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<head>
<meta charset="utf-8">
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
</head>
<body>
<script>
d3.csv("iris.csv", function(err, data) {
console.log("DATA", data);
var width = 960;
var height = 500;
var svg = d3.select("body").append("svg")
.attr({width: width, height: height }).style("background", "gray")
var xscale = d3.scale.linear()
.domain([0, d3.max(data, function(d) { return +d.sepalW })])
.range([0, width - 100])
var yscale = d3.scale.linear()
.domain([0, d3.max(data, function(d) { return +d.sepalL })])
.range([height, 100])
svg.selectAll("circle").data(data)
.enter()
.append("circle")
.attr({
cx: function(d) { return xscale(+d.sepalW) },
cy: function(d) { return yscale(+d.sepalL) },
r: 10,
fill: "#d7f8f4",
stroke: "#111",
"fill-opacity": 0.4
})
})
</script>
</body>
https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js