Interactive evidence, built from real data.

Fast-Food Share of Wallet: COVID Impact

How did the pandemic redraw where consumers spent their fast-food dollars? A share-of-wallet dashboard that benchmarks chains against the category through the shock and recovery.

GDELT Media Agenda Lab

Search global news and television coverage as an agenda-setting lab: compare attention, tone, source geography, station airtime, and evidence cards from live GDELT APIs.

NYC Airbnb: A Listings Atlas

Explore tens of thousands of NYC listings by neighborhood, room type, and price — a worked example of how exploratory views turn a raw marketplace dump into a map of where supply and money actually sit.

Presidential Election Atlas: 1976-2024

A state-by-state presidential election dashboard: move across 1976-2024, compare national outcomes, read the hex map, and inspect which states shifted most from the prior election.

The Shape of Belief: World Religious Composition

Explore how global religious composition changes from 2010-2050 across regions, faith groups, population shares, and projected growth patterns.

The Southwest Effect

Does a low-cost carrier entering a route really pull fares down — and by how much, once you hold distance and demand fixed? A visual walk through the classic regression.

The Well-Being Atlas

A publication of reproducible data essays on life satisfaction — Gallup World Poll, GSS, and WVS microdata across 50 years and 168 countries.

World Trade Atlas

A bilateral goods-trade explorer — 226 countries × 5,021 products, 1995–2024 (CEPII BACI), with country profiles, comparisons, and stories.

2020: The World's Worst Year?

Gallup World Poll, 93 countries: in 2020 daily worry, sadness and stress hit their highest recorded levels, while the world’s rating of its own life barely moved.

A Day on the Plate — How America's Children Eat, Move, and Grow

What 5,610 survey records reveal about how young Americans eat, drink, move, and grow — and the quiet inequalities hidden inside the averages.

AI Models & Benchmarks

A filterable, sortable comparison of frontier and open-weight models — context windows, pricing, modalities, and access.

America Didn’t Wait for the Unsorted to Die — They Switched

Track ANES cross-pressured voters from 1972-2024 to test whether partisan sorting came from generational replacement or switching among existing cohorts.

America Now Holds One Election, Not 3,100

Analyze county presidential returns from 1972-2024 to show the nationalization of county swing, the collapse of local variance, and the shrinking count of flipped counties.

Americans Didn’t Fall in Love With Their Party. They Learned to Despise the Other One.

Use ANES feeling thermometers from 1978-2024 to separate in-party warmth from out-party dislike, distributional zeros, and affective polarization.

An Index Autopsy

We rebuilt a deprivation index from scratch with PCA — no housing costs — and compared it to the canonical ADI. They agree on the gradient and disagree violently about New York.

BAV fast-food brand perceptions

Brand Asset Valuator-style fast-food brand metrics, market share, and attribute perception percentages.

Beer acquisition tweet sentiment corpus

Tweet corpus around beer-brand acquisition events, with text, source, event timing, acquisition period, URL flag, and date fields.

CFPB Crisis Monitor

Use public consumer complaints as a crisis early-warning system: pin incident spikes, inspect consented narratives, and separate product mix shifts from real operational improvement.

Colorado legalization housing counterfactual

Monthly Zillow-style housing value panel with a Colorado legalization period flag and state-level comparison series.

Countercyclical Pricing: Progresso Soup

When demand is seasonal and a recession hits, when should a soup brand cut price and when should it hold? Trace promotion, volume, and competitive response across the cycle.

County demographics parquet

County-level demographic parquet dataset paired with a local county demographics JSON file.

Deaths of Despair vs. Felt Despair

Case and Deaton mapped where Americans die of suicide, drugs, and alcohol. Gallup spent a decade asking Americans how yesterday felt. Lay the feelings over the deaths, and the measure that tracks the mortality map best is not sadness, no…

Does Community Substitute for Connection?

Putnam's heirs promised that civic fabric lifts everyone. Three and a half million Gallup interviews ask the sharper question: does it lift the people who need it most?

Does Generosity Pay - Everywhere?

Across 155 countries, people who give — money, time, or a hand to a stranger — rate their lives higher and feel better day to day. The link is remarkably stubborn: it holds in rich countries and poor ones alike, and it is strongest for g…

Does the Ring Still Matter?

For fifty years, married Americans have reported being happier than everyone else. The gap has barely budged — and most of it survives even after you account for who tends to marry.

Doing Okay: American Financial Wellbeing

Follow a decade of Federal Reserve SHED survey indicators: financial comfort, inflation-era strain, emergency savings, $400 expense readiness, and education gaps.

Election dashboard candidate-state table

Chart-ready candidate/state/year election table aggregated from the presidential returns source and enriched with stable candidate identifiers.

Fast-Food Brand Perceptual Map

Reduce 48 BAV brand attributes into factor-map axes, inspect loadings, cluster fast-food brands, and test how much Brand Asset follows from the latent perception scores.

Feeling Rich Is Not the Same as Being Rich

Across 147 countries, money reliably buys the feeling of financial sufficiency — and the feeling never tops out, across countries or within them. But whole regions feel far richer, or poorer, than their income says they should.

Fifty Years of American Evenings

Since 1974 the GSS has asked the same four questions: how often do you spend an evening with relatives, with friends, with neighbors — or at a bar? The answers trace a half-century in which company grew rarer, screens grew brighter, and…

Four Subway Stops, Twenty-Four Years

Within a single American county, life expectancy at birth can differ by more than two decades. A tract-level tour of New York and Chicago.

From Denomination to Devotion

Across the ANES 1948-2024, the religious cleavage in American presidential voting rotated from a denominational axis (Catholic Democrats vs Protestant Republicans) to a devotional one (frequent attenders vs seculars) that cuts across eve…

Half the Deaths, a Sliver of the Map

Half of America

Happiness Moved Inside Borders

Gallup World Poll, 2006–2019: the world got happier and nations grew more alike, while the gap between each country’s happiest and unhappiest people widened.

Health of America’s ZIP Codes

A map-first atlas of 26 health and social-need measures across 32,409 ZIP/ZCTAs (CDC PLACES + Census), with stories and methodology.

Industry Ad Spend Explorer

Explore 2018-2022 advertising spend by industry group, advertiser, and media type, with a Covid-era lens on budget shocks, recovery, and media mix shifts.

Information Doesn't Cool the Argument. It Sharpens It.

Across the ANES 1972-2024, the partisan gap on policy and racial attitudes is widest among the most politically knowledgeable Americans -- every year, and by a growing margin, even net of education. Information sorts; it does not depolar…

Keeping Up With the County

Same paycheck, richer neighbors: across 2.1 million Gallup interviews, living among wealthier people lowers life evaluation for the middle and barely touches the rich — while the poor are unbothered or slightly lifted. Who feels the comp…

Lottery ZIP Psychographics: How Neighborhoods Play

Segment active NYC ZIP codes from NY Lottery behavior signals, then interpret the PCA/factor score space with borough, income, retailer availability, and product-mix profiles.

Milk field experiment

Store-level milk pricing quasi-experiment data with diet soda placebo, whole milk share, flat-pricing treatment, and ZIP income measures.

NYC Metro ZIP Health Segments

Use health prevalence measures to build factor scores, cluster ZIP codes, and interpret the segments by correlating scores with income, age, college share, and deprivation.

NYC Taxi/Ride-Hail: Uber & Lyft at the COVID Emergency

Trace Uber and Lyft rides across NYC pickup zones as demand breaks around the March 2020 emergency declaration, then compare the late-April floor by borough and zone.

NYC-area ZIP health teaching data

ZIP-level geography, deprivation, population, education, income, health prevalence measures, and factor scores.

One Country, Two Timelines

ANES, GSS, and county returns show the American South did three things at once: it realigned on party and the vote, converged on economics, and grew more distinct on religion and culture.

Out of Place — The Geography of the LGBT Well-Being Gap

Across 62,193 Gallup respondents who said they were LGBT, daily worry, sadness and stress run high everywhere — but how poorly people rate their lives widens as the county turns Republican and rural. And in those same hostile places, far…

Partisans Finally Got Constraint

Revisit the partisans-without-constraint thesis with ANES issue-scale correlations, party-identification alignment, heatmaps, and sorting decompositions from 1970-2024.

Partisanship Ate the Thermometers

Across sixty years of ANES feeling thermometers, party ID has replaced race as the cleavage that best organizes how Americans feel about non-political social groups.

Political books review corpus

Amazon-style political and business book reviews with ratings, text, review metadata, product description, category, price, and reviewer fields.

Progresso pricing workbook

Teaching workbook with demand, brute-force price search, solver, analytical pricing, seasonal segmentation, and cross-price interpretation tabs.

Progresso soup scanner data

Store-week style scanner data for Campbell, private-label, and Progresso soup volumes and prices, with store geography and local demographics.

Raised Poor, Locked Up

For boys raised by poor families, the odds of growing up incarcerated rise with neighborhood deprivation — and, on the very same streets, fall heavily by race.

Reading Is a Girls' Country

Across 12,360 school districts, girls out-read boys in 99.9 percent. Math is contested ground — and which side wins tracks the district

Reading the Population's Vital Signs — Mental Health at the Emergency Room Door

What 88 months of syndromic surveillance data reveal about mental health at the emergency department — and how to read a rate without being fooled by it.

Regression Exercise: Did Southwest Lower Airfares?

The hands-on companion: download the route data, run the regression yourself, and read the coefficients the way a manager would. Built for a live class session.

Regulation & Demand for Guns

Analyze FBI background-check data to see how regulatory changes, major events, seasonality, and COVID-era shocks changed U.S. firearm demand across states.

Religion's Conditional Dividend

Across 143 countries, people who call religion important rate their lives higher and feel better day to day — but mainly where life is hard. As nations grow richer and safer, the religious advantage bends toward zero, and in the wealthie…

RentHop apartment listings

Apartment listing data with address, hot/not label, coordinates, amenities, bathrooms, bedrooms, and price.

Research Data Gallery — SCRC & Dewey

A research-data gallery surfacing curated datasets for teaching and analysis.

Rich Counties Still Lean Republican Once You Control for Diplomas

Combine county returns with ACS and rural-urban measures to show where income, education, ethnicity, and immigration explain the Trump-era county shift.

Smiles and Ladders: Where Good Days and Good Lives Come Apart

Rwanda has some of the world's best days and its worst self-rated lives. Lithuania, the reverse. A map of where good days and good lives come apart.

The Abortion Sort

Across the ANES 1980-2024, abortion travelled from a cross-cutting issue on which the parties were statistically tied to the clearest single marker of party: the Dem-Rep gap on

The Born-Rich Premium

What does a rich birth buy? The Opportunity Atlas prices the class premium neighborhood by neighborhood — and it varies twofold across America.

The Coefficient Zoo

Fifty-one regressions per health behavior: what doubling a neighborhood

The Company You Keep

Twenty-one billion Facebook friendships, one question: which kind of social capital actually predicts whether poor children rise? Cross-class friendship does. Volunteering, clubs, and tight-knit networks barely register.

The Curve That Bent — U.S. Drug Overdose Deaths, 2018–2024

A data narrative on U.S. drug overdose mortality from 2018 to 2024: the fentanyl-driven climb, the uneven toll, and the historic 2024 reversal. Built from CDC / NCHS National Vital Statistics System data.

The Diploma Divide Is a Culture Divide

Across the ANES 1972-2024, the college education gap on economic redistribution attitudes has collapsed to near zero while the gap on cultural attitudes held -- by 2008-24 the cultural education gap is about three times the economic one.…

The Economy Is a Partisan Mirror

Across the ANES 1980-2024, Americans

The Eight Americas

A k-means clustering of 81,000 census tracts sorts the country into eight kinds of neighborhood — and a child

The Flat Line

In deprived neighborhoods people see the doctor just as often — and get far less prevention. The health system manages disease where it could prevent it.

The Flip Counties Felt It First

In the places that voted for Barack Obama and then Donald Trump, people rated their lives about like everyone else's. What sagged, years before 2016, was where they thought their lives were headed.

The Gen Z Gender War Is Real, New — and Half the Size You’ve Heard

Use CES 2008-2024 data to size the under-30 gender gap, compare it with older voters, and separate the headline from the racial composition underneath it.

The Great Divergence: Teen Political Identity

Track how U.S. high school seniors describe their political identity from 1976-2023, with gender gaps, ideological spectrum shifts, and post-2016 decomposition views.

The Great Sorting: How Americans Re-Sorted Into Two Parties

Follow ANES party-identification data from 1952-2024 to see how education, race, class, and religion reshaped the Democratic and Republican coalitions.

The Great Unwinding: Stress Is the Only Emotion with a Retirement Party

Between 55 and 70, the emotional weather of American life transforms: stress collapses, worry recedes, enjoyment returns. Stress, it turns out, is the only emotion that gets a retirement party.

The Income Ladder Flipped

Trace CES presidential-vote reports from 2008-2024 to see how the classic income gradient inverted and why the richest voters became the most Democratic income group.

The Loneliness Geography

Loneliness and depression have opposite geographies: one is young, single, and urban; the other is rural and deprived. A ZIP-code-level map of American isolation.

The Ninety-Year-Old Map

Federal appraisers graded American neighborhoods A through D in the late 1930s. Lay the grades over today

The Office Ladder of Defection

ANES vote choice 1952-2024 shows partisan defection by office: the split-ticket ladder opened in the 1980s-90s then collapsed under nationalization; cross-pressured partisans still split most, down-ballot.

The Optimism Gap

Across 2.46 million Gallup interviews, Black Americans expect their lives to rise far more than white Americans do at every income level — and the gap is widest among the poor, even though white Americans rate their current lives higher.

The Paradox That Didn't Hold

In the 1970s American women called themselves happier than men. A famous study watched that lead vanish. Extend the data eighteen more years and the decline doesn't continue — it dissolves into noise.

The Party of Science Switched Sides

Fifty years of General Social Survey data show Republicans went from the most science-confident party to the least — and the Supreme Court, the last consensus institution, finally broke too.

The Peak and the Plateau — A Decade of American Financial Well-Being

For a decade, Americans felt steadily better about their money. Then 2022 took it back — and the recovery never came.

The Places That Beat the Model

A five-variable model predicts neighborhood mobility with R² = 0.44. The residuals are the interesting part: the counties that out-perform their demographics, and the boomtowns that don

The Plateau Is in the Tail, Not the Mean

The legend that money stops buying happiness at $75,000 was computed on this very survey. Plot the whole distribution of well-being instead of its average, and the plateau moves: it belongs to the unhappiest Americans — and to feelings,…

The Purple County Is a Lie

Precinct returns · 2024 presidential · MIT Election Lab

The Slope Factory

We fit the deprivation–life-expectancy regression separately in 266 American metros. Every single slope came back negative. Many small models, one law.

The Starting Line

A baby

The Stress Decade: How the World's Days Got Heavier, 2008–2019

Between 2008 and 2019 — before anyone had heard of COVID-19 — the share of humanity reporting a stressful day rose by ten percentage points. Enjoyment never moved.

The Thin Cushion: Money Softens Few of Life's Blows

Fifty years of American survey data say wealth softens remarkably few of life's blows — and for some, the well-off fall further.

The Two Clocks of Growing Old — what ageing does to a day, around the world

Gallup World Poll, 2005–2020, 2.3 million interviews in 165 countries: as people age, the mind’s agitations — stress, anger — fall to lifetime lows, while pain, sadness and the body’s limits climb. And whether old age is calm or anxious…

The U-Curve of Happiness Is Breaking — at the Young End

For two generations, happiness sagged in midlife and recovered with age. In the 2020s the curve snapped at its left end: the young are now the unhappiest Americans.

The U-Curve, Redrawn — where the midlife dip in happiness exists, and where it doesn't

Gallup World Poll, 2005–2020, 2.2 million interviews in 156 countries: the famous U-shaped happiness curve — high in youth, low at midlife, rising again in old age — is real, but mostly a privilege of the rich Anglosphere. Across much of…

The Unpacking

For a generation the Big Sort ran one way: Americans piling into landslide neighborhoods where they never met the other side. Below the county line, between 2016 and 2024, it went briefly into reverse — and the Democratic city, the most…

The Vanishing Cradle

America

Trump tweet device corpus

Tweet text with timestamps and iPhone/Android attribution labels, likely for authorship, source, or political text analysis.

Two Shocks, One Mirror — Obama, Floyd, and American Racial Opinion

Did Obama

U.S. election state and county workbook, 1972-2016

Workbook with state and county presidential election results, popular vote shares, red/blue labels, candidates, and electoral votes.

U.S. presidential state returns, 1976-2024

State-level U.S. presidential election returns by candidate, party, state, and year.

Voting Against the Grain · Partisans Whose County Disagrees

Wear and Tear

The geography of disability looks like it should be a map of where old people live. It isn

What a Year of Life Costs

The housing market already prices life expectancy. In Cincinnati, ZIP codes one year of life apart differ by about $18,000 in median home value; in San Francisco, $141,000.

Where It Is Deadliest to Be Poor

Rich Americans live about as long everywhere. Poor Americans

Where the Stranded Live

Cooperative Election Study · county returns · 2020–2024

Who Censors Whom

GSS tolerance data 1976-2024 show the partisan free-speech divide reorganized by target: the modern left will deny a platform to a racist while easing toward other speakers.

Whose America Is Thriving? Whoever Just Won.

Ten years and 3.5 million interviews show partisans' life evaluations crossing twice — once when Barack Obama took office, and again, in the opposite direction, when Donald Trump did.

Within Reach: Teen Drug Availability

Read four decades of Monitoring the Future survey data on how available teens think drugs are, comparing substances, grade levels, long-run declines, and 2024 levels.

Your County Can’t Change Your Mind: Party Beats Place 8-to-1

Pool CES interviews by county context to compare party identity with local red-blue environment across policy issues, showing how little place moves views once party is known.

Zillow state ZHVI panel

Wide state-level Zillow Home Value Index panel with monthly columns from 2000 through 2026.

ZIP psychographic baseline parquet

ZIP-level baseline psychographic or latent-factor data stored as parquet.