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README.md
nbaallelo.csv

README.md

Historical NBA Elo

This directory contains the data behind the Complete History Of The NBA interactive. Data updated periodically. Game information is from Basketball-Reference.com.

In the data file nbaallelo.csv are the following variables:

Header Definition
gameorder Play order of game in NBA history
game_id Unique ID for each game
lg_id Which league the game was played in
_iscopy Each row of data is tied to a single team for a single game, so _iscopy flags if this game_id has already occured for the opposing team in the same matchup
year_id Season id, named based on year in which the season ended
date_game Game date
is_playoffs Flag for playoff games
team_id Three letter code for team name, from Basketball Reference
fran_id Franchise id. Multiple team_ids can fall under the same fran_id due to name changes or moves. Interactive is grouped by fran_id.
pts Points scored by team
elo_i Team elo entering the game
elo_n Team elo following the game
win_equiv Equivalent number of wins in a 82-game season for a team of elo_n quality
opp_id Team id of opponent
opp_fran Franchise id of opponent
opp_pts Points scored by opponent
opp_elo_i Opponent elo entering the game
opp_elo_n Opponent elo following the game
game_location Home (H), away (A), or neutral (N)
game_result Win or loss for team in the team_id column
forecast Elo-based chances of winning for the team in the team_id column, based on elo ratings and game location
notes Additional information