Pi Ratings#

[1]:

import penaltyblog as pb

[2]:

pi = pb.ratings.PiRatingSystem()

New Teams Default to a Rating of Zero#

[3]:

pi.get_team_rating("Team A"), pi.get_team_rating("Team B")

[3]:

(0.0, 0.0)

Predict Match Results#

[4]:

pi.calculate_match_probabilities("Team A", "Team B")

[4]:

{'home_win': np.float64(0.3085375387259869),
 'draw': np.float64(0.38292492254802624),
 'away_win': np.float64(0.3085375387259869)}

Update Ratings#

[5]:

pi.update_ratings("Team A", "Team B", 3)

Get New Ratings#

[6]:

pi.get_team_rating("Team A")

[6]:

0.11538461538461539