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Walmart’s growth

D3 › Gallery

\n\n# Walmart’s growth\n\nThis animation shows the expansion of Walmart over the last fifty years. On July 2, 1962 in [Rogers, Arkansas](https://en.wikipedia.org/wiki/Rogers,_Arkansas), the first Walton’s opened. [This dataset](http://users.econ.umn.edu/~holmes/data/WalMart/index.html) from 2006 includes about 3,100 Walmart locations in the contiguous United States.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined"},{"id":288,"value":"viewof date = Scrubber(d3.utcWeek.every(2).range(...d3.extent(data, d => d.date)), {format: d3.utcFormat(\"%Y %b %-d\"), loop: false})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":14,"value":"$32","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":296,"value":"update = chart.update(date)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":16,"value":"data = (await FileAttachment(\"walmart.tsv\").tsv())\n .map(d => {\n const p = projection(d);\n p.date = parseDate(d.date);\n return p;\n })\n .sort((a, b) => a.date - b.date)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":275,"value":"parseDate = d3.utcParse(\"%m/%d/%Y\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":279,"value":"projection = d3.geoAlbersUsa().scale(1280).translate([480, 300])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":8,"value":"us = {\n const us = await d3.json(\"https://cdn.jsdelivr.net/npm/us-atlas@1/us/10m.json\");\n us.objects.lower48 = {\n type: \"GeometryCollection\",\n geometries: us.objects.states.geometries.filter(d => d.id !== \"02\" && d.id !== \"15\")\n };\n return us;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":283,"value":"import {Scrubber} from \"@mbostock/scrubber\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"}],"files":"$W33","stdlib":"1","titling":"auto"}} 31:"$30:body"