voting-methods

Command line application & PHP library providing a powerful, simple and complete election manager. Native support for many voting methods like Schulze / Ranked Pairs / Kemeny-Young / Minimax / Borda / Instant-runoff / FTPT / Copeland / STV... Modular architecture can be easily extended. Able to support billions of votes on a low-resource environment.

Python implementations of approval-based committee (multi-winner) voting rules

JS library for ranked voting systems

Python implementation of the STAR Voting system

Proportional Representation Voting Methods, Data, and Auditing

The _Aggregated Ballot Information Format_ provides a concise, aggregated, text-based document to describe the ballots cast in range-based or ranked elections, as well as approval-based and choose-one balloting systems.

Multiple Non-Transferable Vote visualization

Combination of unsupervised clustering and supervised classification to detect shill bidding on eBay.

Rock The Poll: A SXSW Hackathon Entry 2018

Python code for the experiments in "Utilitarian Welfare and Representation Guarantees of Approval-Based Multiwinner Rules" by Martin Lackner and Piotr Skowron

Analysis of multi-pass IRV elections, a problematic multi-winner form of RCV

A multi-winner Proportional Representation voting method for score ballots ala STAR-voting

Voting and Task Scheduling.

IPython notebook for Risk-Limiting Audit of Proportional Representation via Highest Averages outcomes of 2014 Danish portion of the EU Parliamentary elections

A single-instance, game-styled surveying tool for multiple voting techniques written in Python and JavaScript.

The problem of packing in containers, Decision-making by voting methods