavs.com

Commentary from my Exposition at eBA Clinic:
" ... For the passer only counts as a possession if the shot goes into the basket. Had the passer shot the ball himself, it would counts in the direction of possession usage, careless of whether the shot went in.

But when he passes it off to a teammate, the stats register this possession for him as an assist only if the shot goes in: so, the eBA Basketball Statistics Analysis System register for this passer a "potential assist" at the game analysis chapter. ... "

See in our forum the 'basketball assists' topics and the exposition "Basketball Assists Analysis" at eBA ONLINE.

All the terms in this answer are explained widely at The eBA Basketball System Book and in eBA Clinic ONLINE.

This topic is resumed in the eBA Basketball Statistics Analysis Encyclopedia
at the eBA Basketball Statistics System Book

Your comments are Welcomed ! ... by means of eBA InterMail English ! NO NEED TO REGISTER !

tags:  basketball  ~  statistician's digest   ~  basketball statistics  ~  Made, Potential & Missed Assists
visit:  eBA Portal  ~  Stats Forums  ~  eBA Encyclopedia  ~  eBA Clinics  ~  eBA System Book  ~  eBA on Facebook  ~  eBA on Twitter  ~  eBA Store

...a New Saturday ... a New Basketball DVD eBA DVICE !

All Access Oklahoma
Women's Basketball Practice
by Sherri Coale

Sherri Coale accepted her current position in 1996. She went directly from a high school squad ( having coached the previous 6 years at the local Norman High
School ) to an NCAA Division I team.

She took over a team in turmoil at Oklahoma and brought it into the national spotlight in 2002 when her team went to the National Championship game.


In 2005–2006 Coale's Sooners went 16–0 in Big 12 play and became the second Big 12 basketball team, men's or women's, to go undefeated in conference play.


The University of Kansas men's basketball team went undefeated in Big 12 play in the 2001–2002 season.

In 2008 the Sooners finished tied with two other teams for 3rd in the Big 12 Conference and were knocked out by Missouri in the first round of the Big 12 Tournament.

 • Learn effective shooting drills to improve your motion offense
 • Get teaching tips to improve offensive and defensive rebounding
 • See the Oklahoma offensive and defensive system
    and the drills used in teaching each
 • A bonus session features instruction from the
    2010 Oklahoma Basketball Coaches Clinic

with Sherri Coale,
University of Oklahoma Head Women's Basketball Coach;

Back-to-Back NCAA Final Four appearances (2009-2010);
10x Big 12 Championship Coach

You'll can also watch the 'Live Footage' of this DVD in a 'limited preview' from Championship Productions !

 • Actors: Sherri Coale
 • Region: All Regions
 • Format: Color, Director's Cut, Full Screen
 • Language: English
 • Number of discs: 6
 • Studio: Championship Productions
 • Date Edition: NEW on May 13, 2011 !
 • Run Time: Over the 6 Hours

Sunday's Reflexions on Basketball Statistics:
Correlation of a Relative Lineup Stability

When we analyze a team or a game with the eBA Basketball Statistics Analysis System we are interested not only in the player's average performance in certain game's category (points made or rebounds grabbed), but in his regularity in that category.

Certainly, an irregular player may be scoring his maximum points in an important game, but it's possible the contrary too.

In spite of the importance of the regularity, the official basketball statistics doesn't reflect this characteristic.

Therefore the eBA Basketball Statistics Analysis System made a research about the correlation of a relative lineup constancy in some manner with performance volatility ( a statistical measure indicating the tendency of sharp number movements within a period of time ).

The analysis of team lineup stability and performance appears utilitarian and a necessary part of team study which includes everything and it is included in the eBA Basketball Statistics Analysis System.

Generally, teams that are marked by a favorable outcome, don't change their roster as much as teams that having less succeeded, which is logical.

What is called "lineup constancy" is a little distinctly separate from the first, from the moment that you can have a stable roster but very different lineups.
Prof. Roberto Azar

This topic is resumed in the eBA Basketball Statistics Analysis System
at the eBA System > The Articles

Your comments are Welcomed ! ... by means of eBA InterMail English ! NO NEED TO REGISTER !

tags:  basketball  ~ basketball statistics   ~  advanced basketball statistics ~  basketball analysis  ~  to qualify a not widely known statistic
visit:  eBA Portal  ~  Stats Forums  ~  eBA Encyclopedia  ~  eBA Clinics  ~  eBA System Book  ~  eBA on Facebook  ~  eBA on Twitter  ~  eBA Store

eBA 2011 Best Basketball Clip Candidate

' Annoying to the Neighborhood ' ~ with Dirk Nowitzki

Please, Support our Sponsors !
We owe a huge debt of gratitude to our generous sponsors for their key support. Please help us thank them by supporting their various endeavors, visiting their sites or using their services !

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tags:  basketball  ~  basketball video clips  ~  Nike  ~  NBA  ~  Dallas Mavericks  ~  Dirk Nowitzki
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Friday Press Clippings: Rebounding results were not caused by position leakage

Friday Press Clippings:
Rebounding results were not caused by position leakage

From Sabermetric Research
By Phil Birnbaum
Download source here: ' Rebounding results were not caused by position leakage ' by Phil Birnbaum

"... On the subject of negative correlations between rebounders, one thing occurs to me. It's possible that much of the effect could be accounted for by certain errors in the data.

Specifically, if sometimes players are classified in the wrong position, that will cause a negative correlation even if there wouldn't otherwise be one. ..."

"... Players are evaluated relative to their position. So if you misclassify an PG as an SG for a game's worth of playing time, you've given him three extra rebounds that he doesn't "deserve".

If you misclassify a PF as an SF, you give him almost five extra rebounds a game. This is a really almost the same as my "positioning" or "scheme" argument.

In the previous case, I say that perhaps some SFs take some of a PF's rebounding opportunities.

In this case, I say a SF might be actually playing the PF's actual position, taking *all* of the PFs opportunities (but relinquishing his). ..."

"... From this, we can see that the numbers are different, but not statistically significantly different in any of the five cases. Moreover, the comparisons are evenly split 3-2 over which estimate is higher. .... "

"... So, we can conclude: misclassification by position could certainly cause the negative correlations we saw.

However, that was probably not a major cause, because, when we use height as a control group, we get approximately the same results.

And we know that there is little error in classifying players by height. ..."

Read more articles in Sabermetric Research.

To read today's 'Press Clippings' in Spanish, click this week above on the 'Español' tab or afterwards click here: ' El movimiento del balón en los equipos ACB y su relación con la eficacia ofensiva ' by ruymanfm.

Friday Video Clippings:
"Official" Guide for Getting into Graduate School

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tags:  basketball  ~  statistician's digest   ~  basketball analysis  ~  rebounding results by position  ~  Sabermetric Research  ~  Phil Birnbaum
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Basketball Statistics Referred Concepts:
The Possession Evaluation (PE) Method ~ Offense, Defense, and Rebounding

The Possession Evaluation (PE) is a method of rating a team's performance in three areas of the game: offense, defense, and rebounding.

The formula was developed by Dean Smith and detailed in his book Basketball ~ Multiple Offense and Defense.

PE begins by counting each team's total possessions during the game.

Offensive efficiency is represented by points per possessions (pts/poss or ppp). Defensive effectiveness is the opponent's pts/poss.

A superior team should exceed .85 points per possession on offense and keep the opponents below .75 ppp.

Photograph: John Gress for nbasque.wordpress.com/

"Percent Loss of Ball" (% LoB) is the percentage of possessions that end before a shot (FG or FT) is attempted.

This is basically just a way to correct for the overall pace of the game when considering turnovers. %LoB can be used to indicate a team's own ball-handling skills, as well as the effectiveness of their pressure defense.

A %LoB of .13 is excellent; .15 to .18 is good. You want to force you opponent into the .22 range.

The differential in the teams' total possessions is an indicator of rebounding.

Coach Smith considers a FG attempt as an end to the team's possession; the ball is no longer in their control.

If the shot misses, a possession is literally up-for-grabs.
The better rebounding team should have more possessions by the end of the game.
Prof. Roberto Azar

Read More at eBA CLINICS ONLINE, search "scoring efficiency equation" in this blog and consult the eBA Basketball Statistics Analysis System.

This topic is resumed in the eBA Basketball Statistics Analysis System
and at the eBA Encyclopedia.

Your comments are Welcomed ! ... by means of eBA InterMail English ! NO NEED TO REGISTER !

tags:  basketball  ~  NBA Finals 2011  ~  Dallas Mavericks  ~  Miami Heat  ~  statistician's digest   ~  basketball analysis  ~  possession evaluation (PE) method
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Life and Sports Motivational Videos:
What Do You Run For ? Change lives around the world

Run a race. Change lives around the world. Join Team World Vision.

Team World Vision empowers groups and individuals to dedicate their sports and fitness goals to helping World Vision's work in Africa.

World Vision is a Christian relief and development organization dedicated to helping children and their communities worldwide reach their full potential by tackling the causes of poverty.

For more than 50 years, World Vision has built strong relationships with more than one million donors, thousands of churches, and hundreds of businesses, foundations, organizations, and governments to work collaboratively to break the cycle of poverty.


Credits:

Director: Chris Folkens
Producer: Nathan Brown
Written by: Michael Chitwood and Nathan Brown
Director of Photography: Joe Farris, Visions of Light
Camera Operator: Dave Wightman
Production Coordinator: Sam Carmichael
Production Assistant: Michael Barry

Editor: Josh Bodnar, Whitehouse LA
Original Music: David Buckley, Firefly Music
Music Mastering: Scott Johnson
Audio Recording, Sound Design and Mix: Stephen Wilke, Open Sky Sound and Music
Color Grading: Tyler Roth, Filmworker's Club Chicago
Post-Producer: Derek De Board, Filmworker's Club Chicago
VFX: Brian Bullock, Re:Think Post
Graphics: Michelle Timpone, Re:Think Post
Finishing: Brian Higgins, Sol Design

Your comments are Welcomed ! ... by means of eBA InterMail English ! NO NEED TO REGISTER !

tags:  basketball  ~  coach's digest   ~  motivational videos  ~  Chris Folkens  ~  World Vision
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June Blogs Cover ~ Basketball Beautiful Faces:
... from the best ! ... from the NBA ! Charlotte Lady Cats

Photograph: Ultimate Cheerleaders

Our Basketball Beautiful Faces of June 2011 Cover
with the Charlotte Lady Cats !

The Charlotte Lady Cats advanced to the finals defeating the Heat Dancers 59%-41%

To see ALL our Monthly Covers, click here: 'Categories > Beautiful Faces'

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tags: basketball ~ beautiful faces ~ basketball cheerleaders ~ great basketball photographs ~ Charlotte Lady Cats
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