31:T59f,raceImages = [ { name: "Coworkers", image: await (await FileAttachment("co-workers.jpg")).url(),}, { name: "Met Online", image: await (await FileAttachment("met_online.png")).url(),}, { name: "Bar or Restaurant", image: await (await FileAttachment("cocktail.png")).url(),}, { name: "Through Friend", image: await (await FileAttachment("Friends.png")).url(),}, { name: "Through Family", image: await (await FileAttachment("family.jpg")).url(),}, { name: "Church", image: await (await FileAttachment("church.jpg")).url(),}, { name: "College", image: await (await FileAttachment("students.PNG")).url(),}, { name: "Primary or Secondary School", image: await (await FileAttachment("school_kids.png")).url(),}, { name: "Volunteer Organization", image: await (await FileAttachment("volunteer.png")).url(),}, { name: "Customer-Client Relationship", image: await (await FileAttachment("customer_client.png")).url(),}, { name: "Party", image: await (await FileAttachment("party.jpg")).url(),}, { name: "Public Place", image: await (await FileAttachment("park.PNG")).url(),}, { name: "Through Neighbour", image: await (await FileAttachment("neighbour.png")).url(),}, { name: "On Vacation", image: await (await FileAttachment("vacation.png")).url(),}, { name: "Blind Date", image: await (await FileAttachment("blind_date.png")).url(),}, { name: "Military", image: await (await FileAttachment("military.png")).url(),}, ]32:T4fc,function labels(svg) { let label = svg.append("g") .style("font", "bold 12px var(--sans-serif)") .style("font-variant-numeric", "tabular-nums") .attr("text-anchor", "end") .selectAll("text"); return ([date, data], transition) => label = label .data(data.slice(0, n), d => d.name) .join( enter => enter.append("text") .attr("transform", d => `translate(${x((prev.get(d) || d).value)},${y((prev.get(d) || d).rank)})`) .attr("y", y.bandwidth() / 2) .attr("x", -10) .attr("dy", "-0.25em") .text(d => d.name) .call(text => text.append("tspan") .attr("fill-opacity", 0.7) .attr("font-weight", "normal") .attr("x", -10) .attr("dy", "1.15em")), update => update, exit => exit.transition(transition).remove() .attr("transform", d => `translate(${x((next.get(d) || d).value)},${y((next.get(d) || d).rank)})`) .call(g => g.select("tspan").tween("text", d => textTween(d.value, (next.get(d) || d).value))) ) .call(bar => bar.transition(transition) .attr("transform", d => `translate(${x(d.value)},${y(d.rank)})`) .call(g => g.select("tspan").tween("text", d => textTween((prev.get(d) || d).value, d.value)))); 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2f:{"title":"How Couples Met","cells":[{"id":239,"value":"md`# How Couples Met\n## **Universe**: English-literate adults in the United States, 1960–2010\n\nData from the *[How Couples Meet and Stay Together](https://data.stanford.edu/hcmst2017)* survey. CSV file adapted from work by [Nathan Yau (Flowingdata)](https://flowingdata.com/2019/03/15/shifts-in-how-couples-meet-online-takes-the-top-spot/).\n

Bar Chart Race based on a notebook by [Mike Bostock](https://observablehq.com/@d3/bar-chart-race) and a fork by [Jeremy Ashkenas](https://observablehq.com/@jashkenas/iowa-caucuses-the-bar-chart-race).`","pinned":false,"hidden":false,"mode":"ojs"},{"id":3147,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":0,"value":"chart = {\n replay;\n\n const svg = d3.create(\"svg\")\n .attr(\"viewBox\", [0, 0, width, height]);\n\n const updateBars = bars(svg);\n const updateAxis = axis(svg); \n const updateLabels = labels(svg);\n const updateImages = images(svg);\n const updateTicker = ticker(svg);\n\n yield svg.node();\n\n for (const keyframe of keyframes) {\n const transition = svg.transition()\n .duration(duration)\n .ease(d3.easeLinear);\n\n // Extract the top bar’s value.\n x.domain([0,keyframe[1][0].value]);\n\n updateBars(keyframe, transition);\n updateAxis(keyframe, transition);\n updateLabels(keyframe, transition);\n updateImages(keyframe, transition);\n updateTicker(keyframe, transition);\n\n invalidation.then(() => svg.interrupt());\n await transition.end();\n }\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":3782,"value":"---","pinned":false,"hidden":false,"mode":"md"},{"id":982,"value":"viewof replay = html`