xxxxxxxxxx<meta charset="utf-8"><style>body { font: 10px sans-serif;}.axis path,.axis line { fill: none; stroke: #000; shape-rendering: crispEdges;}.y.axis line { stroke: #777; stroke-dasharray: 2,2;}</style><body><script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script><script>var margin = {top: 20, right: 20, bottom: 20, left: 10}, width = 960 - margin.left - margin.right, height = 500 - margin.top - margin.bottom;var parseDate = d3.time.format("%m-%d-%Y").parse;var x = d3.time.scale() .range([0, width - 50]);var y = d3.scale.sqrt() .range([height, 0]);var r = d3.scale.sqrt() .range([5, 30]);var color = d3.scale.quantile() .range(["#fd8d3c","#fc4e2a","#e31a1c","#bd0026"]);var xAxis = d3.svg.axis() .scale(x) .tickSize(6, 0) .orient("bottom");var yAxis = d3.svg.axis() .scale(y) .tickSize(30, 0) .orient("left");var diag = d3.svg.diagonal() .source(function(d) { return {x: x(d.start),y: y(0)}; }) .target(function(d) { return {x: x(d.end),y: y(d.duration)}; });var svg = d3.select("body").append("svg") .attr("width", width + margin.left + margin.right) .attr("height", height + margin.top + margin.bottom) .append("g") .attr("transform", "translate(" + margin.left + "," + margin.top + ")");d3.csv("data.csv", function(error, data) { if (error) throw error; data.forEach(function(d) { d.start = parseDate(d.start); d.end = parseDate(d.end); d.duration = (d.end - d.start)/(1000*24*60*60*31*12); d.batDeath = +d.batDeath; }); data.sort(function(a,b) { return b.batDeath - a.batDeath; }); x.domain([d3.min(data, function(d) { return d.start; }),d3.max(data, function(d) { return d.end; })]); y.domain([0,d3.max(data, function(d) { return d.duration; })]); r.domain(d3.extent(data, function(d) { return d.batDeath; })); color.domain(d3.extent(data, function(d) { return d.batDeath; })); var war = svg.selectAll(".war") .data(data) .enter().append("g") .attr("class","war"); war.append("path") .attr("class","curves") .attr("d", diag) .attr("fill","none") .attr("stroke-width",1) .attr("stroke",function(d) { return color(d.batDeath); }); war.append("circle") .attr("class","circle") .attr("r", function(d) { return r(d.batDeath); }) .attr("cx",function(d) { return x(d.end)}) .attr("cy",function(d) { return y(d.duration)}) .attr("fill",function(d) { return color(d.batDeath)}) .attr("stroke","white") .attr("stroke-width",1.5); svg.append("g") .attr("class", "y axis") .attr("transform", "translate(" + width + ",0)") .call(yAxis) .append("text") .attr("x", 0) .attr("y", 10) .attr("transform", "rotate(-90)") .style("text-anchor", "end") .style("font-weight","bold") .text("Duration (years)"); svg.append("g") .attr("class", "x axis") .attr("transform", "translate(0," + height + ")") .call(xAxis);});</script> https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js