GameDayPlays: An object containing play-by-play data
In beanumber/openWAR: Machinery for Analyzing Baseball Data and Computing WAR

Description Usage Arguments Format Examples

A data set that contains play-by-play information returned by getData

1	GameDayPlays(x)

x

an object

A GameDayPlays object. This is a tbl_df and data.frame with 62 columns. The columns are as follows:

pitcherId: The MLBAM id of the pitcher
batterId: The MLBAM id of the batter
field_teamId: The MLBAM id of the fielding team
ab_num: The chronological number of the plate appearance
inning: The inning number
half: Indicates which half of the inning (i.e. top or bottom)
balls: The number of balls at the end of the plate appearance
strikes: The number of strikes at the end of the plate appearance
endOuts: The number of outs at the end of the plate appearance
event: The result of the plate appearance (e.g. Single, Walk, Grounded Into DP)
actionID: NA
description: A description of the result of the plate appearance
stand: The handedness of the batter during the plate appearance
throws: The handedness of the pitcher
runnerMovement: A coded description of movement of all base runners during the plate appearance
x: For balls in play, the MLBAM x-coordinate of where the ball is first touched. Note that 0 is the far left hand edge of the stadium image file. (NA for balls not in play)
y: For balls in play, the MLBAM y-coordinate of where the ball is first touched. Note that 0 is the top of the stadium image file. (NA for balls not in play)
game_type: Game type
home_team: The MLBAM home team abbreviation
home_teamId: The MLBAM id of the home team
home_lg: The league of the home team (i.e. AL or NL)
away_team: The MLBAM away team abbreviation
away_teamId: The MLBAM id of the away team
away_lg: The league of the away team (i.e. AL or NL)
venueId: The MLBAM park id
stadium: The name of the stadium where the game is being played
timestamp: The timestamp associated withe the plate appearance
playerId.C: The MLBAM of the catcher
playerId.1B: The MLBAM of the first baseman
playerId.2B: The MLBAM of the second baseman
playerId.3B: The MLBAM of the third baseman
playerId.SS: The MLBAM of the shortstop
playerId.LF: The MLBAM of the left fielder
playerId.CF: The MLBAM of the center fielder
playerId.RF: The MLBAM of the right fielder
batterPos: The defensive postion of the current batter
batterName: The name of the current batter
pitcherName: The name of the current pitcher
runsOnPlay: The number of runs that were scored as a result of the plate appearance
startOuts: The number of outs at the beginning of the plate appearnace
runsInInning: The total number of runs scored in the half of an inning
runsITD: The total number of runs that have been scored in the half of an inning prior to the current plate appearance
runsFuture: The total number of runs that are scored in the half of an inning that were scored after the current plate appearance
startCode: Binary representation of the base runner configuration at the start of the plate appearance
endCode: Binary representation of the base runner configuration at the end of the plate appearance
fielderId: For a ball in play, the MLBAM id of the fielder who first touches the baseball. (NA for balls not in play)
endCode: Binary representation of the base runner configuration at the end of the plate appearance
gameId: The MLBAM id for this game
isPA: Boolean indicating if the plate appearance was a plate appearance
isAB: Boolean indicating if the plate appearance was an at bat
isHit: Boolean indicating if the plate appearance resulted in a hit
isBIP: Boolean indicating if the plate appearance resulted in a ball in play
our.x: Horizontal coordinate, in feet, of where the ball landed. Home plate has our.x of 0.
out.y: Vertical coordinate, in feet, of where the ball landed. Home plate has our.y of 0.
r: radial distance, in feet, of the location of the batted ball. Home plate has r of 0.
theta: radial angle, in radians, of the location of the batted ball. Home plate has theta of 0.