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<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
</style>
</head>
<body>
<script>
var data = [{nome:"Brasil", valor:1},
{nome:"Chile", valor:2},
{nome:"Argentina", valor:3.5},
{nome:"Paraguai", valor:4.2}];
// Feel free to change or delete any of the code you see in this editor!
var svg = d3.select("body").append("svg")
.attr("width", 960)
.attr("height", 500)
var line = svg.append("line")
.attr("x1", 200)
.attr("x2", 200)
.attr("y1", 50)
.attr("y2", 200)
.attr("stroke-width", 2)
.attr("stroke", "black")
svg.selectAll("text")
.data(data)
.enter()
.append("text")
.text(function(d) {return d.nome + " = " + d.valor})
.style("font-size", 32)
.attr("y", function(d) {return 200 - d.valor * 30})
.attr("x", 200)
.attr("dx", 12)
.attr("dy", ".35em")
svg.selectAll('circle')
.data(data)
.enter()
.append('circle')
.attr('r', 5.0)
.attr('cx', 200)
.attr('cy', function(d) {return 200 - d.valor * 30})
.style('cursor', 'pointer')
.style('fill', 'steelblue');
</script>
</body>
https://d3js.org/d3.v4.min.js