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11/07/18

About Basketball Steals and Defensive Efficiency and the Defense By The Numbers
and the Video Clipping in our Weekly Basketball Statistics Referred Concepts

Basketball Statistics Analysis Referred Concepts:
Basketball Steals and Defensive Efficiency

Basketball Statistics Analysis Referred Concepts
In the still concluded eBA Annual Basketball Statistics Clinic there was a debate about basketball steals: is a good number of steals a good indicator for the efficiency of the defense ?

Some thoughts to begin the discussion:

 • ...players or teams with the best steals averages are not as a highly likely consequence the best defensive players or steals...

 • ...if players go for too many steals, the probabilities are their defensive efficiency including everything is set at a disadvantage from that...

 • ...steals percentage (steals per possession) is a good statistic to consider...

 • ...declaring as an attribute or quality a defense on steals isn't going to be as being marked by a favorable outcome as one based on forcing misses...

 • ...if your aggressive style defense is more impressive than your team playing a more conforming to a standard defense, you'll have to examine and note the similarities or differences of your numbers with something...

The discussion and my analysis will continue on the thread "Steal Statistics: Cases & Registration" at the Processing Statistics Board.


basketball steats analysis
Photograph: Marin Independent Journal

Basketball Steals & Defense By The Numbers:

Data collected since 1988 by eBA Stats.com Team reflects the good and bad of the team’s defense.

We tracked possession-by-possession who was responsible for defending shots, forcing turnovers, committing fouls that resulted in free throws, or stealing the ball including effective ball denial defense.

The data suggests broad defensive principles where guards and perimeter defenders can pressure the ball and make opponents uncomfortable on the perimeter, but always with focus on the team’s force rules that funnel penetration to certain locations.

At those defined locations, the perimeter defender knows he’ll have help from a teammate — usually a big man.

This eBA Stats approach is very valid, and more detailed than what we see at another statistical systems. This kind of information is extremely useful and is being studied during the current eBA Basketball Statistics Analysis System Clinic.

The goal is to steal the ball and create turnovers by always having a defender close to the offensive player, limit the number of open looks at the basket, while simultaneously having big men challenge a greater proportion of the offense’s shot attempts.

This serves to both steal the ball and create turnovers and increase the statistical likelihood of misses.

By Professor

Excerpts of a discussion at the still finished eBA Annual Basketball Statistics Clinic


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Read More at eBA ENCYCLOPEDIA ONLINE, search "basketball steals" and "defensive efficiency" in this blog and consult the Chapter "Basketball Steals Analysis" at the eBA Basketball Statistics Analysis System.

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

'Basketball Statistics Tracking Referred Concepts'
is a Series of Notes edited Regularly Every Month !

To Read ALL the Articles in this Series, click here: Categories > Analysis Concepts


Friday Video Clippings:
' Arden Hayes VS Justin Bieber '



' Arden Hayes VS Justin Bieber '

Do you like Justin Bieber? Maybe he's a good singer and dancer but, do you think he's a good student? Then look and listen to the little Arden Hayes. AMAZING!!!.

'Press and Video Clippings'
is a Series of Notes edited the Regularly Every Month

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10/19/18

Placing Kevin Durant's Incredible Scoring Streak in Historical Perspective
by David Friedman ~ in our Friday Press & Video Clippings

Weekly Press Clippings:
Placing Kevin Durant's Incredible Scoring Streak in Historical Perspective
By David Friedman

Basketball Statistician's Friday Press Clippings
From 20 Second Timeout
By David Friedman
Download source here:
Placing Kevin Durant's Incredible Scoring Streak in Historical Perspective
by David Friedman

"... When a player does something great it is not only enjoyable to watch but his accomplishment also serves as a reminder of just how tremendous some of his predecessors were. One of my favorite sportswriting passages is William Goldman's take on Wilt Chamberlain's incredible records ......"

"... During Michael Jordan's amazing '86-'87, Wilt was always in the papers because Jordan was always scoring the most this's since Wilt Chamberlain or taking the most that's since Wilt Chamberlain.

And that ain't gonna change, folks. Not in this century. Take big-scoring games, for example. Michael Jordan hit 60 points, twice last year. ..."

"... Kevin Durant is averaging 37.0 ppg, 5.6 rpg and 5.9 apg in 11 January games while shooting .522 from the field, including .392 from three point range.

He is also shooting .884 from the free throw line while attempting 12.5 free throws per game.
Durant may very well seize the title of "best player in the NBA" from LeBron James, who has worn that crown since 2009--and yet Durant's amazing scoring streak does not yet quite measure up to Bryant's best scoring streaks, let alone the unparalleled numbers posted by Chamberlain. ..."

Kevin Durant is averaging 37.0 ppg, 5.6 rpg and 5.9 apg in 11 January games while shooting .522 from the field, including .392 from three point range. He is also shooting .884 from the free throw line while attempting 12.5 free throws per game. Durant may very well seize the title of

Photograph: ASN

"... Bryant averaged 43.4 ppg in 13 games in January 2006, the highest scoring calendar month by an NBA player since Chamberlain averaged 45.8 ppg in March 1963.

Bryant's total included an 81 point outburst versus the Toronto Raptors, the second best single game scoring performance in NBA history behind only Chamberlain's legendary 100 point game. ..."

"... in comparison, Durant's current run features eight straight games with at least 30 points but "only" four games of at least 40 points.

Subsequently, Bryant averaged more than 40 ppg in two other calendar months: 41.6 ppg in April 2006 and 40.4 ppg in March 2007.

Chamberlain, who authored 11 calendar months during which he averaged at least 40 ppg, is the only player other than Bryant to accomplish this more than once. ..."

"... Durant is performing extremely well and he deserves full credit for shouldering such a huge load for the Oklahoma City Thunder while Russell Westbrook is out with an injury but the fact that Durant can perform at a higher level than LeBron James--at least for a short period of time--and still not quite match the scoring exploits of Chamberlain and Bryant is a timely reminder of just how great Chamberlain and Bryant were in their respective primes. ..." Read more ...

Read more articles in 20 Second Timeout

Master Softball



To read today's 'Press Clippings' in Spanish, click this week above on the 'Español' tab or afterwards click here: “El punto G: Un rato de luces y sombras ” by Gonzalo Vázquez.



Weekly Video Clippings:
The Japanese xylophone !



... a xylophone made from wood !

The Japanese xylophone !

Creative Japanese have built in full
jungle a xylophone made from wood with a ball tilting by gravity and playing
"Jesus, bleibet meine Freude" BWV 147 from Johan Sebastian Bach.

This iPhone commercial for TOUCHWOOD SH-08C won an international Prize at the Cannes Film Festival

A remarkable feat when you know that the length of each leaf of
wood, made ​​in the form of V to keep the ball must be calculated for
exact note and calculate the decay time for the duration of the note !

Enjoy!


'Press and Video Clippings'
is a Series of Notes edited regularly Every Month

To Read ALL the Clippings in this Series, click here: Categories > Contents Online



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05/09/18

Statistical Basketball- By STATS Director of Research Rebecca Goldin, Ph.D.
From our Press Clippings Archives

From our Press Clippings Archives:
Statistical Basketball- By STATS Director of Research Rebecca Goldin, Ph.D.

Basketball Statistician's Friday Press Clippings
From The STATS Blog
By Rebecca Goldin, Ph.D.
Download source here:
' Statistical Basketball- By STATS Director of Research Rebecca Goldin, Ph.D.

"... Big data might be finding all sorts of patterns, but for basketball fans, it’s a matter of what makes the ball go in the hoop.

Systems developed to track missiles are now being used to track basketballs (and their players). ..."

"... While it is standard to keep track of a basketball player’s shooting average, everyone knows that circumstance plays a huge role.

Big data can bring in conditional probability. What is the shooting average of Kevin Durant when his has a defender 3 feet away? ..."

"... The results are limited by a number of factors. The biggest is lack of data; without data on past performance, no future performance can be predicted.

Network analysis of the Los Angeles Lakers shows the team is far more likely to distribute the ball among more players, using the 'triangle offense.' <br />
In this Image by Jennifer Fewell and Dieter Armbruster from Wirec presented by eBA Stats Basketball Statistics Analysis .
Image: Wired

Network analysis of the Los Angeles Lakers shows the team is far more likely to distribute the ball among more players, using the 'triangle offense.'
In this Image by Jennifer Fewell and Dieter Armbruster from Wired presented by eBA Stats Basketball Statistics Analysis .

This why SportVU wants to increase its base – currently only 10 of the 30 MBA teams are inputting data. ..."

"... Small amounts of randomness could influence the game more than we know – and it simply cannot be predicted with all the data in the world. ..." Continue reading ...

Read more articles in The STATS Blog

To read today's 'Press Clippings' in Spanish,
click this week above on the 'Español' tab or afterwards click here:
' Propuesta del test tiros libres con carga en el deporte de baloncesto ' by MSc. Juan Mapolón Arcendor.



Weekly Video Clippings:
Miroslav Klose Reaches Fair Play Summit



Miroslav Klose Reaches Fair Play Summit

The legend of Miroslav Klose grew by leaps and bounds Wednesday. The Lazio striker used his hand to score a goal, then spectacularly convinced the referee to disallow it.

The sport of soccer is better off because of it. Klose's heroics came in the pressure cooker that is Italy's Serie A. In the fifth minute of visiting Lazio's game against Napoli, Klose redirected a corner kick into the goal with his hand. In fact, he might have been trying to move his hand out of the way when the ball struck it.

Napoli players protested furiously, while some Lazio players celebrated. What happened next will cement his good name around the world. In the mystical spirit of fair play, Klose spoke to the referee and convinced him to disallow the goal.

It earned him the respect of players on both sides (as if he didn't already have it) and he was rightfully applauded by fans at Napoli's San Paulo Stadium. Klose, 34, has bagged so many goals for club and country, he probably didn't want any cheap ones on his resume.

His glittering international career includes 64 goals for Germany, including the 14 he's scored at three FIFA World Cups -- good for second-most all time. The German marksman has also scored more than 185 goals for four clubs in two countries.

Unfortunately, that would be the high point of Lazio's game, as Klose's team suffered a 3-0 drubbing.

by Marcus Kwesi O'Mard ~ NESN


'Press and Video Clippings'
is a Series of Notes edited the regularly

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Pat Summitt and Coachtube



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04/24/18

ABA Numbers Ignored as Lebron James Becomes Youngest Member of 20,000 Point Club
by David Friedman ~ from our Press & Video Clippings Archiives

From our Press Clippings Archives:
ABA Numbers Ignored as Lebron James Becomes Youngest Member of 20,000 Point Club
By David Friedman

Basketball Statistician's Friday Press Clippings
From 20 Second Timeout
By David Friedman
Download source here: ' ABA Numbers Ignored
as Lebron James Becomes Youngest Member of 20,000 Point Club '
by David Friedman

"... Only 42 pro basketball players have scored at least 20,000 points and just 13 of those players also totaled at least 5000 assists.

Barring injury, James will likely become the only player ranked in the top five all-time in both departments; there is only one player who currently ranks in the top 15 in both categories: Oscar Robertson ranks sixth in assists (9887) and 12th in scoring (26,710 points), though it should be noted that when Robertson retired he ranked first in assists and second in scoring, trailing only Wilt Chamberlain. ..."

"... James led the Heat in scoring and assists (10) versus Golden State while ranking third in rebounds (seven); James supposedly had to leave Cleveland in order to surround himself with a better supporting cast so that he would not have to singlehandedly carry his team but this season James is leading the Heat in minutes, points, rebounds, assists and steals (he is also second on the team in both field goal percentage and blocked shots).

This is nothing new; last season, James led the Heat in minutes, points, rebounds, assists, steals and field goal percentage. ..."

"... It is disgraceful that the NBA and its media partners act as if the ABA never existed. ABA numbers should also count and those numbers should be mentioned when a current player reaches an important statistical milestone. ..."

Julius Winfield Erving II, commonly known by the nickname Dr. J, is a retired American basketball player who helped launch a modern style of play that emphasizes leaping and play above the rim.

Julius Winfield Erving II, commonly known by the nickname Dr. J, is a retired American basketball player who helped launch a modern style of play that emphasizes leaping and play above the rim.


"... Three of the top 10 scorers in pro basketball history--Julius Erving (sixth), Moses Malone (seventh) and Dan Issel (ninth)--played in the ABA, as did George Gervin (14th), Rick Barry (who is tied with Reggie Miller for 17th place on the all-time scoring list) and Artis Gilmore (20th).

Gervin and Malone are the only members of that group who scored 20,000 points in the NBA, so at least they are "officially" included in the 20,000 point club roster, but Erving, Issel and Barry are neither mentioned nor counted when media members discuss this topic. ..."

"... Here is the rest of the story, the information about the three members of the 20,000 point club that the NBA, NBA.com, ESPN and TNT have thrown down Orwell's "memory hole." ..... ..."

"... ...... These accomplishments should be celebrated by the NBA and Erving, Issel and Barry should be included in the "official" 20,000 point club roster--but the very people who have a responsibility to preserve and cherish the sport's history instead present a distorted, incomplete version of that history. ..." Read more ...

Read more articles in 20 Second Timeout


Tom Izzo and Coachtube




To read today's 'Press Clippings' in Spanish,
click this week above on the 'Español' tab or afterwards click here:
' Dirección de equipo. Comunicación del entrenador. ¿Cuándo, cómo, dónde y qué hablar con el equipo? ' by Oscar López López.



Weekly Video Clippings:
' Snail's Dream ' Oscar nominated shortfilm by Iván Sáinz-Pardo



' Snail's Dream ' Oscar nominated shortfilm by Iván Sáinz-Pardo

An Iván Sáinz-Pardo shortfilm.
2001-Shortfilm 15 min. Germany / Spain

Oscar Award prenominated and nominated for "Deutsche Kurzfilmpreis" (Germany Oscars Awards).

Won at the Germany National Film Institution Friedrich Wilhelm Murnau-Stiftung, Germany 2002

Winner of 40 International Awards.


'Press and Video Clippings'
is a Series of Notes edited the regularly

To Read ALL the Clippings in this Series, click here: Categories > Contents Online



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04/13/18

Forecasting NBA Basketball Playoff Outcomes Using the Weighted Likelihood
by Feifang Hu & James V Zidek ~ in our From the Archives Press & Video Clippings

From the Archives Press Clippings:
Forecasting NBA Basketball Playoff Outcomes Using the Weighted Likelihood
By Feifang Hu & James V Zidek

Basketball Statistician's Friday Press Clippings
From Natural Sciences and Engineering Research Council of Canada
By Feifang Hu & James V Zidek
Download source here:
Forecasting NBA Basketball Playoff Outcomes Using the Weighted Likelihood
by Feifang Hu & James V Zidek

"... Predicting the outcome of a future game between two sports teams poses a challenging problem of interest to statistical scientists as well as the general public. To be effective such prediction must exploit special contextual features of the game. In this paper, we confront such features and address the need to:

(i) use all relevant sample information;
(ii) reflect the home game advantage.

To do so we use the weighted likelihood. Finally we demonstrate the value of the method by showing how it could have been used to predict the 96/97 NBA playoff results. Our weighted likelihood-based method proves to be quite accurate. ..."

"... This paper demonstrates the use of the weighted likelihood (WL) to predict the winner of National Basketball Association (NBA) final games and applies the method in each of the games played in the 1996-97 finals between the two top ranked teams, the Chicago Bulls and the Utah Jazz. However, as we try to indicate, the WL has much wider applicability inside as well outside the domain of sports.way dunker created by a teammate’s steal, offensive rebound, and or perfect outlet pass? ..."

"... The genesis of our work lies in two statistical problems encountered in sports:
(i) the prediction of the outcome of a future game between two specified sports teams;
(ii) the assessment of the accuracy of this prediction.

Since typically these two teams will not have met more than just a few times in the given season, little direct information will be available to the forecaster. The consequent small sample size will make naive predictions inaccurate and the associated prediction intervals excessively large. ..."

1996-97 Chicago Bulls Championship: #1 ~ Randy Brown: #30 ~ Jud Buechler; #35 ~ Jason Caffey; #18 ~ Bison Dele; #9 ~ Ron Harper; #23 ~ Michael Jordan; #25 ~ Steve Kerr; #7 ~ Toni Kukoc; #13 ~ Luc Longley; #00 ~ Robert Parish; #33 ~ Scottie Pippen; #91 ~ Dennis Rodman; #8 ~ Dickey Simpkins; #6 ~ Matt Steigenga, #34 	Bill Wennington In this photograph from Operation Sports presented by eBA Stats Basketball Statistics Analysis .
Photograph: Operation Sports

"... Usually in sports, the outcome of any one game derives from the combined efforts of two teams that have seldom played each other before. Yet these games yield the only direct sample information available about the relative strength of these two teams.

At the same time, each of these teams will have played many games against other teams thereby generating relevant (although not direct) sample information. The predictive probability of a win in the next game between these two teams, should combine both kinds of information ..."

"... Based on the probabilities and the confidence intervals of Table 1, we can find the probabilities with which the Bulls (and Jazz) will win the Final by Game 4, 5, 6 or 7.

Also we can calculate the total win probabilities for the Bulls against the Jazz based on its home and away win probabilities given by each of the three estimation methods.
Confidence intervals for these win probabilities may be obtained as well.

In Table 2 where the results are reported, and in the tables that follow, that interval is obtained for any pair of teams say A and B from the 95% asymptotic intervals for A’s home- and A’s away-win-against-B probabilities.. ..."

"... The method in this paper provides guidelines for the development of a prediction strategy. Its implementation, more specifically the construction of weights entails the incorporation of any special features that may obtain when the game is played.

For example, one might need to incorporate the knowledge that certain key players cannot play in that game."

To be more precise, we fitted a logistic model using the software R with the response variable being 1 or 0 according as the outcome of any game during the season was a visitor or home victory. We used dummy variables to represent visitor and home teams in each game throughout the season.

Thus for example, BullsV=1 and Super-sonics=1, all other dummies being 0, would mean those two teams were playing for that particular game, the visitors being the Bulls. For each of the factors, ‘visitor’ and ‘home’ we represented by the dummies in this way, we arbitrarily chose the 76er’s as the baseline team.

Thus, in effect, the fitted intercept, suitably transformed, provides an estimate of the likelihood of a ‘1’ in the purely hypothetical situation where the 76er’s played themselves at home as the visitors.

The coefficients for the remaining dummies represent the deviations from the 76er’s performance for each of the other teams depending on whether they were playing at home or awa ..." Read more ...

Read more articles in Natural Sciences and Engineering Research Council of Canada

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To read today's 'Press Clippings' in Spanish,
click this week above on the 'Español' tab or afterwards click here:
“Análisis Espacial de Lanzamientos en Baloncesto; el Caso de L.A. Lakers
by López, F.A., Martínez, J.A. y Ruiz, M.
.



From the Archives Video Clippings:
Va' pensiero Riccardo Muti speaking about Italian culture, Opera di Roma



Va' pensiero Riccardo Muti speaking about Italian culture, Opera di Roma

Muti said : yes, viva Italia... But, as we are in house, quite at home, let us speak together.
"Va pensiero", in old days, was a political symbol. I'm not a politician but I can say that if our culture goes on being slain, our Italia will be "si bella e perduta". So, as the choir has beautifully sung it, we should join them to sing another time "Va, pensiero !"


'From the Archives Press and Video Clippings'
is a Series of Notes edited the regularly!

To Read ALL the Clippings in this Series, click here: Categories > Contents Online



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03/21/18

Kobe Bryant is not as Good as Michael Jordan -- So What?
by David Friedman ~ in our Weekly Press & Video Clippings

Press Clippings:
Kobe Bryant is not as Good as Michael Jordan--So What?
By David Friedman

Basketball Statistician's Friday Press Clippings
From 20 Second Timeout
By David Friedman
Download source here: ' Kobe Bryant is not as Good as Michael Jordan
So What? ' by David Friedman

"... Kobe Bryant scored 26 points during the Lakers' 100-94 win over the Minnesota Timberwolves on Sunday December 14 to move past Michael Jordan into third place on pro basketball's career scoring list.

One might think that this accomplishment would be an occasion to reflect upon Bryant's consistency and longevity but while some observers have taken that approach many commentators go to great lengths--either via anecdotes or via statistics--to "prove" that Jordan is not just better than Bryant but that Jordan is much better.

The very fact that the comparison is often made--even if it is just done to belittle Bryant--says a lot. ..."

"... The way that some people compare Jordan and Bryant is interesting. The best case for Jordan versus Bryant would focus on Jordan's efficiency and Jordan's performances during his 6-0 run in NBA Finals (Bryant has one more Finals appearance than Jordan but also two more Finals losses).

Of course, field goal percentages in general were higher during Jordan's era, the rules and style of play were much different and Jordan's overall numbers benefited from him playing college ball before immediately becoming an NBA starter while Bryant jumped straight to the NBA from high school and thus needed some on the job training as a bench player. ..."

"... While some media members and fans may not understand or appreciate the rough edges of Bryant's personality, Kevin Durant, the 2014 NBA MVP, respects Bryant's approach and refutes the idea that good players do not want to play with Bryant:

Excuse my language, but that's (expletive). I want to play with a winner every single night, especially somebody who wants to win that bad, who works that hard, who demands a lot, who raises up your level.

I'd want to play with a guy like that every day...(His style) may make people uncomfortable, how he acts and just how he approaches the game, but I love that type of stuff. I think (the accusation) is BS. ..."

Michael Jordan of the Chicago Bulls talks to Kobe Bryant of the Los Angeles Lakers about leadership and potential to succeed in the game of basketball In this Photograph from Flickr presented by eBA Stats Basketball Statistics Analysis .
Photograph: Flickr


"... Once one moves past comparing Bryant to Jordan and once one understands that any player with the right mindset would welcome the challenge and opportunity of playing with Bryant, one can focus on just how remarkable Bryant's current season is.

Forget for a moment his career-low field goal percentage and consider the fact that Bryant is a highly productive player in his 19th NBA season. Only three players in NBA history have even made it past their 19th season: ......"

"... In contrast, during the 2014-15 season Bryant is logging heavy minutes (35.4 mpg), his floor game is still excellent (5.1 rpg, 4.9 apg and 1.4 spg, numbers that are comparable to his career averages of 5.3 rpg, 4.8 apg and 1.4 spg) and he is scoring 24.6 ppg.

Bryant's field goal percentage (.372) is not good but he is remarkably productive and durable for a 19 year veteran who is coming off of two serious leg injuries. Bryant is in excellent shape and if his body holds up his field goal percentage will probably improve during the course of this season as he regains his game legs after being out of action for such an extended period.
..."

"... No, Kobe Bryant is not quite as good as Michael Jordan and, no, Kobe Bryant is no longer as efficient or dominant as he was during his prime--or even during his last healthy full season, when he was a legitimate MVP-caliber player averaging 25.5 ppg on .463 field goal shooting (including a career-high .510 from two point range) as a 17 year NBA veteran--but Bryant is the closest thing to Jordan that we have seen or are likely to see anytime soon. Bryant's former dominance and his remarkable, ongoing longevity should be celebrated. ..." Read more ...

Read more articles in 20 Second Timeout

Tom Izzo and Coachtube




To read today's 'Press Clippings' in Spanish,
click this week above on the 'Español' tab or afterwards click here:
' ¿Qué puede aportar la Estadística al baloncesto? ' by Román Salmerón.



Weekly Video Clippings:
' Snail's Dream ' Oscar nominated shortfilm by Iván Sáinz-Pardo



' Snail's Dream ' Oscar nominated shortfilm by Iván Sáinz-Pardo

An Iván Sáinz-Pardo shortfilm.
2001-Shortfilm 15 min. Germany / Spain

Oscar Award prenominated and nominated for "Deutsche Kurzfilmpreis" (Germany Oscars Awards).

Won at the Germany National Film Institution Friedrich Wilhelm Murnau-Stiftung, Germany 2002

Winner of 40 International Awards.


'Press and Video Clippings'
is a Series of Notes edited the regularly

To Read ALL the Clippings in this Series, click here: Categories > Contents Online



Your comments are Welcomed ! ... by means of eBA InterMail English or just here !

Post Your Comment

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02/05/16

Friday Press Clippings: Do players "steal" rebounding opportunities ?

Friday Press Clippings:
Do players "steal" rebounding opportunities from teammates ?

Basketball Statistician's Friday Press Clippings
From Sabermetric Research
By Phil Birnbaum
Download source here: ' Do players "steal" rebounding opportunities from teammates? ' by Phil Birnbaum

"... In my previous post on rebounding, I promised to review some of the evidence supporting the "diminishing returns" hypothesis.

That's the theory that, in general, a player's individual rebound totals are not mostly a product of his own ability to snare rebounds, but, rather, predominantly because of his positioning on the court, or the role he is assigned on his team. ..."

"... Every extra rebound by the center results in 0.61 fewer rebounds by
teammates. ... "

"... That means that only 39 percent of center rebounds are "real", in the sense that the other team would have got them if not for the center's efforts.

If a center is (say) 20 rebounds above average for the season, then, on average, you should estimate that 12 of those rebounds would have been grabbed by a teammate anyway. ..."

Even the longest misses produce an average rebound distance that is only eight feet from the rim — not exactly a remote location. Part of this has to do with physics, part has to do with player spacing. Long-range shots generally occur when players are more spread out and there are fewer potential rebounders near the basket. <br />
In this Image by Kirk Goldsberry from GrantLand.com presented by eBA Stats Basketball Statistics Analysis .
Image: by Kirk Goldsberry from GrantLand.com

"... The variance in team rebounds per game is LESS than the variance in rebounds per game by the center
alone ! ..."

"... Every additional rebound taken by the point guard reduces the rest of the team's rebound total by ... almost exactly one rebound: .96, to be exact. ..."

"... Taken at face value, that means that 24 out of 25 times, when a point guard gets a rebound, it's because the rest of the team deliberately leaves it for him! ..."

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: ' Random Basketball Versus Pick & Roll ' by Miguel Ángel Paniagua.



Friday Video Clippings:
Quantitative Vs Qualitative



Quantitative Vs Qualitative

Two researchers debate whether to use
Qualitative or Quantitative research in their new study


'Press and Video Clippings'
is a Series of Notes edited the regularly

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05/23/14

"Stat Gurus" Forced to Consider Possibility That the "Hot Hand" Exists
by David Friedman ~ in our Friday Press & Video Clippings

Friday Press Clippings:
"Stat Gurus" Forced to Consider Possibility That the "Hot Hand" Exists
By David Friedman

Basketball Statistician's Friday Press Clippings
From 20 Second Timeout
By David Friedman
Download source here:
"Stat Gurus" Forced to Consider Possibility That the "Hot Hand" Exists
by David Friedman

"... "Stat gurus" puff out their chests and declare that their proprietary methods give them a significant edge over "old school" talent evaluators but research shows that tanking does not work precisely because of just how difficult it is for anyone--even a "stat guru" armed with reams of "advanced basketball statistics"--to predict/project future player performance.

Another cherished "stat guru" assumption is that the "hot hand"--also known as being in the "zone"--does not really exist.

Many people who have coached, played or even just watched basketball believe that they can recognize when a player gets "hot"--when he is in an unstoppable "zone"--but "stat gurus" dismiss such ideas. ......"

"... "Stat gurus" cheered when a 1985 study conducted by Thomas Gilovich, Robert Vallone and Amos Tversky indicated that what may look like a "hot hand" is really just a random occurrence.

One major problem with that study, though, is that it did not represent a meaningful sample size. The researchers focused on the shooting statistics of the Philadelphia 76ers because the 76ers were the only NBA team at that time which kept complete shot by shot data.

That is kind of like looking for your lost keys in one small area not because that is where you think that you lost them but because that is the only place where there is enough light to conduct your search. ..."


The data seems to show that successful shots are more likely to follow misses rather than hits. In this image from Jumbo Dumbo Thoughts presented by #eBAStatsGroup #BasketballStatistics Analysis .
Image: Jumbo Dumbo Thoughts



"... The amount of available statistical data has exploded in recent years and, after examining more than 70,000 NBA shots from the 2012-13 season, three Harvard researchers concluded that a player who has made his previous several shots is at least slightly more likely to make his next shot.

Does this study conclusively prove that the "hot hand" exists? Of course not.

The scientific method requires that hypotheses be repeatedly tested; Albert Einstein's Theory of Relativity is perhaps the best known and most successful theory in scientific history but researchers to this day still test Einstein's hypotheses regarding space, time and gravity.

Any "stat guru" who asserts that he has created the definitive player rating system is not practicing science; he is peddling snake oil. ..."

"... When I criticize the flawed reasoning employed by many "stat gurus" and when I point out the inherent limitations of "advanced basketball statistics," some people misinterpret my analysis to mean that I harbor some reflexive biases against using the best possible statistical tools to better understand basketball.

My main point is that "advanced basketball statistics" should not be worshiped as some infallible bastion of truth; "stat gurus" should habitually create testable hypotheses and then see if the best, most comprehensive data that can be gathered supports or refutes those hypotheses.

If Player X supposedly has a "rating" of 33.8 and is supposedly exactly 2.5 rating points better than Player Y, what is the margin of error in that rating system? ..."

"... Ironically, as more data about basketball is collected and analyzed, it is becoming evident that assumptions made by allegedly objective "stat gurus" are not any more trustworthy than assumptions made by supposedly subjective and/or biased observers. ..." Read more ...

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: “Tres mentiras estadísticas del baloncesto ” by Pablo Mira from Noches de Basket.



Friday Video Clippings:
London Fireworks - New Year Live !



... London Fireworks - New Year Live !

London Fireworks in full HD - New Year Live by BBC One

Enjoy!


'Press and Video Clippings'
is a Series of Notes edited the 3rd. Friday of Every Month

To Read ALL the Clippings in this Series, click here: Categories > Contents Online



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02/21/14

"Advanced Basketball Statistics" Do not Tell the Complete Andrew Bynum Story
by David Friedman ~ in our Friday Press & Video Clippings

Friday Press Clippings:
"Advanced Basketball Statistics" Do not Tell the Complete Andrew Bynum Story
By David Friedman

Basketball Statistician's Friday Press Clippings
From 20 Second Timeout
By David Friedman
Download source here:
"Advanced Basketball Statistics" Do not Tell the Complete Andrew Bynum Story by David Friedman

"... It sounds patently absurd now (and it sounded absurd at the time), but not too long ago some "stat gurus" suggested that Andrew Bynum was more valuable to the L.A. Lakers than Kobe Bryant; these "stat gurus" crunched some numbers out of context and concluded that Bynum was more efficient and productive than Bryant, failing to understand that Bynum's efficiency was a product of the defensive attention drawn by Bryant ......"

"... Bynum was never as good as the "stat gurus" suggested--and much of what he accomplished in L.A. resulted not just from the attention that Bryant drew on the court but also the mentoring that Bryant provided: ..."

"... There is no stat for drawing double teams and there certainly is no stat for mentoring, so you cannot convince a "stat guru" that these concepts exist, much less that they actually matter--but, nevertheless, these concepts are important elements in the construction of winning teams.

The Lakers' record without Bryant this season speaks for itself but it is also worth noting what Bynum has been up to since the Lakers traded him to acquire Dwight Howard. ..."

"... Chris Grant, the recently fired Cleveland General Manager who brought Bynum to the Cavaliers, is reportedly a big believer in "advanced basketball statistics." There may not be a number to quantify Bryant's impact on the Lakers in general or on Bynum in particular but there is a number to quantify Grant's impact on the Cavaliers: a 20-33 record that places the Cavaliers 11th in the incredibly weak Eastern Conference. ..."

ESPN reports (January 2, 2014)that talks between the Lakers and Cleveland Cavaliers for a deal to end Pau Gasol to the Cavs in a trade-and-waive salary clearance move for Andrew Bynum have hit a standstill. The deal is not dead but it is no longer progressing. The Cavs, who have until Jan. 7 to trade Bynum before his contract becomes guaranteed and loses its instant value in a trade, are now actively seeking other options. In this photograph by USATSI from CBS Sports presented by #eBAStatsGroup #BasketballStatistics Analysis .

Photograph: CBS Sports

"... While some "stat gurus" praised Bynum to the hilt and raved about Bryant's supporting cast during the 2009 and 2010 title runs, I called those squads "among the least talented and least deep champions of the past two decades."

Other than Bryant, the top nine players in the 2010 Lakers' rotation (based on total regular season minutes played) were Metta World Peace, Lamar Odom, Pau Gasol, Derek Fisher, Andrew Bynum, Shannon Brown, Jordan Farmar, Josh Powell and Sasha Vujacic. ..."

"... "Advanced basketball statistics" can indicate that Bynum was productive while playing alongside Bryant--but they cannot explain why Bynum was productive, nor can they accurately predict how productive Bynum might be in a different role on a different team; only someone who watches basketball with understanding can make such evaluations.

If Bynum and the other 2010 Lakers were as good as so many people said that they were, it is reasonable to assume that at least one of those players would be doing better without Bryant than they did with him. ..."

"... In retrospect, it seems incredible that Bryant won two of his NBA titles with a career journeyman starting at point guard, with Lamar Odom as the team's third best player and with Pau Gasol as the team's second best player.

Most NBA championship teams are stacked with multiple All-Stars and/or future Hall of Famers--players who made their names before the championship run--but the only 2010 Laker besides Bryant who might make the Hall of Fame is Gasol, whose career was not on a Hall of Fame trajectory until he teamed up with Bryant. ..." Read more ...

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: “Análisis táctico Final Copa del Rey 2014 ” by Fernando Gordo from Solo Basket.



Friday Video Clippings:
The European River Cruise !



... The European River Cruise !

The European River Cruise !

... with spectacular scenery along the rivers Rhine, Moselle & Main.

Enjoy!


'Press and Video Clippings'
is a Series of Notes edited the 3rd. Friday of Every Month

To Read ALL the Clippings in this Series, click here: Categories > Contents Online



Your comments are Welcomed ! ... by means of eBA InterMail English or just here !

Post Your Comment

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11/22/13

Charley Rosen Explains Why Statistics Can be Very Misleading
by David Friedman ~ in our Friday Press & Video Clippings

Friday Press Clippings:
Charley Rosen Explains Why Statistics Can be Very Misleading
By David Friedman

Basketball Statistician's Friday Press Clippings
From 20 Second Timeout
By David Friedman
Download source here:
Charley Rosen Explains Why Statistics Can be Very Misleading
by David Friedman

"... Yet even as Sabermetrics has become the latest craze in the NBA (as per the recent hiring of the stat-crunching John Hollinger by Memphis) there are many fallacies in this way of evaluating basketball players.

The primary one being that most statistics tally what happens when a player either has the ball in his possession or is in close proximity to the ball. Since there are 10 players on the court, 80-90 percent of the game is ignored. ..."

"... Points scored is another misleading number. Points racked up by players on bad teams are relatively meaningless. It’s when a player scores that really counts, plus the circumstances. Amassing stats on how many fourth quarter points somebody scores, or how many times he scores in the last two minutes of a close game, etc. are also limited evaluations.

Did a player score because a defender missed an assigned rotation? Or the player grabbed a teammate’s airball and wound up with an uncontested layup? Or was it a breakaway dunker created by a teammate’s steal, offensive rebound, and or perfect outlet pass? ..."

"... Let’s examine minutes and games played. In NBA.com, minutes are given in whole numbers. This means a guy who plays one second and one who plays eighty-nine seconds are both credited with one game and one minute played.

This eighty-eight second difference could conceivably include at least four possessions, and could therefore be the difference between a totally insignificant appearance and a critical one. ..."

Dwight Howard And Chris Paul? There can only be one ! But Rosen's point about assists is particularly relevant and also easy to verify; Chris Paul is indisputably a great passer but I have repeatedly documented that his assist totals are inflated. In this photograph by KBXX from The Box Houston presented by eBA Stats Basketball Statistics Analysis .

Photograph: The Box Houston

"... To truly judge the effectiveness of any given player, disregard the numbers and disregard the ball. Instead watch what he does when he doesn’t have possession or isn’t even in the neighborhood of the ball.

Does he set weakside picks? Make cuts that open up space for a teammate? Make the pass that leads to an assist pass? Box out? Make appropriate defensive rotations? Get back on defense? And so on ..."

"... Rosen's point about assists is particularly relevant and also easy to verify; Chris Paul is indisputably a great passer but I have repeatedly documented that his assist totals are inflated.

I don't know if the NBA has unofficially broadened the definition of an assist to the extent that the statistic is rendered almost meaningless or if certain scorekeepers favor home players and/or star players but it should be obvious that if the raw box score statistics are not trustworthy then the so-called "advanced basketball statistics" must be taken with a heavy grain of salt. ..."

"... Many "stat gurus" are all too willing to ignore the problematic nature of box score statistics while at the same time insisting that their proprietary "advanced" numbers are infallible but Dean Oliver is one researcher who consistently communicates in a very measured tone about the limitations of "advanced basketball statistics."

Oliver's recent ESPN.com article is a welcome departure from the haughty tone and wildly outrageous claims that far too often characterize the writing produced by proponents of "advanced basketball statistics."

Oliver has high hopes for the future of "advanced basketball statistics" but he also candidly admits, "The problem with player value metrics is that there is little to validate them, meaning that no metric has established itself as clearly the best. Metrics couldn't even be fairly compared. As each new metric has been developed, it has served mostly to complement traditional scouting, a way to reality check when subjective opinions formed by watching and hearing about players were going too far astray." ..." Read more ...

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: “Estadística y baloncesto: ¿existe la "Navarrodependencia"? ” by Estadística por todas partes .



Friday Video Clippings:
Zack Hemsey: Our Story In 2 Minutes !



Zack Hemsey: Our Story In 2 Minutes !

Our Story In 2 Minutes by Zack Hemsey

"... My final project I made for my video productions class "Cutaway Productions" (Search them for their channel) at my high school. I don't own the rights to the song or the pictures and I am not trying to claim them, I just did this video for fun and i spent many a hour on it.

I used Final Cut Pro to make this.

Enjoy! ..."

Song: Mind Heist (yes it is from Inception)
by: Zack Hemsey


'Press and Video Clippings'
is a Series of Notes edited the 3rd. Friday of Every Month

To Read ALL the Clippings in this Series, click here: Categories > Contents Online



Your comments are Welcomed ! ... by means of eBA InterMail English or just here !

Post Your Comment

tags:  ~ ~ ~ ~ ~ ~
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FEBRUARY 2019 Selected Pages !

About the eBA Stats Group Social Networks, Basketball Plays & Statistics Formulas!

About the Basketball Efficiency
in Different Possession Start Cases

About Basketball Assists
& Potential Assists

About the Right Way
to Evaluate the Basketball Defense

About Two Assists
in the SAME Basketball Play

About the Basketball
Team Defense Analysis

Open Letter About LinkedIn

About Basketball Stats,
Methods and Players

The Hand IS Part of the Ball
in Basketball

Underrated or Overrated
Individual Stats

Game Pace & TO Ratios
of Individual Players

Tracking Each Shot and the Game Situation with the Best Indicators of the Winner

Basketball Game Analyst
or Scientific Analyst ?

About Basketball Scouters & Statisticians

Modern Basketball Assist-Turnover
Ratio Levels

The Statistical Decision Limit
in Basketball

Basketball Rebounds
as Statistical Factor

Statistics Never Tell
the WHOLE Story

Basketball Starters and Substitutes

About the Basketball
Plus / Minus Data Analysis

Statistics Box Score Balance Errors

Basketball Assists
& Potential Assists

Basketball Team Defense

Basketball TO
& the "Game Pace" Factor



Páginas Seleccionadas
de FEBRERO 2019 !


Sobre las Redes Sociales del Grupo eBA Stats, Jugadas de Baloncesto y Fórmulas Estadísticas!

Sobre la Eficiencia en Baloncesto
Según el Comienzo de Posesión

Sobre las Asistencias del Baloncesto
y las Asistencias Potenciales

Sobre la Forma Correcta de Evaluar
la Defensa en Baloncesto

Sobre Dos Asistencias
en Una MISMA Jugada en Baloncesto

Análisis de la Defensa de Equipo
en Baloncesto

Carta Abierta Sobre LinkedIn

Sobre Estadísticas, Métodos
y Jugadores

La Mano ES Parte del Balón
en Baloncesto

'Ritmo de Juego'
& la 'Relación de BP'

Cada Lanzamiento Conforme a la Situación y los Mejores Indicadores de una Victoria

Analista de Partido de Baloncesto
ó Analista Científico ?

Sobre Escouters y Estadígrafos
del Baloncesto

Niveles de Relación Asistencias-Balones Perdidos en el Baloncesto

El Límite Estadístico Determinante
en Baloncesto

Concepto del Rebote
como Factor Estadístico en Baloncesto

Las Estadísticas No cuentan TODO !

Titulares y Suplentes en Baloncesto

Sobre el Análisis de los
Datos del Plus / Minus en Baloncesto

Errores en el Balance de las Estadísticas

Asistencias y Asistencias Potenciales

Análisis de la Defensa de Equipo

BP y el Factor "Ritmo de Juego"



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