Interactive books
Book-length projects, most built as their own sites, and two chart and map toolkits on ctzn.pub. Several are written in public: projects markedIn progressare still adding chapters, which are drafted and revised on the live site.
Books
7Data books and booklets, read chapter by chapter in the browser.
BookIn progressZIP Code Destiny
From cradle to grave
How where an American lives lines up with health, schooling, income and length of life, from birth to old age, at neighborhood, county and state grain.
BookIn progressThe Public Mind
Data essays on American partisanship, ideology and the political map
How closely party identity came to line up with ideology, partisan feeling and issue positions from 1948 to 2024, what left and right mean, and what the county map of the vote records.
BookIn progressWeights, Design, and Estimands
A field guide for applied researchers
The three decisions inside “should I use the survey weights?”: the target quantity, how observations enter the estimator, and the design that governs uncertainty.
BookIn progressDecision AI
Case studies in turning model judgments into actions
Case studies on decision models, systems that take evidence and typed questions and return a choice, a rubric score or a probability, in customer operations, code review and agent workflows.
BookIn progressSouth Asians in America
A data book in nine chapters
The 6.45 million US residents who reported a single South Asian race in 2024: who they are, where they live, how they earn and form families, and how they vote.
BookThe Well-Being Atlas
Reproducible data essays on life satisfaction from Gallup World Poll, GSS and WVS microdata, across 50 years and 168 countries.
The Measure of Words
Text as data, from word counts to language models
Six data essays, two live studios and a data shelf, from dictionary word counts to LLM measurement at scale.
Toolkits
2Galleries of figures and maps, and the TypeScript components that draw them. Built with Uma Huggins and hosted on ctzn.pub.
ToolkitIn progressCTZN Viz
Public data, drawn so you can check the claim
Figures on elections, campaign money, public opinion, health and housing, drawn with reusable TypeScript chart and map components.
ToolkitIn progressFive Choices Behind a Data Map
ctzn-geo
Live maps of US cities, counties, European regions and countries, each showing how the geography, class rule, colors, form or projection changes what the numbers appear to say.