Owner

mggg

6 indexed repositories · View on GitHub

GerryChain
Use MCMC to analyze districting plans and gerrymanders

Python · 155 stars
VoteKit
A Swiss Army Knife for computational social choice research

Python · 23 stars
gerrytools
Tools for evaluating districting plans.

Python · 6 stars
capy
[WIP] Novel metrics to measure geospatial segregation

Jupyter Notebook · 2 stars
scot-elex

Python · 0 stars
Alternative-Election-Analysis-Template

Python · 0 stars

Beginner friendly Everything

Open All

Validate the passed max_ranking_length is equal to df's number of ranking columns Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

mggg/VoteKit#397 · 1 comment · Opened Sep 16, 2026
Standardize default values for cleaning function flags Open

refactor

Difficulty 5/5 Over a week Newbie friendliness 30/100

mggg/VoteKit#396 · Opened Sep 11, 2026
Ranking columns added as property of profile Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

mggg/VoteKit#395 · Opened Sep 9, 2026
Constants module Open

good first issue refactor

Difficulty 3/5 1-2 days Newbie friendliness 70/100

mggg/VoteKit#394 · Opened Sep 9, 2026
Add numeric view of internal df Open

upgrades

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mggg/VoteKit#393 · Opened Sep 9, 2026
Redesign cleaned profile index tracking Open

API improvement

Difficulty 5/5 Over a week Newbie friendliness 30/100

mggg/VoteKit#392 · Opened Sep 9, 2026
Remove "white_plus_black" hard coding in metrics Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mggg/capy#37 · Opened Aug 31, 2026
License file missing Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mggg/scot-elex#3 · Opened Aug 20, 2026
Save Census geopackage files split by state, then adjust overlaps script Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mggg/capy#35 · 1 comment · Opened Aug 18, 2026
Create publication figures and tables Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mggg/capy#33 · 8 comments · Opened Aug 17, 2026
Geography Naming Mismatch in Experiments/Diffusion Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

mggg/capy#32 · Opened Aug 14, 2026
RankedPairs: recorded tiebreak resolutions don't match the ranking actually used Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

mggg/VoteKit#388 · Opened Aug 13, 2026
Diffusion calculations Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mggg/capy#31 · 7 comments · Opened Aug 11, 2026
Epsilon Figures Open

mggg/capy#25 · 1 assignee · Opened Aug 11, 2026
Reproduce analysis of top 100 metro areas Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mggg/capy#21 · 1 comment · Opened Aug 11, 2026
Setting things to int problem for reproduction code Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mggg/capy#17 · 1 comment · Opened Aug 11, 2026
Utility method for subtracting profiles Open

new feature

Difficulty 3/5 1-2 days Newbie friendliness 65/100

mggg/VoteKit#384 · Opened Aug 10, 2026
Allow RecordedChain to deal with non-integer assignment Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mggg/gerrytools#76 · Opened Aug 6, 2026
Update RecordedChain to make graph optional if not reordering Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

mggg/gerrytools#75 · Opened Aug 6, 2026
Add BeeSwarm Plots Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mggg/gerrytools#74 · Opened Aug 6, 2026
Remove ranked ballots containing specified candidates Open

good first issue new feature

mggg/VoteKit#381 · 1 assignee · Opened Aug 6, 2026
Truncate ranked ballots at sentinel candidates Open

good first issue new feature

Difficulty 3/5 1-2 days Newbie friendliness 68/100

mggg/VoteKit#380 · Opened Aug 6, 2026
PreferenceProfile accepts df with tilde character in ties or before valid ranking slots Open

priority

mggg/VoteKit#374 · 1 assignee · Opened Jul 29, 2026
Dynamic Voting Rule and Profile Class usage Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mggg/Alternative-Election-Analysis-Template#7 · Opened Jul 23, 2026
Cross Run Summaries Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mggg/Alternative-Election-Analysis-Template#6 · Opened Jul 23, 2026
Focal Group Config Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mggg/Alternative-Election-Analysis-Template#5 · Opened Jul 23, 2026
Profile Compression and Batching Open

mggg/Alternative-Election-Analysis-Template#4 · Opened Jul 23, 2026
District Generator - Running for one district vs many Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mggg/Alternative-Election-Analysis-Template#3 · Opened Jul 23, 2026
Allowing multiple winners in a single round of a multi-winner election Open

mggg/Alternative-Election-Analysis-Template#2 · Opened Jul 23, 2026
Add Data Generator to the Pipeline Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

mggg/Alternative-Election-Analysis-Template#1 · Opened Jul 23, 2026
Sankey Diagrams for STV Elections Open

new feature

mggg/VoteKit#372 · 1 comment · Opened Jun 6, 2026
Expose Rounding Parameters for STV Suite Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

mggg/VoteKit#365 · Opened May 19, 2026
Add Notions of "Matematically Impossible" Winners to STV Suite Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

mggg/VoteKit#363 · Opened May 19, 2026
Add in some ways of dealing with stuck optimizers Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

mggg/GerryChain#442 · Opened Apr 29, 2026
CVR loader for data at preflib.org Open

new feature

Difficulty 4/5 3-5 days Newbie friendliness 30/100

mggg/VoteKit#345 · Opened Mar 10, 2026
CVR loader for data available at pabulib.org Open

new feature

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mggg/VoteKit#344 · Opened Mar 10, 2026
Create ApprovalBallot and ApprovalProfile Open

new feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mggg/VoteKit#343 · Opened Mar 10, 2026
Adding Quadratic Voting an Election Type Open

feature request good first issue

mggg/VoteKit#341 · 5 comments · 1 assignee · Opened Mar 2, 2026
By ballot profile perturbation Open

mggg/VoteKit#340 · 1 comment · 1 assignee · Opened Mar 2, 2026
Better Reporting for STV elections Open

good first issue new feature upgrades

mggg/VoteKit#336 · 1 comment · Opened Feb 27, 2026
Better ElectionStates Open

good first issue upgrades

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mggg/VoteKit#335 · Opened Feb 27, 2026
`load_scottish` throws a "Dataframe is highly framented" warning for large profiles Open

good first issue upgrades

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mggg/VoteKit#323 · Opened Jan 12, 2026
Make `remove_and_condense_rank_profile` reduce the `max_ranking_length` of a profile. Open

good first issue upgrades

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

mggg/VoteKit#322 · 2 comments · Opened Jan 12, 2026
Add a notebook linking gerrychain to votekit Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mggg/VoteKit#321 · Opened Jan 6, 2026
Truncated candidate name Open

mggg/scot-elex#1 · 1 comment · 1 assignee · Opened Dec 15, 2025
Meek STV Open

new feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

mggg/VoteKit#317 · 1 comment · Opened Nov 14, 2025
slate-Bradley-Terry conversion of cohesion to FPV Open

new feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

mggg/VoteKit#315 · Opened Nov 7, 2025
Create a more general historical sampler Open

new feature upgrades

Difficulty 5/5 Over a week Newbie friendliness 25/100

mggg/VoteKit#314 · Opened Oct 21, 2025
Allow `tiebreak_set` to break ties without a total ordering of candidates Open

refactor

Difficulty 5/5 Over a week Newbie friendliness 35/100

mggg/VoteKit#296 · Opened Sep 23, 2025
Add "fast" winner set election functions Open

new feature refactor upgrades

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mggg/VoteKit#293 · 1 comment · Opened Sep 12, 2025

mggg

Get new issues in your inbox