xxxxxxxxxx<html lang="en"> <head> <meta charset="utf-8"> <title>Cigarette taxes by state, 1970-2014</title> <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script> <style type="text/css"> body { background-color: white; font-family: Helvetica, Arial, sans-serif; } h1 { font-size: 24px; margin: 0; } p { font-size: 14px; margin: 10px 0 0 0; } svg { background-color: white; } path:hover { stroke: orange; stroke-width: 3; } path { stroke: gray; stroke-width: 1.5; } g.highlight path { stroke: steelblue; stroke-width: 2; } .axis path, .axis line { fill: none; stroke: black; stroke-width: 1; shape-rendering: crispEdges; } .axis text { font-family: sans-serif; font-size: 11px; } </style> </head> <body> <h1>Cigarette taxes by state, 1970-2014</h1> <p>Cigarette sales tax per pack as a percentage of retail price, by U.S. state, 1970-2014 Source: <a href="https://chronicdata.cdc.gov/Policy/tax_burden_percent_over_time/99g9-3m3z?category=Policy&view_name=tax_burden_percent_over_time">Centers for Disease Control and Prevention</a>, 2015</p> <script type="text/javascript"> // Dimensions var w = 800; var h = 500; var padding = { top: 20, right: 10, bottom: 20, left: 40 }; //Top, right, bottom, left // Date formatter var dateFormat = d3.time.format("%Y"); // Scales var xScale = d3.time.scale() .range([ padding.left, w - padding.right - padding.left ]); var yScale = d3.scale.linear() .range([ padding.top, h - padding.bottom ]); // Axis var xAxis = d3.svg.axis() .scale(xScale) .orient("bottom") .ticks(10) .tickFormat(function(d) { return dateFormat(d); }); var yAxis = d3.svg.axis() .scale(yScale) .orient("left") .tickFormat(function(d) { return d + '%'; }); // Line generator var line = d3.svg.line() .x(function(d) { return xScale(dateFormat.parse(d.year)); }) .y(function(d) { return yScale(+d.amount); }); // New SVG var svg = d3.select("body") .append("svg") .attr("width", w) .attr("height", h); // Load the tax data d3.csv("taxBurden.csv", function(data) { // console.log(data); // Restructuring stuff var years = ["1970", "1971", "1972", "1973", "1974", "1975", "1976", "1977", "1978", "1979", "1980", "1981", "1982", "1983", "1984", "1985", "1986", "1987", "1988", "1989", "1990", "1991", "1992", "1993", "1994", "1995", "1996", "1997", "1998", "1999", "2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011", "2012", "2013", "2014"]; var dataset = []; for (var i = 0; i < data.length; i++) { dataset[i] = { state: data[i].state, tax: [] }; //Loop through all the years for (var j = 0; j < years.length; j++) { // If value is not empty if (data[i][years[j]]) { //Add a new object to the emissions data array //for this state dataset[i].tax.push({ year: years[j], amount: data[i][years[j]] }); } } } //Set scale domains xScale.domain([ d3.min(years, function(d) { return dateFormat.parse(d); }), d3.max(years, function(d) { return dateFormat.parse(d); }) ]); yScale.domain([ d3.max(dataset, function(d) { return d3.max(d.tax, function(d) { return +d.amount; }); }), 0 ]); // Groups var groups = svg.selectAll("g") .data(dataset) .enter() .append("g") .classed("highlight", function(d) { if (d.state == "Oregon") { return true; } else { return false; } }); // Group tooltips groups.append("title") .text(function(d) { return d.state; }); // Lines groups.selectAll("path") .data(function(d) { return [ d.tax ]; }) .enter() .append("path") .attr("class", "line") .attr("d", line) .attr("fill", "none") .attr("stroke-width", 2); //Axes svg.append("g") .attr("class", "x axis") .attr("transform", "translate(0," + (h - padding.bottom) + ")") .call(xAxis); svg.append("g") .attr("class", "y axis") .attr("transform", "translate(" + (padding.left) + ",0)") .call(yAxis); }); </script> </body></html> Modified http://d3js.org/d3.v3.js to a secure url
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