https://marginaldata.com/ Small interactive experiments in data and visualization. en-us Wed, 26 Aug 2026 23:58:58 GMT https://marginaldata.com/2026/WealthLandCartogram https://marginaldata.com/2026/WealthLandCartogram Mon, 24 Aug 2026 00:00:00 GMT Global wealth inequality redrawn as claimed territory on a world map, sized by each group's share of wealth. https://marginaldata.com/2026/PossessionShape https://marginaldata.com/2026/PossessionShape Thu, 30 Jul 2026 00:00:00 GMT Comparing each team's average player positioning in and out of possession during the 2022 World Cup Final. https://marginaldata.com/2026/PassingTriangleMatchingGame https://marginaldata.com/2026/PassingTriangleMatchingGame Fri, 24 Jul 2026 00:00:00 GMT Match player jerseys to their passing triangles from the 2022 World Cup Final in this quick guessing game. https://marginaldata.com/2026/PassingCompass https://marginaldata.com/2026/PassingCompass Wed, 22 Jul 2026 00:00:00 GMT Visualizing every pass from the 2022 World Cup Final as a vector, encoding direction and distance on a compass. https://marginaldata.com/2026/MarginalTax https://marginaldata.com/2026/MarginalTax Tue, 07 Jul 2026 00:00:00 GMT A scrollytelling walkthrough of how tax brackets apply only to the dollars within them, not your whole income. https://marginaldata.com/2026/VoterAffiliation https://marginaldata.com/2026/VoterAffiliation Mon, 06 Jul 2026 00:00:00 GMT A decade of county-level voter registration trends across Colorado, explored with ternary and cartesian charts. https://marginaldata.com/2025/SpaceTraveler https://marginaldata.com/2025/SpaceTraveler Mon, 16 Feb 2026 00:00:00 GMT A brachistochrone trajectory simulator calculating realistic flip-and-burn travel times between planets. https://marginaldata.com/2025/HowMany13ers https://marginaldata.com/2025/HowMany13ers Thu, 18 Dec 2025 00:00:00 GMT An interactive map and filterable table of all 3,200+ named summits in Colorado, from 14ers to foothills. https://marginaldata.com/2025/DecisionVectorizer https://marginaldata.com/2025/DecisionVectorizer Tue, 16 Dec 2025 00:00:00 GMT Visualizing decisions as vectors, combining weighted factors to compare options against each other. https://marginaldata.com/2025/DecisionComponentAnalyzer https://marginaldata.com/2025/DecisionComponentAnalyzer Mon, 15 Dec 2025 00:00:00 GMT Breaking a decision down into its weighted components to see what's actually driving the choice. https://marginaldata.com/2025/ImageScrambler https://marginaldata.com/2025/ImageScrambler Fri, 12 Dec 2025 00:00:00 GMT Scramble and reassemble images to explore how puzzle difficulty scales with the number of pieces. https://marginaldata.com/2025/SolarAnimation https://marginaldata.com/2025/SolarAnimation Thu, 04 Dec 2025 00:00:00 GMT An animated look at how solar power generation rises and falls across the day and across seasons. https://marginaldata.com/2025/PizzaAreaComparison https://marginaldata.com/2025/PizzaAreaComparison Tue, 11 Nov 2025 00:00:00 GMT An interactive pizza-size slider showing how area, not diameter, actually determines how much pizza you get. https://marginaldata.com/2025/FuelEconomyCurve https://marginaldata.com/2025/FuelEconomyCurve Wed, 05 Nov 2025 00:00:00 GMT Plotting how a vehicle's fuel efficiency changes with speed across its full operating range. https://marginaldata.com/2025/FuelEconomyTool https://marginaldata.com/2025/FuelEconomyTool Mon, 03 Nov 2025 00:00:00 GMT Look up and compare real fuel economy ratings across vehicles side by side. https://marginaldata.com/2025/ForeignAid https://marginaldata.com/2025/ForeignAid Thu, 08 May 2025 00:00:00 GMT Comparing US foreign aid spending against other countries, in absolute dollars and as a share of GDP. https://marginaldata.com/2025/FederalEmployment https://marginaldata.com/2025/FederalEmployment Thu, 08 May 2025 00:00:00 GMT Putting the size of the federal workforce in context against state, local, and private-sector employment. https://marginaldata.com/2025/USAIDSize https://marginaldata.com/2025/USAIDSize Wed, 07 May 2025 00:00:00 GMT Guess how large USAID's budget actually was compared to the rest of the federal budget, then see the real numbers.