buli

Collects and analyzes

• game results
• attendance, Referee, Place and Date of Game
• lineups including subsitutes
• bookings
• goals

of German professional football matches.

Source

Website German football magazine kicker.de

Scope

• Bundesliga (1st Division): Since 1995
• 2.Bundesliga (2nd Division): Since 1997
• 3.Liga (3rd Division): Since 2008

The function main() runs through everything. The parameters (e.~g. what is a bad streak/a tough schedule?) are often arbitrary and can be easily adjusted.

1. Crawl infos crawler(). TThere is always one file for the matchday and one for each individual match.
2. Produce various stuff on the game result level (game_analysis()).
   1. Create a boxplot for each matchday showing the historical distribution of points across the league.
   2. get_prob_abstieg() shows for a given team, having given points at after a given matchday, how other teams with these points have fared historically at the end of the season.
   3. schedule() tries to investigate whether a tough schedule on the first or last matchdays makes a difference.
   4. get_streaks() shows all streaks of five games with no goals scored.
   5. ewigetabelle() calculates the cumulated table across all seasons. Not 100% accurate due to points subtracted from the FA.
   6. aufbaugegner() lists those teams who have lost frequently against teams in bad shape (defined as having 3 points from the last 5 games prior to their win).
3. goal_analysis() counts the top scorers.
4. clean_booking_data produces tables with all cards. No analysis here yet.

A special function create_game_results_since_1963() collects Bundesliga game results (i.e. without player outcomes) since its 1963 inception and calls game_analysis() with these data.