The guide projects Chicago community areas and grocery locations into a metric coordinate system, buffers stores by one kilometre, and displays intersection and difference maps. It defines coverage geometrically.
Hannah Ritchie’s analysis visualizes food emissions using Poore and Nemecek’s published meta-analysis. It separates livestock, crops, land use and supply-chain contributions, explaining category boundaries and the distinction between food-system and global totals.
The Markup analyzes 2019 mortgage-application records with logistic regression and publishes adjusted disparities. Its methodology documents selection rules, model variables, missing credit-score information and limitations of the available public data.
Published byEmmanuel Martinez and Lauren Kirchner / The Markup
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