${data.title[0]}${labels[j] && ` (${labels[j]})`} ${data.title[1]}${labels[i] && ` (${labels[i]})`}

25:["$","title",null,{"children":"Bivariate Choropleth | Nazim | Observable"}] 49:T44c,legend = () => { const k = 24; const arrow = DOM.uid(); return svg` ${d3.cross(d3.range(n), d3.range(n)).map(([i, j]) => svg` ${data.title[0]}${labels[j] && ` (${labels[j]})`} ${data.title[1]}${labels[i] && ` (${labels[i]})`} `)} ${data.title[0]} ${data.title[1]} `; }4a:[{"id":"a532a3a211eb0a93bc9f24f5a1915f4689b36e46a99a8c3df3692cd9a26670a9b7c05aaee62ce583f4237797a1d489cc0f0c46549200744a0a5996417093a05c","href":"https://static.observableusercontent.com/files/a532a3a211eb0a93bc9f24f5a1915f4689b36e46a99a8c3df3692cd9a26670a9b7c05aaee62ce583f4237797a1d489cc0f0c46549200744a0a5996417093a05c","name":"cdc-diabetes-obesity.csv","type":"application/octet-stream","lastModified":1688141946039.132,"size":49043},{"id":"6b1776f5a0a0e76e6428805c0074a8f262e3f34b1b50944da27903e014b409958dc29b03a1c9cc331949d6a2a404c19dfd0d9d36d9c32274e6ffbc07c11350ee","href":"https://static.observableusercontent.com/files/6b1776f5a0a0e76e6428805c0074a8f262e3f34b1b50944da27903e014b409958dc29b03a1c9cc331949d6a2a404c19dfd0d9d36d9c32274e6ffbc07c11350ee","name":"counties-albers-10m.json","type":"application/octet-stream","lastModified":1688141946039.132,"size":795407}] 29:{"id":"2d134300d1b78b93","slug":null,"title":"Bivariate Choropleth","thumbnail":"a2df9e9540cac7c390bf3c7fc362c3055600ad9a5d2fa86bc11bcf2b67c03d1b","access_level":"public","create_time":"$D2023-06-30T16:19:06.039Z","update_time":"$D2023-06-30T16:19:06.039Z","view_time":null,"first_public_time":"$D2023-06-30T16:19:06.039Z","has_unpublished_edits":null,"fork":{"id":"8b1da0468b5f1e92","slug":"bivariate-choropleth","title":"Bivariate choropleth","owner":{"id":"863951e3ebe4c0ae","login":"d3","name":"D3"}},"stars":0,"starred":false,"owner":{"type":"team","id":"22a5c876af1d4b63","login":"gnalxom","name":"Nazim","avatar_url":"https://avatars-next.observableusercontent.com/d8bc7de03ad7dd2061e8ab60be066de794dead9423374d4fc188c7851fd0cff7","tier":"starter_2024","bio":"","following":false},"version":426,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"1cd14df68d8d3341","login":"gnalxom","name":"Nazim","avatar_url":"https://avatars-next.observableusercontent.com/d8bc7de03ad7dd2061e8ab60be066de794dead9423374d4fc188c7851fd0cff7","tier":null,"bio":"","following":false}],"members":[{"type":"individual","id":"1cd14df68d8d3341","login":"gnalxom","name":"Nazim","avatar_url":"https://avatars-next.observableusercontent.com/d8bc7de03ad7dd2061e8ab60be066de794dead9423374d4fc188c7851fd0cff7","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"titling":"auto","title":"Bivariate Choropleth","cells":[{"id":0,"value":"md`# Bivariate Choropleth\n\nDiabetes and obesity prevalence by county, 2013. Colors: [Joshua Stevens](http://www.joshuastevens.net/cartography/make-a-bivariate-choropleth-map/) Data: [CDC](https://www.cdc.gov/diabetes/data/countydata/countydataindicators.html)`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":194,"value":"viewof colors = Inputs.select(new Map(schemes.map(s => [s.name, s.colors])), {key: \"BuPu\", label: \"Color scheme\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":423,"value":"new Map(schemes.map(s => [s.name, s.colors]))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":14,"value":"chart = {\n const svg = d3.create(\"svg\")\n .attr(\"viewBox\", [0, 0, 975, 610]);\n\n svg.append(legend)\n .attr(\"transform\", \"translate(870,450)\");\n\n svg.append(\"g\")\n .selectAll(\"path\")\n .data(topojson.feature(us, us.objects.counties).features)\n .join(\"path\")\n .attr(\"fill\", d => color(data.get(d.id)))\n .attr(\"d\", path)\n .append(\"title\")\n .text(d => `${d.properties.name}, ${states.get(d.id.slice(0, 2)).name}\n${format(data.get(d.id))}`);\n\n svg.append(\"path\")\n .datum(topojson.mesh(us, us.objects.states, (a, b) => a !== b))\n .attr(\"fill\", \"none\")\n .attr(\"stroke\", \"white\")\n .attr(\"stroke-linejoin\", \"round\")\n .attr(\"d\", path);\n\n return svg.node();\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":126,"value":"$49","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":16,"value":"data = Object.assign(new Map(d3.csvParse(await FileAttachment(\"cdc-diabetes-obesity.csv\").text(), ({county, diabetes, obesity}) => [county, [+diabetes, +obesity]])), {title: [\"Diabetes\", \"Obesity\"]})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":359,"value":"schemes = [\n {\n name: \"RdBu\", \n colors: [\n \"#e8e8e8\", \"#e4acac\", \"#c85a5a\",\n \"#b0d5df\", \"#ad9ea5\", \"#985356\",\n \"#64acbe\", \"#627f8c\", \"#574249\"\n ]\n },\n {\n name: \"BuPu\", \n colors: [\n \"#e8e8e8\", \"#ace4e4\", \"#5ac8c8\",\n \"#dfb0d6\", \"#a5add3\", \"#5698b9\", \n \"#be64ac\", \"#8c62aa\", \"#3b4994\"\n ]\n },\n {\n name: \"GnBu\", \n colors: [\n \"#e8e8e8\", \"#b5c0da\", \"#6c83b5\",\n \"#b8d6be\", \"#90b2b3\", \"#567994\",\n \"#73ae80\", \"#5a9178\", \"#2a5a5b\"\n ]\n },\n {\n name: \"PuOr\", \n colors: [\n \"#e8e8e8\", \"#e4d9ac\", \"#c8b35a\",\n \"#cbb8d7\", \"#c8ada0\", \"#af8e53\",\n \"#9972af\", \"#976b82\", \"#804d36\"\n ]\n }\n]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":216,"value":"labels = [\"low\", \"\", \"high\"]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":207,"value":"n = Math.floor(Math.sqrt(colors.length))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":209,"value":"x = d3.scaleQuantile(Array.from(data.values(), d => d[0]), d3.range(n))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":204,"value":"y = d3.scaleQuantile(Array.from(data.values(), d => d[1]), d3.range(n))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":395,"value":"path = d3.geoPath()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":69,"value":"color = {\n return value => {\n if (!value) return \"#ccc\";\n let [a, b] = value;\n return colors[y(b) + x(a) * n];\n };\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":75,"value":"format = (value) => {\n if (!value) return \"N/A\";\n let [a, b] = value;\n return `${a}% ${data.title[0]}${labels[x(a)] && ` (${labels[x(a)]})`}\n${b}% ${data.title[1]}${labels[y(b)] && ` (${labels[y(b)]})`}`;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":379,"value":"states = new Map(us.objects.states.geometries.map(d => [d.id, d.properties]))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8,"value":"us = FileAttachment(\"counties-albers-10m.json\").json()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W4a","stdlib":"1"}} 24:null