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I'm Sam. I'm a research software engineer and data visualization consultant from Austria. I develop tools and libraries that allow users to show their data in a new light and help them to discover new insights.

I create and maintain specialized visualization libraries such as LineUp-lite, LineUp.js or UpSet.js. In addition, I contribute and create plugins for web visualization frameworks such as chart.js or cytoscape.js.


  1. 😠 UpSet.js - a set visualization library for rendering UpSet Plots (a JavaScript re-implementation of UpSet(R) by Lex et al), Euler Diagrams, Venn Diagrams, and Karnaugh Maps

    TypeScript 74 6

  2. lineup-lite Public

    LineUp-lite is an extension of the excellent react-table library for rendering beautiful interactive table visualizations based on the LineUp ranking visualization technique.

    TypeScript 13 2

  3. delete slack messages and files. An improved version is at:

    Python 362 43

  4. d3tutorial Public

    📊📈 A D3 v7 tutorial - interactive bar chart and multiple coordinated views (MCV)

    HTML 220 46

  5. Chart.js Choropleth and Bubble Maps

    TypeScript 202 25

  6. Cytoscape.js plugin for simplified layers (svg, canvas, html)

    TypeScript 27 3

1,400 contributions in the last year

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Mon Wed Fri
Activity overview
Contributed to cmu-delphi/www-covidcast, lineupjs/lineupjs, cmu-delphi/www-main and 40 other repositories

Contribution activity

October 2022

Created a pull request in cmu-delphi/www-covidcast-classic that received 1 comment

d3 upgrade

closes Prerequisites: Unless it is a hotfix it should be merged against the dev branch Branch is up-to-date with the branch to be merged with, …

+231 −399 1 comment

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