Collaboration network: static graph, core stats, and growth animation#3
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Collaboration network: static graph, core stats, and growth animation#3dima-yanter wants to merge 4 commits intomainfrom
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Fetches contributor stats from any GitHub repo via the API and runs the same nonlinear maintenance model fitting as nonlinear-performance.ipynb. Handles 202 retry, rate limit errors, and missing/empty repos. https://claude.ai/code/session_01VAzMQrsv5yZXFmC4BxGrQ2
Builds a contributor collaboration network from GitHub PR and commit history, and a code archaeology heatmap showing how deep into history a contributor must reach to understand code areas they arrived at after others had left. https://claude.ai/code/session_01VAzMQrsv5yZXFmC4BxGrQ2
Tests the hypothesis that the core collaboration network is very small: fetches top 1000 GitHub repos by stars, computes 80/20 core size, Gini coefficient, temporal core, and top-contributor dominance per repo, then visualises aggregate distributions across the dataset. https://claude.ai/code/session_01VAzMQrsv5yZXFmC4BxGrQ2
dima-yanter
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Renders GitHub PR collaboration history as a growing-network movie: dark background, plasma-coloured nodes (purple=early, orange=late), glow flash on new arrivals. Outputs a GIF/MP4 via matplotlib and an interactive Plotly animation with play button + time scrubber. https://claude.ai/code/session_01VAzMQrsv5yZXFmC4BxGrQ2
dima-yanter
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Summary
Three notebooks building on the nonlinear performance model theme:
git-collaboration-network.ipynbStatic collaboration graph for any repo — PR edges (orange), temporal file-overlap edges (green), both (purple) — plus Code Archaeology heatmap.
github-core-network-stats.ipynbTests the JIRA hypothesis ("core is small") across the top 1000 GitHub repos: 80/20 core size, Gini coefficient, top-contributor dominance, CDF, and language breakdown.
collaboration-network-growth.ipynb(new)Renders the full history of a project as a movie — the collaboration network grows from a single dot outward, one time period at a time:
matplotlib.animation(dark background, plasma-coloured nodes, glow flash on new arrivals)plasma); node size = cumulative PR count; edge alpha grows with ageREPOfacebook/reactowner/repoTIME_RESOLUTION'Q''M'monthly,'Q'quarterly,'Y'yearlyMAX_PRS300OUTPUT_FILEcollaboration_growth.gif.gif(Pillow) or.mp4(ffmpeg)FPS4Test plan
collaboration-network-growth.ipynbon a small repo (e.g."pallets/flask") — GIF and Plotly figure should both renderTIME_RESOLUTION = 'M'and confirm more frames / finer granularityOUTPUT_FILE = 'growth.mp4'with ffmpeg installed and confirm MP4 outputgithub-core-network-stats.ipynbwithMAX_REPOS = 50for a quick smoke testhttps://claude.ai/code/session_01VAzMQrsv5yZXFmC4BxGrQ2