Created
March 22, 2023 13:19
-
-
Save roh26it/90fcceb7356e8c732c92c928e6865028 to your computer and use it in GitHub Desktop.
A demo to showcase Elo ratings for a multiplayer use case
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| %matplotlib inline | |
| import numpy as np | |
| import matplotlib.pyplot as plt | |
| from multielo import MultiElo | |
| # Initialize the Elo ratings and history | |
| recipes = ['Recipe 1', 'Recipe 2', 'Recipe 3'] | |
| elo_ratings = np.array([1500, 1500, 1500]) | |
| elo_history = [np.array([1500]), np.array([1500]), np.array([1500])] | |
| elo = MultiElo() | |
| while True: | |
| print("Please rank the recipes from 1 (best) to 3 (worst).") | |
| ranks = [int(input(f"Rank for {recipe}: ")) for recipe in recipes] | |
| # Update ratings based on user input | |
| new_ratings = elo.get_new_ratings(elo_ratings, ranks) | |
| # Update the rating history | |
| for idx, rating in enumerate(new_ratings): | |
| elo_history[idx] = np.append(elo_history[idx], rating) | |
| elo_ratings = new_ratings | |
| print("Current Elo Ratings:", elo_ratings) | |
| plot_choice = input("Would you like to plot the Elo rating changes? (yes/no): ") | |
| if plot_choice.lower() == 'yes': | |
| for idx, recipe in enumerate(recipes): | |
| plt.plot(elo_history[idx], label=recipe) | |
| plt.xlabel("Number of Iterations") | |
| plt.ylabel("Elo Rating") | |
| plt.title("Elo Rating Changes") | |
| plt.legend() | |
| plt.show() | |
| continue_choice = input("Do you want to continue ranking recipes? (yes/no): ") | |
| if continue_choice.lower() == 'no': | |
| break |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment