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Advanced Stats Guide
This guide explains the meaning and calculation of NBA statistics for both players and teams. These metrics provide deeper insights into performance beyond traditional box score statistics.
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Player Basic Statistics
| Stat Name | Abbreviation | Description | Formula |
|---|---|---|---|
| Games Played | GP | The total number of games in which a player has participated during the season. This includes games where the player started or came off the bench. | - |
| Wins | W | The number of games won by the player's team when the player participated. | - |
| Losses | L | The number of games lost by the player's team when the player participated. | - |
| Win Percentage | W% | The percentage of games won when the player participated. | W% = (W / GP) × 100 |
| Minutes | MIN | The total number of minutes a player has played during the season. Typically displayed as total minutes or minutes per game. | - |
| Points | PTS | Total points scored by the player through field goals and free throws. | - |
| Rebounds | REB | Total rebounds (offensive + defensive) grabbed by the player. | - |
| Assists | AST | Total assists made by the player (passes that directly lead to a made basket). | - |
| Steals | STL | Total steals made by the player (taking the ball away from an opponent). | - |
| Blocks | BLK | Total blocks made by the player (deflecting an opponent's shot attempt). | - |
| Field Goal Percentage | FG% | The percentage of field goal attempts that result in made baskets. | FG% = FGM / FGA |
| 3-Point Percentage | 3P% | The percentage of 3-point field goal attempts that result in made baskets. | 3P% = 3PM / 3PA |
| Free Throw Percentage | FT% | The percentage of free throw attempts that result in made baskets. | FT% = FTM / FTA |
| Turnovers | TOV | Total turnovers committed by the player (loss of possession). | - |
| Plus/Minus | +/- | The point differential when the player is on the court (team points scored minus opponent points scored). | - |
Player Advanced Statistics
| Stat Name | Abbreviation | Description | Formula |
|---|---|---|---|
| Offensive Rating | Off Rtg | An estimate of points produced (offensive points scored) per 100 possessions. Higher values indicate better offensive performance. This metric measures how efficiently a player scores points when they have the ball. | Off Rtg = (Points Produced / Possessions) × 100 |
| Defensive Rating | Def Rtg | An estimate of points allowed per 100 possessions. Lower values indicate better defensive performance. This metric measures how effectively a player prevents opponents from scoring. | Def Rtg = (Points Allowed / Possessions) × 100 |
| Net Rating | Net Rtg | The difference between offensive rating and defensive rating. This is one of the most important advanced metrics as it shows a player's overall impact on the game. Positive values indicate the player's team scores more points than they allow when the player is on the court. | Net Rtg = Off Rtg - Def Rtg |
| Expected Offensive Rating | e_off_rating | An estimated offensive rating based on various factors and historical data. This provides a baseline expectation for offensive performance. | - |
| Expected Defensive Rating | e_def_rating | An estimated defensive rating based on various factors and historical data. This provides a baseline expectation for defensive performance. | - |
| Expected Net Rating | e_net_rating | The difference between expected offensive rating and expected defensive rating. | - |
| Assist Percentage | AST% | An estimate of the percentage of teammate field goals a player assisted while on the floor. This measures a player's playmaking ability and how often they create scoring opportunities for teammates. | AST% = (Assists / (Minutes Played / (Team Minutes / 5) × Team Field Goals Made - Field Goals Made)) × 100 |
| Rebound Percentage | REB% | An estimate of the percentage of available rebounds a player grabbed while on the floor. This includes both offensive and defensive rebounds. | REB% = (Rebounds × (Team Minutes / 5)) / (Minutes Played × (Team Rebounds + Opponent Rebounds)) × 100 |
| Offensive Rebound Percentage | OREB% | An estimate of the percentage of available offensive rebounds a player grabbed while on the floor. | - |
| Defensive Rebound Percentage | DREB% | An estimate of the percentage of available defensive rebounds a player grabbed while on the floor. | - |
| Usage Percentage | USG% | An estimate of the percentage of team plays used by a player while on the floor. This measures how often a player ends a possession with a field goal attempt, free throw attempt, or turnover. Higher values indicate the player is more involved in the offense. | USG% = ((FGA + 0.44 × FTA + TOV) × (Team Minutes / 5)) / (Minutes Played × (Team FGA + 0.44 × Team FTA + Team TOV)) × 100 |
| True Shooting Percentage | TS% | A measure of shooting efficiency that takes into account field goals, 3-point field goals, and free throws. This is considered a more accurate measure of shooting efficiency than field goal percentage alone. | TS% = Points / (2 × (FGA + 0.44 × FTA)) |
| Effective Field Goal Percentage | eFG% | Adjusts field goal percentage to account for the fact that 3-point field goals are worth more than 2-point field goals. | eFG% = (FGM + 0.5 × 3PM) / FGA |
| Pace | PACE | An estimate of possessions per 48 minutes. This measures the tempo of play when a player is on the court. Higher pace values indicate a faster, more up-tempo style of play with more possessions per game. | Pace = (Possessions × 48) / Minutes Played |
| Expected Pace | e_pace | An estimated pace based on various factors and historical data. | - |
| Pace per 40 Minutes | pace_per40 | An estimate of possessions per 40 minutes, normalized for comparison across different playing times. | - |
| Player Impact Estimate | PIE | A metric that measures a player's overall statistical contribution against the total statistics in games they play in. PIE shows what percentage of game events (positive and negative) a player was responsible for. Higher values indicate greater impact on the game. | PIE = (Player's Positive Stats - Player's Negative Stats) / (Team's Positive Stats - Team's Negative Stats + Opponent's Positive Stats - Opponent's Negative Stats) |
| Assist to Turnover Ratio | AST/TO | The ratio of assists to turnovers. This measures a player's ability to create scoring opportunities while limiting mistakes. Higher values indicate better ball control and playmaking. | AST/TO = Assists / Turnovers |
| Assist Ratio | AST Ratio | The percentage of a player's possessions that end in an assist. This measures playmaking frequency. | - |
| Team Turnover Percentage | TM TOV% | An estimate of turnovers per 100 plays by the team while the player is on the floor. | - |
| Expected Turnover Percentage | e_TOV% | An estimated turnover percentage based on various factors. | - |
| Expected Usage Percentage | e_USG% | An estimated usage percentage based on various factors and historical data. | - |
Team Basic Statistics
| Stat Name | Abbreviation | Description | Formula |
|---|---|---|---|
| Games Played | GP | The total number of games played by the team during the season. | - |
| Wins | W | The number of games won by the team. | - |
| Losses | L | The number of games lost by the team. | - |
| Win Percentage | W% | The percentage of games won by the team. | W% = (W / GP) × 100 |
| Minutes | MIN | Total minutes played by all team players combined. | - |
| Points | PTS | Total points scored by the team through field goals and free throws. | - |
| Rebounds | REB | Total rebounds (offensive + defensive) grabbed by the team. | - |
| Assists | AST | Total assists made by the team (passes that directly lead to a made basket). | - |
| Steals | STL | Total steals made by the team (taking the ball away from opponents). | - |
| Blocks | BLK | Total blocks made by the team (deflecting opponent shot attempts). | - |
| Field Goal Percentage | FG% | The percentage of field goal attempts that result in made baskets for the team. | FG% = FGM / FGA |
| 3-Point Percentage | 3P% | The percentage of 3-point field goal attempts that result in made baskets for the team. | 3P% = 3PM / 3PA |
| Free Throw Percentage | FT% | The percentage of free throw attempts that result in made baskets for the team. | FT% = FTM / FTA |
| Turnovers | TOV | Total turnovers committed by the team (loss of possession). | - |
| Plus/Minus | +/- | The point differential for the team (team points scored minus opponent points scored). | - |
Team Advanced Statistics
| Stat Name | Abbreviation | Description | Formula |
|---|---|---|---|
| Offensive Rating | Off Rtg | An estimate of points produced (offensive points scored) per 100 possessions. Higher values indicate better offensive performance. This metric measures how efficiently a team scores points when they have the ball. | Off Rtg = (Points Produced / Possessions) × 100 |
| Defensive Rating | Def Rtg | An estimate of points allowed per 100 possessions. Lower values indicate better defensive performance. This metric measures how effectively a team prevents opponents from scoring. | Def Rtg = (Points Allowed / Possessions) × 100 |
| Net Rating | Net Rtg | The difference between offensive rating and defensive rating. This is one of the most important advanced metrics as it shows a team's overall impact on the game. Positive values indicate the team scores more points than they allow. | Net Rtg = Off Rtg - Def Rtg |
| Expected Offensive Rating | e_off_rating | An estimated offensive rating based on various factors and historical data. This provides a baseline expectation for offensive performance. | - |
| Expected Defensive Rating | e_def_rating | An estimated defensive rating based on various factors and historical data. This provides a baseline expectation for defensive performance. | - |
| Expected Net Rating | e_net_rating | The difference between expected offensive rating and expected defensive rating. | - |
| Assist Percentage | AST% | An estimate of the percentage of team field goals that were assisted. This measures a team's ball movement and playmaking ability. | AST% = (Assists / Team Field Goals Made) × 100 |
| Rebound Percentage | REB% | An estimate of the percentage of available rebounds grabbed by the team. This includes both offensive and defensive rebounds. | REB% = (Team Rebounds / (Team Rebounds + Opponent Rebounds)) × 100 |
| Offensive Rebound Percentage | OREB% | An estimate of the percentage of available offensive rebounds grabbed by the team. | OREB% = (Team Offensive Rebounds / (Team Offensive Rebounds + Opponent Defensive Rebounds)) × 100 |
| Defensive Rebound Percentage | DREB% | An estimate of the percentage of available defensive rebounds grabbed by the team. | DREB% = (Team Defensive Rebounds / (Team Defensive Rebounds + Opponent Offensive Rebounds)) × 100 |
| Team Turnover Percentage | TM TOV% | An estimate of turnovers per 100 plays by the team. Lower values indicate better ball control. | TM TOV% = (Turnovers / Possessions) × 100 |
| True Shooting Percentage | TS% | A measure of shooting efficiency that takes into account field goals, 3-point field goals, and free throws. This is considered a more accurate measure of shooting efficiency than field goal percentage alone. | TS% = Points / (2 × (FGA + 0.44 × FTA)) |
| Effective Field Goal Percentage | eFG% | Adjusts field goal percentage to account for the fact that 3-point field goals are worth more than 2-point field goals. | eFG% = (FGM + 0.5 × 3PM) / FGA |
| Pace | PACE | An estimate of possessions per 48 minutes. This measures the tempo of play. Higher pace values indicate a faster, more up-tempo style of play with more possessions per game. | Pace = (Possessions × 48) / Minutes Played |
| Expected Pace | e_pace | An estimated pace based on various factors and historical data. | - |
| Pace per 40 Minutes | pace_per40 | An estimate of possessions per 40 minutes, normalized for comparison. | - |
| Player Impact Estimate | PIE | A metric that measures a team's overall statistical contribution. PIE shows what percentage of game events (positive and negative) the team was responsible for. Higher values indicate greater impact on the game. | PIE = (Team's Positive Stats - Team's Negative Stats) / (Team's Positive Stats - Team's Negative Stats + Opponent's Positive Stats - Opponent's Negative Stats) |
| Assist to Turnover Ratio | AST/TO | The ratio of assists to turnovers. This measures a team's ability to create scoring opportunities while limiting mistakes. Higher values indicate better ball control and playmaking. | AST/TO = Assists / Turnovers |
| Assist Ratio | AST Ratio | The percentage of team possessions that end in an assist. This measures playmaking frequency. | - |
| Possessions | POSS | Total number of possessions (offensive opportunities) for the team during the season. | - |
Note on Rankings
Many advanced stats also include ranking columns (e.g., Off Rtg Rank, Net Rtg Rank). These rankings show where a player stands relative to other players in the league for that particular statistic. Lower rank numbers (1, 2, 3...) indicate better performance, while higher numbers indicate lower performance.