This Streamlit app is designed to help users calculate election results using two different voting systems: Borda Count. It also includes functionality to check for the presence of a Condorcet loser among the candidates.
- Borda Count: Calculates scores based on the position of each candidate in the voter rankings.
- Condorcet Loser Checker: Determines if there is a candidate who loses to every other candidate in head-to-head comparisons.
To run this app locally, you will need Python and Streamlit installed on your computer.
- Install Python: If you don't have Python installed, download and install it from python.org.
- Install Streamlit: Run the following command in your command line:
pip install streamlit pip install pandas - Download the App: Clone or download this app from the repository.
To use the app:
-
Start the App: Navigate to the app's directory in your command line and run:
streamlit run main.py -
Input Data:
- Enter the number of different voting profiles you want to consider.
- For each profile, enter the candidate ranking (e.g., 'abc') and the number of votes it received.
-
Calculate Results: After entering all the data, press the 'Calculate Results' button to view the election results and check for a Condorcet loser.
- Number of Profiles: 3
- Voting Method: Borda
- Profiles:
- Profile 1: Ranking 'abc', Votes 10
- Profile 2: Ranking 'bca', Votes 5
- Profile 3: Ranking 'cab', Votes 8
- Borda Scores:
- Candidate A: 34 points
- Candidate B: 29 points
- Candidate C: 29 points
- Condorcet Loser Check: There is no Condorcet loser.
Contributions to the development and enhancement of this Streamlit app are welcome. Please feel free to fork the repository, make changes, and submit pull requests.