2a:null 2b:["$","title",null,{"children":"Ideological Shift in the House of Representatives | Zev Youra | Observable"}] 30:T8b0,svg = { const svg = d3.select(DOM.svg(width, height)); if (showHeader) { const header = svg.append('g').append('text') .attr('y', headerFontSize + margin.top) .attr('x', margin.left) .attr('font-size', headerFontSize) .attr('font-family', 'sans-serif'); header.append('tspan') .text('Ideological Shift in the House') header.append('tspan') .text(' by @zzzev') .attr('fill', 'rgba(0, 0, 0, 0.2)'); } const getX = d => d[0]; const getY = d => -d[1]; const line = d3.line() .x(getX) .y(getY) .curve(d3.curveCardinal); const area = d3.area() .x(getX) .y0(-perRowY(epsilon)) .y1(getY) .curve(d3.curveCardinal); const perSession = svg.append('g') .selectAll('g').data(chartData).enter() .append('g') .attr('class', d => `congress-${d[0]}`) .attr('transform', d => `translate(0, ${rowY(115 - d[0])})`) .attr('opacity', 0); perSession.transition().duration(500).delay((d, i) => i * 250) .attr('opacity', 1); // area perSession .selectAll('g.area').data(d => d[1]).enter() .append('g').attr('class', 'area').attr('fill', d => color(d[0])).attr('opacity', 0.2) .selectAll('path').data(d => [d[1]]).enter() .append('path') .attr('d', area); // stroke perSession .selectAll('g.line').data(d => d[1]).enter() .append('g') .attr('class', 'line') .attr('fill', 'none') .attr('stroke', 'black') .attr('stroke-width', 0.5) .attr('opacity', 0.5) .selectAll('path').data(d => [d[1]]).enter() .append('path') .attr('d', line); const xAxis = svg.append('g') .attr('transform', `translate(0, ${height - margin.bottom})`) .call(d3.axisBottom(x).ticks(3)) .attr('font-size', axisFontSize); xAxis.select('.tick:last-child text').clone() .text('voteview.com NOMINATE score') .attr('text-anchor', 'end') .attr('font-weight', 700) .attr('transform', `translate(0, ${width / 60})`); svg.append('g') .attr('transform', `translate(${margin.left}, 0)`) .call(d3.axisLeft(rowY).tickSizeOuter(0).tickFormat(t => 2018 - t * 2)) .attr('font-size', axisFontSize); return svg.node(); }31:[] 2e:{"id":"266f737003509ea2","slug":"ideological-shift-in-the-house-of-representatives","title":"Ideological Shift in the House of Representatives","thumbnail":"621798fd59139654c9e78faa6e3d6fa166097e1265fa59a41523e1941879d7a7","access_level":"public","create_time":"$D2018-11-09T21:37:30.136Z","update_time":"$D2018-11-10T21:41:51.291Z","view_time":null,"first_public_time":"$D2018-11-10T21:39:07.405Z","has_unpublished_edits":null,"fork":false,"stars":2,"starred":false,"owner":{"type":"team","id":"80a52c093fcb91a5","login":"zzzev","name":"Zev Youra","avatar_url":"https://avatars-next.observableusercontent.com/e46dd464d5c1b415fc4f637fee1048757ab80e9001f6117871bd08c8aff84009","tier":"starter_2024"},"version":525,"publish_version":525,"role":null,"authored":false,"authors":[{"type":"individual","id":"1b24aed4afb24eb1","login":"zzzev","name":"Zev Youra","avatar_url":"https://avatars-next.observableusercontent.com/e46dd464d5c1b415fc4f637fee1048757ab80e9001f6117871bd08c8aff84009","tier":null}],"members":[{"type":"individual","id":"1b24aed4afb24eb1","login":"zzzev","name":"Zev Youra","avatar_url":"https://avatars-next.observableusercontent.com/e46dd464d5c1b415fc4f637fee1048757ab80e9001f6117871bd08c8aff84009","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":3,"collection":{"id":"2affa797fe061129","slug":"data-visualization-journalism","title":"Data Visualization / Journalism","owner":{"id":"80a52c093fcb91a5","login":"zzzev","name":"Zev Youra"}},"type":"notebook","body":{"titling":"auto","title":"Ideological Shift in the House of Representatives","cells":[{"id":0,"value":"md`# Ideological Shift in the House of Representatives\n\nI came across an earlier version of this graphic [here](https://twitter.com/rowlsmanthorpe/status/1060104225089351680), but could not find the original context. The data was easily available (thanks [Voteview](//voteview.com)), so I figured I'd recreate it, and see how the last few years stack up with the trend.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":373,"value":"html`Data source: Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2018). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":28,"value":"$30","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":470,"value":"html`${color.domain().map(d => {\n return `

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