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Pages: [1] 2 3 ... 10
 1 
 on: Today at 01:42:30 AM 
Started by BGA J.J. Diaz - Last post by BGA Roberto Azar
The eBA Basketball Statistics Analysis System
El Sistema eBA de Análisis de las Estadísticas del Baloncesto


• eBA Basketball Statistics System X: Basketball Rebounding Statistical Tracking  ~ 1.2
• Sistema eBA de Estadísticas del Baloncesto X: Registro Estadístico de los Rebotes ~ 1.2


(for the English Version, See Below)

Sistema eBA de Análisis Creativo de las Estadísticas del Baloncesto
Capítulo X: Analizando los REBOTES en Baloncesto

por Prof. Roberto Azar - December 22, 2013; Updates: September 24th., 2017

                       

Sobre el Porcentaje de Rebote de Equipo:

   

Porcentaje de Rebote de Equipo:
   
   ROf% = ( Rebotes Ofensivos Propios ) /
   ( Rebotes Ofensivos Propios + Rebotes Defensivos del Oponente )
   
   RDf% = ( Rebotes Defensivos Propios ) /
   ( Rebotes Defensivos Propios + Rebotes Ofensivos del Oponente )
   
   Reb% = ( Nuestro Total de Rebotes ) /
   ( Nuestro Total de Rebotes + Total Rebotes del Oponente )

                           
                           

Sobre el Concepto:

   

Esta es simplemente toda la cuestión. Pero, nosotros debemos evitar el    uso del Porcentaje Total de Reboteo como un indicador de reboteo general, porque    éste está influenciado por el número y el tipo de las oportunidades - aún cuando    se trata de una estadística muy útil. Es por ello que los equipos siempre tienen un    porcentaje defensivo más alto que el ofensivo.
   
   Y ésta es la razón por la que un equipo que tiene más oportunidades defensivas en    promedio de las que se tienen ofensivamente tendrá un porcentaje total general más alto.    Es posible que un equipo tenga un más alto porcentaje de reboteo ofensivo y    defensivo que otro equipo, aún cuando tenga un porcentaje total más    bajo.
   


Temática del Próximo Mensaje: Cap. 10.3 El Manual del Estadigrafo




eBA Basketball Statistics Creative Analysis System
Chapter X: Basketball REBOUNDS Analysis

by Prof. Roberto Azar - December 22, 2013; Updates: September 24th., 2017

                       

About the Team's Rebounding Percentage:

   

Team's Rebounding Percentage:
   
   Off% = ( Own Offensive Rebounds ) /
   ( Own Offensive Rebounds + Opponent’s Defensive Rebounds )
   
   Def% = ( Own Defensive Rebounds ) /
   ( Own Defensive Rebounds + Opponent’s Offensive Rebounds )
   
   Reb% = ( Own Total Rebounds ) /
   ( Own Total Rebounds + Opponent’s Total Rebounds )

                           
                           

About the Concept:

   

It’s simply all the question. But, we must avoid the use of Total    Rebounding Percentage as an indicator of overall rebounding, because it is influenced by    the number and type of opportunities - although it’s a useful stats. So that teams    always have a higher defensive percentage than offensive.
   
   Because a team that has more defensive opportunities on average than they do offensive    will have a higher overall percentage. It’s possible for a team to have a higher    offensive and defensive rebounding percentage than another, yet still have a lower total    percentage.





Next Message Thematic: Ch. 10.3 The Statistician' Manual

 2 
 on: Today at 01:24:15 AM 
Started by BGA Sandra Mirsov - Last post by BGA Roberto Azar
The eBA Basketball Statistics Analysis System
El Sistema eBA de Análisis de las Estadísticas del Baloncesto


• eBA Basketball Statistics System IV: The Points Off Turnovers
• Sistema eBA de Estadísticas del Baloncesto IV: Los Balones Perdidos


(for the English Translation, See Below )

Pérdidas de Balón Forzadas y No Forzadas en Baloncesto

por Prof. Roberto Azar - Diciembre 08, 2015; Actualizado: Septiembre 24, 2017

Tenemos una pérdida de balón cuando su equipo tiene el balón, y pierde la posesión a favor del otro equipo. Una pérdida de balón puede producirse en la forma de un pase interceptado o robado por el oponente, un pase que uno mismo lanza fuera del campo, puede ser un robo de balón a nuestro dribleador, se produce cuando uno de nuestros jugadores comete la infracción de los tres segundos, etc., etc, etc.

Cuando la pérdida de balón ocurre o cuando es forzada durante una situación de cortina SOBRE EL BALON, es decir que existe una directa influencia de la acción de un oponente: el Sistema eBA de Análisis de las Estadísticas del Baloncesto refiere a ésta como pérdida de balón FORZADA. Cuando la pérdida de balón ocurre SIN influencia o interferencia del oponente: un mal pase que UNO MISMO lanza afuera, nosotros llamamos a esto una pérdida de balón NO FORZADA.

El valor de la pérdida de balón, no varía en nuestra métrica, siendo el mismo para ambos tipos, pero el reporte del Sistema eBA de Análisis de las Estadísticas del Baloncesto le da al Entrenador el total y los porcentajes de Pérdidas de Balón Forzadas y no Forzadas por separado, conduciendo a un análisis más profundo de las posesiones.

Comentario de    los debates en la Clínica del Sistema eBA:

"Un jugador tiene posesión del balón con ambas manos:
- se inclina hacia abajo y pone la pelota sobre el piso con ambas manos aún sobre el balón,
- se para aún con el balón en sus manos y cae nuevamente abajo y toca el piso con el balón aún en sus manos, se trata de un caso de doble drible ?
Que clase de regla estadística: pérdida de balón no forzada ?

Conforme a las reglas un movimiento de drible es definido como:
"un movimiento del balón, causado por un jugador en control, quien lanza o palmea el balón en el aire o hacia el piso."

Esas mismas reglas nos dan siete formas de finalizar un drible, una de las maneras es cuando el jugador toca el balón con ambas manos simultáneamente.
Por lo tanto, como primera respuesta - sigue el análisis - a la pregunta es que estamos frente a una pérdida de balón no forzada ( y sólo si la cerrada defensa del oponente es causante de la acción, registraremos una pérdida forzada )

Hay un par de doble significados en esta situación: el primero depende de si el jugador ha iniciado o no el drible. La acción descripta, si éste es su primer movimiento con el balón podría no ser un doble drible.
La razón de esta afirmación es que un drible es realizado por "un jugador en control del balón, quien lanza o palmotea el balón en el aire hacia el piso". En ningún momento de la acción descripta el jugador "lanza o palmotea el balón en el aire hacia el piso". Como resultante de ello es que nunca tuvo su primer drible, por tanto un segundo podría ser imposible.

En el caso descripto más arriba el jugador podría aún estar violando las reglas, y esa violación sería la de "Caminar". Éste sería el segundo significado que proviene de la aplicación de la regla del doble drible, que sería si la acción descripta fuera realizada con sólo una mano.

Registro Estadístico eBA: Pérdida de Balón No Forzada.

Aun en el caso en que el jugador obtiene un pase de otro jugador o recoge un rebote, se inclina hacia el piso, pone el balón sobre el piso con ambas manos aún sobre el balón, entonces se para y se inclina nuevamente sobre el piso con ambas manos aún sobre el balón, a efectos de proteger el balón de su oponente: no existe doble drible pues el balón nunca abandonó las manos de jugador.



No se puede penar doble drible mientras no finalice una serie de dribles."


Temática del próximo mensaje:
Cap. 4.4 Fórmulas & Ratios Particulares de Balones Perdidos en Baloncesto




Lady Bulldogs watch as their teammate Caitlyn Patterson (#55) makes a forced turnover against Carlisle. In this Photograph by Paul N. Kim presented by eBA Stats Basketball Statistics Analysis .
Photograph: Paul N. Kim



Forced and Unforced Basketball Turnovers

by Prof. Prof. Roberto Azar - December 08, 2015: Updated: September 24, 2017

We have a  turnover when your team has the ball, and you lose it to the other team. A turnover can come in the form of a stolen pass, a pass that you throw out of bounds, it can be where they steal the ball away from your dribbler, it can be where you have a player stand in the paint for over three seconds, etc., etc, etc.

When the turnover does occurs or when a bad shot is forced during an ON BALL screen situation, that's means there is a direct influence of an opponent action: the eBA Basketball Statistics Analysis System refers to it as a FORCED TURNOVER. When the turnover does occur WITHOUT any opponent influence or interference: a bad pass a player HIMSELF throws out of bounds, we call it an UNFORCED TURNOVER.

The value of the turnover, doesn't vary in our metric, being the same for both types, but the eBA Basketball Statistics Analysis System report give to the coach the total quantity and percentages of Forced and Unforced Turnovers by separate, leading so to a deeper analysis of our possessions.

Discussion from the eBA    System Clinic:

"A player has possession of the ball in his both hands:
- he stoops down and puts the ball on the floor with his both hands still on the ball.
- he stands up again with the ball still in his hands and stoops down again and put the ball back on the floor with his both hands still on the ball, is this a double dribble call?
What kind of Basketball statistics-rule: unforced turnover?

According to the rules a dribble movement is defined as:
"movement of the ball, caused by a player in control, who throws or taps the ball into the air or to the floor."

Those same rules give us 7 ways a dribble is ended, one of the ways is when a player touches the ball simultaneously with both hands.
So the first answer - an analysis is below - to the question is that it is an unforced turnover ( and only if an opponent close defense caused the action we'll register a forced turnover ).

There are a couple of meanings in this situation: the first depends on whether or not the player started to dribble. The described action, if it is his first movement with the ball would not be a double dribble.
The motive for this ratification is because a dribble is done when "a player in ball control, who throws or taps the ball into the air or to the floor". At no moment of the described action the player "throws or taps the ball into the air or to the floor". As a result of it is that the player never had his first dribble, so having a second would be impossible.

In the action described above the player would still be breaking the rules, and this violation would be "Traveling". This would be the second meaning coming from the application of the double dribble rule, that would be if the described action was made with only one hand.

eBA Statistics Tracking: Unforced Turnover.

Although in the case in which a player get a pass from another player or catches a rebound, he crouch through the floor, put the ball on it with his both hands still on the ball, then stand up and crouches again putting back the ball on the floor again with his both hands still on the ball while its on the floor, in order to protect the ball from his opponent: this is not double dribble because the ball never left the player's hands.



It's impossible to get a double dribble call until one set of dribbling was ended....."  


Next Message Thematic:
Ch. 4.4 Particular Basketball Turnovers Formulas & Ratios




 3 
 on: Today at 12:30:22 AM 
Started by Juan212Jose - Last post by BGA Jorge Dunwy'
Análisis Regla de Baloncesto de los 3-seg Botando en el Area
3-seconds Basketball Rule Dribbling in the Area Analysis


• El conteo de los 3-segundos Continúa Botando en el Area
• The 3-seconds Count Continues Dribbling in the Area


( for English Translation= See Below )

Para resumir este tópico, hay una serie de aclaraciones en la regla de los 3 segundos. Estas incluyen:

A efectos de que un jugador se establezca a sí mismo fuera del área restringida, él debe colocar ambos pies fuera del área restringida.

Una violación no debería ser penada a un jugador haciendo un intento de abandonar el área restringida.
Una violación no debería ser penada a un jugador que está en el área restringida cuando el o un integrante de su mismo equipo dentro o fuera del área restringida está en el acto de lanzamiento y el balón está abandonando o justamente abandonó la(s) mano(s) del lanzador.

Una violación de tres-segundos no puede ser penada a menos que el equipo en posesión tenga el control de un balón vivo sobre el campo de juego. El conteo para una violación de los 3-segundos no comienza hasta que un jugador en el campo está en control del balón después de una puesta de juego desde fuera de las líneas demarcatorias.

Esta temática está analizada en la exposición "Tiempo de Juego" en la Clínica de Estadísticas del Baloncesto en eBA EN-LINEA.

La intención de la regla de los 3 segundos: La intención de la regla de los 3 segundos es no permitir a un jugador en ataque obtener una ventaja. Los árbitros no penarán esta violación si no se está obteniendo una ventaja.
No hay conteo de los 3 segundos entre la liberación de un lanzamiento al aro y el control de un rebote, en cuyo momento un nuevo conteo se inicia.
No hay conteo de los 3 segundos en una puesta en juego.
No hay conteo de los 3 segundos mientras el balón está en la pista trasera.

Libro de Casos: Un conteo de 3 segundos continuará durante un drible interrumpido.
La Regla 9-7-1 dice: "cuando el balón está en control de su equipo...". NO SE pierde el control de equipo durante un drible interrumpido, solamente el control de jugador.
He aquí la corrección del Libros de Casos pagina 66-67:
La Regla 9.7.2: Borrar las últimas tres palabras "o drible interrumpido" en la última frase de la regla.

Diferencias entre las Ligas: Hay dos mayores diferencias entre las reglas de FIBA y NBA: en la NBA, el conteo de los tres segundos se aplica sólo cuando el balón está dentro del campo en la pista delantera; mientras que en FIBA el conteo está en efecto cuando sea que el equipo está en control del balón dentro del campo de juego.
En la NBA el conteo de los 3 segundos es suspendido cuando el balón es "loose ball - balón suelto", es decir, está vivo pero en posesión de ningún equipo.

Comentarios: Sabemos que el conteo de los 3 segundos finaliza cuando el lanzamiento es realizado, pero por supuesto, el silbato no siempre se silencia antes de que el balón sea liberado...

El problema con la regla de los tres segundos es que todos esos simples detalles no significan mucho: los jueces generalmente penarán 3 segundos basados en el espíritu y la intención de la regla ( ver mensajes anteriores ). Un jugador debería tocar con ambos pies fuera del área antes de reingresar. Pero si el jugador sale el mismo del plano vertical marcado por esas líneas del área, ha cumplimentado el intento de la regla.

Si un jugador está con piernas separadas sobre la línea del área y eleva el pie que esta dentro de área pero no hace ningún ningún intento de sacar ese pie fuera del área restringida, un juez debería continuar el conteo.

Si un jugador tiene un pie dentro del área restringida y está lejos de la jugada, ningún juez experimentado penará una violación ya que una ventaja no ha sido ganada.


Conclusión: Para resolver cualquier otra pregunta sobre la regla de los tres segundos, nos preguntamos a nosotros mismos: "Ha sido ganada una ventaja que no ha sido la intención de la regla ?" Si fue ganada, entonces tenemos una violación, registrada como un BALÓN PERDIDO NO-FORZADO.

Mensaje Actualizado con Vídeo y Aumentado el 24 de Setiembre, 2017

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To summarize this topic, there are number of clarifications in the three-second rule. These include:

In order for a player to establish himself outside the restricted area, he must place both feet outside the restricted area.

A violation should not be called on a player making an attempt to leave the restricted area.
A violation should not be called on a player who is in the restricted area when he or a team-mate inside or outside the restricted area is in the act of shooting and the ball is leaving or has just left the hand(s).

A three-second violation cannot be called unless the team in possession has control of a live ball on the court. The count for a three-second violation does not begin until a player on the court is in control of the ball after a throw-in, from out-of-bounds.

The intent of the three-second rule: The intent of the three-second rule is to not allow an offensive player to gain an advantage. Referees will not call this violation if the player is not gaining an advantage.
There is no three-second count between the release of a shot and the control of a rebound, at which time a new count starts.
There is no three-second count during a throw-in.
There is no three-second count while the ball is in the backcourt.

This topic is analyzed in the exposition "Time Played" in the Basketball Statistics Clinic at eBA ONLINE.

Case Book: A 3 seconds count continue during an interrupted dribble.
Rule 9-7-1 says: "when the ball is in control of his/her team...". You DO NOT lose team control during an interrupted dribble, only player control.
Here is the correction from the Case Book, page 66-67:
Rule 9.7.2: Delete the last three words "or interrupted dribble" in the second to the last sentence of the ruling.

League Differences: There are two major differences between FIBA and NBA rules: in the NBA, the three second count applies only when the ball is in bounds in the front court; meanwhile, in FIBA the count is in effect whenever a team has control of the ball inbounds.
In the NBA the 3-second count is suspended if the ball is loose.

Commentaries: We know that the 3 seconds count is over once a shot goes off, but of course, the whistle doesn't always go off before the ball is released...

The problem with the three second rule is that those little details of the rule do not mean much: referees generally call three second violations based on the spirit and intent of the rule (see messages above). A player should touch both feet outside the lane before reentering. But if the player gets himself out of that vertical space marked by the lane lines, they have met the intent of the rule.

If a player is  legs apart over the lane line and lift the foot in the lane but makes no attempt to draw the foot back outside the lane, a referee would likely continue the count.

If a player only has a foot inside the lane and they are away from the play, no skilled official would call a violation because no advantage was gained.


Conclusion: To resolve any other question about the three second rule, ask yourself: "Was an advantage gained that was not intended by rule ?" If there was, it is a violation tracked as an UNFORCED TURNOVER.


Message Updated with Video and Enhanced on September 24th, 2017

Doubts ? Send us your questions and commentaries by means of eBA InterMail !

 Cheesy Translation & Links:  
eBAstats - the basketball statistics forum

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 4 
 on: Yesterday at 02:18:39 AM 
Started by alexs69 - Last post by BGA Roberto Azar
Basketball 2nd Chance Points: Definition & Statistical Tracking
Puntos de 2da Chance: Definición & Registro Estadístico


• Basketball Bonus Possessions and Offensive Rebound Differential
• Posesiones Extras en Baloncesto & Diferencial en el Rebote Ofensivo


( for English Translation= See Below  )

El más importante generador de posesiones extras en baloncesto es el reboteo ofensivo. Consecuentemente, cuando un partido termina, la diferencia en el número total de posesiones generalmente indica la diferencia en los rebotes ofensivos de ambos equipos
 
Cada rebote ofensivo produce una posesión extra, y el  que se asegura la mayor cantidad de rebotes ofensivos en el partido puede utilizar esas posesiones extras para superar algunos de los efectos de un pobre lanzamiento o frecuentes pérdidas de balón.
 
De la misma manera, el equipo con menos rebotes ofensivos en un partido deberá tener una  performance más eficiente que su oponente para tener alguna chance de vencer en el partido.
 
Un equipo que sistemáticamente obtiene 4 rebotes ofensivos más que sus oponentes tendrá el beneficio de 4 posesiones extras por partido. Si el equipo convierte una relación de 0.9 a 1.1 ppp (puntos por posesión), 4 posesiones extras en un partido  proveen una ventaja de 4 puntos cuando todo las demás categorías son iguales.

Muchos analistas de partido y entrenadores no comprenden la importancia del diferencial en el rebote ofensivo. Por contraste, tomando en cuenta todos los diferentes aspectos de la situación, los puntos en segunda oportunidad que un equipo gana a través de su reboteo ofensivo puede ser el generador más productivo de posesiones de la que un equipo pueda beneficiarse.  

El Sistema eBA de Análisis Creativo de las Estadísticas del Baloncesto clasifica las posesiones conforme a la eficiencia del equipo en los intentos en primera instancia y los puntos obtenidos en segunda ( o cualquier otro orden ) . El sistema eBA de recolección y evaluación de datos nos da el total de puntos convertidos en segunda ( o cualquier otra ) oportunidad relacionados con el número de rebotes ofensivos.  

La producción de puntos puede ser significativamente más alta para los puntos en segunda oportunidad que los de primera instancia. Pero está claro que ningún equipo tendrá siempre este resultado de mayor eficiencia.  


En consecuencia, algunos equipos defienden contra posesiones en segunda oportunidad mejor que otros. Desde este punto de vista, la eficiencia en la segunda oportunidad es un factor de importancia requerido para fijar el valor de las posesiones extras por rebote ofensivo.

Mensaje Actualizado y Aumentado el 25 de Septiembre, 2017

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 Smiley Prof. Roberto Azar -  
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The basketball point production may be significantly higher for second chance possessions than first chance possessions. But it is clear for the basketball statistics analysis that no team will always have this  higher efficiency output. 
In this Image by Kirk Goldsberry from GrantLand.com presented by eBA Stats Basketball Statistics Analysis .
Image: by Kirk Goldsberry from GrantLand.com


The basketball point production may be significantly higher for second chance possessions than first chance possessions. But it is clear for the basketball statistics analysis that no team will always have this  higher efficiency output.


The most significant source of bonus possessions in basketball is the offensive rebounding. Consequently, when the game ends, the difference in the total possessions generally indicates the difference in the offensive rebound from both teams.

Every offensive rebound produces a bonus possession, and the team that assures the most offensive rebounds in a game can manage the net bonus possessions to overwhelm some of the effects of unsatisfactory shooting or common turnovers.

In like manner, the team with fewer offensive rebounds in a game must give a performance  in a more efficient manner  than their opponent to have any opportunity to win the basketball game.

A team that systematically gets 4 more offensive rebounds than its opponents will have benefit from an average of 4 bonus possessions per game. If a team scores 0.9 to 1.1 ppp (points per possession), four bonus possessions in a game supplies a 4 point advantage when every other categories are equal.

Many game analysts and coaches do not understand the importance of the offensive rebounding differential. By contrast, taking all the different aspects of a situation into account, the  possessions that a team gain through its offensive rebounding may be the most generative kind of possessions that a team can have benefit from.

The eBA Basketball Statistics Creative Analysis classifies possessions looking at the efficiency of the team in its first shot attempts and its second [or any other number] chance points. The eBA game collecting and evaluating data system give us the total second [or any other] chance points related to the number of offensive rebounds.

The point production may be significantly higher for second chance possessions than first chance possessions. But it is clear that no team will always have this  higher efficiency output.  


Therefore, some teams defend against second chance possessions better than others.  From this fact, the second chance efficiency is an important factor required to fix the value of the offensive rebounding bonus possessions.
 

Message Updated and Enhanced on September 23th, 2017


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 Cheesy Translation & Links:  
ebastats - the basketball statistics forum



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 5 
 on: Sep 22, 2017, 12:31:51 AM 
Started by Paraiso - Last post by HBC Debby Telmes
Basketball Double Dribble Statistical Analysis & Cases
Análisis Estadístico y Casos de Doble Drible en Baloncesto


• No hay Doble Drible en Baloncesto hasta el Fin de la Serie
• No Basketball Double Dribble until a Set is Ended


( for English Translation: See Below )

Hay un par de doble significados en la situación planteada en la primera posta y que se aplican a todo el hilo: el primero depende de si el jugador ha iniciado o no el drible. La acción descripta, si éste es su primer movimiento con el balón podría no ser un doble drible.

La razón de esta afirmación es que un drible es realizado por "un jugador en control del balón, quien lanza o palmotea el balón en el aire hacia el piso". En ningún momento de la acción descripta el jugador "lanza o palmotea el balón en el aire hacia el piso". Como resultante de ello es que nunca tuvo su primer drible, por tanto un segundo podría ser imposible.

En el caso descripto arriba el jugador podría aún estar violando las reglas, y esa violación sería la de "'Caminar'".  Este sería el segundo significado que proviene de la aplicación de la regla del doble drible, que sería si la acción descripta fuera realizada con solo una mano.
 
Registro eBA de las Estadísticas del Baloncesto:
Pérdida de Balón No Forzada.

Aún en el caso en que el jugador obtiene un pase de otro jugador o recoge un   rebote, se inclina hacia el piso, pone el balón sobre el piso con ambas manos aún sobre el balón, entonces se para y se inclina nuevamente sobre el piso con ambas manos aún sobre el balón, a efectos de proteger el balón de su oponente: no existe doble drible pues el balón nunca abandonó las manos de jugador. No se puede penar doble drible mientras no finalice una serie de dribles.

Mensaje Actualizado y Aumentado el 22 de Septiembre, 2017

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Smiley HBC Debby Telmes -
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There are a couple of meanings in the situation of the first message and we can apply them to all this thread: the first depends on whether or not the player started to dribble. The described action, if it is his first movement with the ball would not be a double dribble.

The motive for this ratification is because a dribble is done when "a player in ball control, who throws or taps the ball into the air or to the floor". At no moment of the described action the player "throws or taps the ball into the air or to the floor". As a result of it is that the player never had his first dribble, so having a second would be impossible.

In the action described above the player would still be breaking the rules, and this violation would be "Traveling".  This would be the second meaning coming from the application of the double dribble rule, that would be if the described action was made with only one hand.

eBA Basketball Statistical Tracking:
Unforced Turnover.

Although in the case in which a player get a pass from another player or catches a rebound, he crouch through the floor, put the ball on it with his both hands still on the ball, then stand up and crouches again putting back the ball on the floor again with his both hands still on the ball while its on the floor, in order to protect the ball from his opponent: this is not double dribble because the ball never left the player's hands. It's impossible to get a double dribble call until one set of dribbling was ended.


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 6 
 on: Sep 21, 2017, 12:26:02 AM 
Started by horace_131 - Last post by BGA Roberto Azar
Plus Minus Rating: The Right Definition and Applicability
Evaluación Plus Minus: La Correcta Definición y Aplicación


• Plus Minus IS NO Related to Minutes to Play
• Plus Minus NO ESTÁ Relacionado a los Minutos a Jugar


( for the English translation= See Below )

No, NO ES POSIBLE establecer dicha conclusión de ninguna manera: en la misma exposición que Usted leyó en eBA EN-LINEA ( 'El Análisis de la Evaluación Plus Minus' ), está claramente indicado lo siguiente: "Una situación cuando un jugador tiene una calificación NEGATIVA en el campo y POSITIVA mientras está en el banco, NO DEBE  ser ligeramente analizada como que ese jugador debiera haber jugado MAS minutos.

Debemos tener en cuenta, utilizando la Calificación de Plus / Minus que la discusión general sobre esta marca no ha considerado el efecto de la fuerza del oponente, porque la calificación + / - no mide las combinaciones de jugadores oponentes.

Por el otro lado, no existe una forma de distinguir entre jugadores con buenos números individuales pero malos números de equipo, en oposición a jugadores con malas estadísticas individuales pero buenas calificaciones de plus / minus.

Este método estadístico mide como cambia la diferencia de puntos cuando un jugador en particular está en juego en oposición a cuando no lo  está, evaluando la performance del equipo en ambas situaciones.

UNC's Roy Williams is well known by his mass substitutions in the game.
Roy Williams, de los UNC Tar Heels, bien conocido por sus sustituciones en masa en el juego

El Sistema de Calificación puede ser leido y estudiado en mi artículo en la Enciclopedia eBA del Baloncesto.

Retorne a Enciclopedia eBA a leer la exposición una vez más....
Y recuerde: el 'Plus Minus en Baloncesto' es una métrica que analiza cómo los equipos se desempeñan con un jugador determinado en la cancha, cómo ellos se desempeñan con un jugador en la cancha y calcula el impacto general que tiene el jugador en el éxito del equipo. Esto también se refiere a veces como el número de dentrol/fuera del campo de juego.

El Sistema de Análisis Creativo de las Estadísticas del Baloncesto trata de comparar el éxito del equipo con la performance individual, aplicando métodos razonablemente simples.
 
Si queremos aplicar la Calificación de Plus / Minus para sugerir cómo una determinada combinación de jugadores podría actuar en el campo frente a un adversario promedio, nosotros debemos determinar la suma de cada uno de los cinco jugadores. Debemos realizar la suma total de todos ellos y no promediarlos. Entonces al promedio de plus / minus de equipo será necesario agregarle un ajuste, el que es explicado en el Sistema eBA.  
 
Esta temática está ampliamente expuesta en el Libro del Sistema eBA de Estadísticas del Baloncesto con los siguientes ítems:


Sobre los Fundamentos;
Sobre la Fórmula;
Sobre los Números;
Comentario;
Libro de Casos de Estudio;
y Fuentes Relacionadas.


Mensaje Actualizado y Aumentado el 22 de Septiembre, 2017

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Plus/Minus Performance Analysis In this image from Winning Hoops presented by eBA Stats Basketball Statistics Analysis .
Image: Winning Hoops

Plus/Minus Performance Analysis

ON THIS CHART: Plus/Minus Performance Analysis Game 7 2001 Eastern Conference Finals. Here is a chart that details the individual plus/minus performances for Game 7 of Milwaukee’s Eastern Conference finals series vs. Philadelphia in which the Bucks lost 108-91.

Examining the plus/minus data for the game several interesting observations can be made:

– As a rule of thumb with plus/minus numbers your star players will generally have a plus/minus rating that mirror the team’s number as a whole. This is usually due to the fact that star players play a lot of minutes per game.

As an example this chart shows that Glenn Robinson’s plus/minus for this game was -17 in 46 minutes of playing time. You’ll notice that Robinson played almost the entire game (48 minutes in a game) and the team lost by 17 points. So in this case Robinson’s plus/minus number is more a reflection of the team’s score (The final game score was 108-91 and the scoring for the time that Robinson played was 106-89).

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

This chart shows that in this game (a 17 point loss) only three out of the 10 players who played had a positive plus/minus rating and that two out of those three players logged fewer than 2 1/2 minutes of playing time.

– In this game we were missing our power forward Scott Williams from the lineup. It’s interesting to note that Williams happened to be one of the top rated plus/minus guys in the entire NBA in 2001. In the 2000-2001 NBA season there were only five or six players in the entire league who averaged double-digit plus ratings per 48 minutes a game for the season. Williams Portland’s Arvidas Sabonis three players from San Antonio and John Stockton who led the league. (On a side note players on poor teams have a hard time getting good plus numbers due to the fact that their teams are usually behind. In that case you’d want to look at the plus/minus ratings of those players or lineups within the context of their own team.)

We lost four games in the seven-game series and our worst loss came when Williams was out of the lineup (Game 7 108-91). By Terry Stotts, Assistant Coach Milwaukee Bucks Milwaukee Wis


No, it's NO POSSIBLE to state that conclusion at all: in the same exposition you read at eBA ONLINE ( 'The Plus Minus Rating Analysis' ), it is clearly indicated the following: "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."

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.

This statistical method measure how point differentials change when a particular player is in game versus when he is not, evaluating how the team is performing in both situations.

UNC's Roy Williams is well known by his mass substitutions in the game.
Photograph by Kevin C. Cox

North Carolina Tar Heels's Roy Williams is well known by his mass substitutions in the game

You can read and study this rating system in my artícle in the eBA Basketball Encyclopedia.

Go Back to eBA Emcyclopedia to read the exposition once again...
And remember: the 'Basketball Plus Minus' is a metric that looks at how teams perform with a certain player on the court, how they perform with a certain player off the court, and calculates the overall impact that player has on team success. This is also sometimes referred to as the on court/off court number.

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.
 
This topic is fully exposed at the eBA Basketball Statistics System Book with the following items:


About the Fundamentals;
About the Formula;
About the Numbers;
Commentary;
Case Study Book;
and Related Sources.


Message Updated and Enhanced on September 21th, 2017

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 7 
 on: Sep 20, 2017, 12:30:44 AM 
Started by Coach George - Last post by BGA Sandra Mirsov
Basketball Shooting Formulas Analysis & Tracking
Registro & Análisis de las Fórmulas de Lanzamiento en Básquetbol


An "Advanced Basketball Statistic" That Makes Sense

An "Advanced Basketball Statistic" That Makes Sense   By  David Friedman
Basketball Statistician's Friday Press Clippings
From 20 Second Timeout
By  David Friedman
Download source here: An "Advanced Basketball Statistic" That Makes Sense
by  David Friedman


"...  It should be obvious that neither field goal percentage nor an "advanced basketball statistic" like true shooting percentage provide a complete description of a player's shooting ability and/or scoring prowess; a player who posts gaudy numbers in one or both of those categories may be a limited offensive contributor who can only score effectively in a very specific role (i.e., a big man who can only convert from point blank range or a slow-footed perimeter player who can only make spot up jumpers).  ..."

"... A player's offensive efficiency can only be accurately determined by examining his ability to create shots for himself and his teammates, his ability to score from a variety of areas on the court and his ability to draw double teams that can break down the opposing defense. Such evaluations can only be made by an informed observer who watches the sport with an objective eye. ..."

"...  A player who shoots .600 from the field but cannot make a shot outside of the paint and is easily defended one on one is not nearly as valuable as a player who shoots .450 from the field but can score from anywhere on the court and must be double-teamed.

Is there a way to reasonably compare two players who have such divergent skill sets? Kirk Goldsberry's solution to this problem is a new statistic that he and fellow Michigan State professor Ashton Shortridge devised: ShotScore ranks every NBA player's shooting prowess based on the relative difficulty of each shot that he took; Goldsberry and Shortridge determined the average NBA field goal percentage from every spot on the floor, compared the average percentages to each player's percentages from those spots on the floor and then expressed the results in terms of actual points scored versus expected points. ..."

Last year, NBA players took just about 200,000 shots. The league’s collective shot chart reveals the spatial nature of the NBA’s average shooting efficiency. By itself, the chart shows the stark relationship between court space and expected points per shot — that’s why 3-point shots are rapidly increasing in popularity while midrange shots are diminishing. 
In this Image by Kirk Goldsberry from GrantLand.com presented by eBA Stats Basketball Statistics Analysis .
Image: by Kirk Goldsberry from GrantLand.com



"... There is little doubt that ShotScore is a more precise measurement of a player's shooting efficiency than scoring average and/or field goal percentage.

The usefulness of ShotScore and the measured tone of Goldsberry's writing are a welcome contribution to basketball theory--and a marked contrast to the way that far too many "stat gurus" make arrogant and bold declarations that are unsupported by facts/objective observations.

However, there are some potential drawbacks to ShotScore: (1) it relies heavily on the completeness and accuracy of play by play data regarding shot locations and
(2) a person must have access to a tremendous amount of data in order to calculate a player's ShotScore. ..."

"... ShotScore could be very useful for general managers and coaches but it will be difficult for it to become a mainstream statistic unless/until the accuracy of the play by play data can be objectively proven and unless/until it becomes easier to compute each player's ShotScore; during a game, an informed observer can note the areas in which a player is effective and can instantly calculate his field goal percentage to get a "quick and dirty" estimate of his overall efficiency but there is no way that such an observer can instantly compute a ShotScore unless/until the NBA provides such data in real time (which could perhaps happen at some point). ..." Read more ...

Read more articles in 20 Second Timeout






Video Clippings:
Riccardo Muti: WE ARE SMALL BEFORE GOD !
El Arte de la Dirección Musical




Riccardo Muti: WE ARE SMALL BEFORE GOD !


The Master Lesson by Muti

This video which belongs to 'Musical America' was recorded during the award ceremony to the musician of the year of the publication 'Musical America' in December 2009. Neapolitan director Riccardo Muti makes a memorable speech about what it means to conduct an orchestra ... he means really direct... It has hilarious moments (apparently reaches a great comic gag) and ends with an exciting definitión about your job, a job he describes as "the world's most difficult profession.


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

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

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 8 
 on: Sep 19, 2017, 12:28:32 AM 
Started by BGA Roberto Azar - Last post by BGA Roberto Azar
The eBA Basketball Statistics Analysis System
El Sistema eBA de Análisis de las Estadísticas del Baloncesto


• eBA Basketball Statistics System XI: The Basketball Steals
• Sistema eBA de Estadísticas del Baloncesto XI: Los Balones Recuperados


(para la Traducción al Español, Ver a Continuación)


"In Basketball, a steal occurs when a defensive player legally gains control of the ball from an offensive player. This can be done by deflecting and controlling, catching, or batting (to a teammate) a pass or dribble of an offensive player.

A steal may happen while the offensive player is dribbling, holding the ball, or by intercepting a pass. The defender must not touch the offensive player's hands or otherwise a foul is called."

Table of Contents
• About the Basketball Steal Concept
• About the Concept & the Formulas
• Discussion & Commentary
• About the relation of Steals & Turnovers
• Particular Formulas & Ratios
• eBA Basketball Statistics Analysis System Registration
• From the Statisticians Manual
• From Another Point of View
• Case Study Book & Creative Analysis Webinar
• Related Sources
• Assignment and Exercise
• Glossary of Statistical Terminology


This eBA System 11th. Chapter will be developed in this new board with FREE ALL ACCESS. Contents shall be permanently updated by the eBA Annual Clinic participants, which has already concluded.

This Board in Read-Only with a Study Objective: debates and discussions are developed in the following board "Basketball Statistics & Features • Estadísticas & Hechos del Baloncesto "


Message Updated and Enhanced on September 19th, 2017

The eBA Stats Group at eBA-Stats.com ® is one of the largest non-commercial basketball statistics analysis group bilingual ( English & Spanish ) websites in the world. All our sites, eBA-Stats.com ~ eBAforums.com ~ eBAwords.com ~ eBAclinics.com & eBAblogs.com, has been built as a Basketball in general and Statistics in particular labor of love.
The eBA-Stats.com® Group is becoming a primary source of information and services for basketball coaches at the game statistical analysis area. In our last two years of professional life, the Site eBA-Stats.com® became the quickest and modern road to that information. eBA Stats Group is also in Google +, Facebook and Twitter, and in 3 Basketball Video Channels ! Enjoy it ! In this photograph presented by #eBAStatsGroup #BasketballStatistics Analysis .


The eBA Stats Group at eBA-Stats.com ® (click on the picture to reach the website!) is one of the largest non-commercial basketball statistics analysis group bilingual ( English & Spanish ) websites in the world.
All our sites, eBA-Stats.com ~ eBAforums.com ~ eBAwords.com ~ eBAclinics.com ~eBAsystem.com & eBAblogs.com, has been built as a Basketball in general and Statistics in particular labor of love.
The eBA-Stats.com® Group is becoming a primary source of information and services for basketball coaches at the game statistical analysis area. In our last two years of professional life, the Site eBA-Stats.com® became the quickest and modern road to that information.
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"Tenemos una pérdida de balón cuando su equipo tiene el balón, y pierde la posesión en favor del otro equipo. Una pérdida de balón puede producirse en la forma de un pase interceptado o robado por el oponente, un pase que uno mismo lanza fuera del campo, puede ser un robo de balón a nuestro dribleador, se produce cuando uno de nuestros jugadores comete la infracción de los tres segundos, etc. ..."

"In Basketball, a steal occurs when a defensive player legally gains control of the ball from an offensive player. This can be done by deflecting and controlling, catching, or batting (to a teammate) a pass or dribble of an offensive player.

A steal may happen while the offensive player is dribbling, holding the ball, or by intercepting a pass. The defender must not touch the offensive player's hands or otherwise a foul is called."

Tabla de Contenidos
• Sobre el Concepto de Balón Recuperado
• Sobre el Concepto y las Fórmulas
• Discusión y Comentario
• Sobre la Relación entre Recuperos y Pérdidas del Balon
• Fórmulas & Ratios Particulares
• Sistema eBA: Registro de las Estadísticas del Baloncesto
• Del Manual del Estadígrafo
• Desde otro Punto de Vista
• Libro de Casos de Estudio & Webinario de Análisis Creativo
• Fuentes Relacionadas
• Tarea y Ejercitación
• Glosario de la Terminología de la Estadística


Este 11mo. Capítulo del Sistema eBA será desarrollado en este nuevo Foro con ACCESO TOTAL Y LIBRE. Los contenidos serán permanentemente actualizados por los participantes de la Clínica Anual eBA, la cual ya ha concluido.

Este Foro es de Solo-Lectura con un Objetivo de Estudio: debates y discusiones son desarrolladas en el siguiente foro "Basketball Statistics & Features • Estadísticas & Hechos del Baloncesto "


Mensaje Actualizado y Aumentado el 19 de Septiembre, 2017



keywords= basketbal,baloncesto,basketball statistics,estadísticas del baloncesto,basketball analysis,eBA System,Sistema eBA

 9 
 on: Sep 18, 2017, 04:51:39 PM 
Started by admirador - Last post by BGA J.J. Diaz
Basketball 3 Seconds Rule Cases Analysis & Tracking
Regla de los 3 Segundos en Baloncesto: Análisis y Registro


• Stats Tracking: 3 Seconds Counting Goes On
• Registros de las Estadísticas: Conteo de los 3 Segundos Sigue Corriendo


( para Traducción al Español= Ver a Continuación )

Resuming the question about the 3 seconds during the dribble:
Yes: 3 seconds count continue during an interrupted dribble.
Here is the correction from the Case Book, page 66-67:
Rule 9.7.2: Delete the last three words "or interrupted dribble" in the second to the last sentence of the ruling.

This topic is answered at Basketball Rules & Stats Discussions - 3 Seconds Rule

Message Updated and Enhanced on September 18th, 2017

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NBA Defensive 3 Seconds. In this image from Inside Hoops presented by eBA Stats Basketball Statistics Analysis .


Resumiendo la pregunta sobre los 3 Segundos durante el drible:
Si: el conteo de los 3 segundos continúa durante un drible interrumpido.
Aquí está la corrección del Libros de Casos, página 66-67:
Regla 9.7.2: Borrar las últimas tres palabras "o drible interrumpido" en la segunda hasta la última frase de la regla.

Este tópico está contestado en Debates de las Reglas & Estadísticas del Básquetbol - Regla de los 3 Segundos

Mensaje Actualizado y Aumentado el 18 de Septiembre, 2017


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 10 
 on: Sep 18, 2017, 04:47:32 PM 
Started by pre_ferido - Last post by HBC JLTrezeguet
Basketball Time Out Analysis Situations Statistics
Estadísticas & Análisis de Situaciones de Tiempo Muerto en Baloncesto


• Time Out with Clear  Ball Control
• Tiempo Muerto con Claro Control del Balón


( para Traducción al Español= Ver a Continuación )

To give a time out call the player's team must be clearly in control of the ball, and according your question and the situation: if the player cannot reach the ball, he is not in control, no time out and the game goes on with a turnover for A-B's team and a throw-in for the opponent team.

This case, and the register rules, is discussed in the eBA Annual Basketball Statistics Clinic and is a study case of the exposition "Per-minute Statistics" at the Basketball Statistics Course eBA.

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Para conceder un Tiempo Muerto el equipo del jugador que lo pide debe estar claramente en control del balón, y de acuerdo a su pregunta y la situación: si el jugador no puede llegar al balón, el no está en control del mismo, no se concede Tiempo Muerto y el juego continúa con una pérdida de posesión para el equipo de A y B y un throw-in a favor del equipo oponente.

Este caso, y las reglas del estadígrafo, son discutidos en el Clínica Anual de Estadísticas del Baloncesto eBA y es un caso de estudio en la exposición "Estadísticas Per-minuto" en el Curso eBA de Estadísticas del Baloncesto.


Mensaje Actualizado y Aumentado el 18 de Septiembre, 2017

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