# Data Dictionary - ESPN QBR

field | data_type | description
--- | --- | ---
season | numeric | 4 digit number indicating to which season(s) the specified timeframe belongs to.
season_type | character | REG or POST indicating if the game belongs to regular or post season.
game_week | numeric | Season week
team_abb | character | Abbreviation of Team of Player
player_id | numeric | ESPN Player ID
name_short | character | Short name of player (First Initial, Last Name)
rank | numeric | QBR Rank in specified timeframe
qbr_total | numeric | Adjusted Total QBR, which adjusts quarterback play on 0-100 scale adjusted for strength of opposing defenses played.
pts_added | numeric | Number of points contributed by a quarterback above the average level QB
qb_plays | numeric | Total dropbacks for the quarterback (excludes handoffs)
epa_total | numeric | Total Expected Points Added by quarterback, calculated by ESPN Win Probability Model
pass | numeric | Expected Points Added on pass plays
run | numeric | Expected Points Added on run plays
exp_sack | numeric | Expected EPA Added on Sacks
penalty | numeric | Expected Points Added on penalties
qbr_raw | numeric | Raw total QBR, does not adjust for strength of opposing defenses played.
sack | numeric | Expected Points Added on sacks
name_first | character | First Name of Quarterback
name_last | character | Last Name of Quarterback
name_display | character | Full Name of Quarterback
headshot_href | character | Link to ESPN Headshot of Player
team | character | Full Team Name of Player
qualified | character | True/False indicator of whether or not player meets minimum play requirement