D3 Examples - Active Duty End Strength

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<html>
<!--Example from https://bl.ocks.org/mbostock/02d893e3486c70c4475f-->
<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
.axis {
  font: 10px sans-serif;
}
​
.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
​
.axis--x path {
  display: none;
}
​
.axis-title {
  font-weight: bold;
  text-anchor: end;
}
​
.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 1.5px;
}
​
</style>
<body>
<script src="https://d3js.org/d3.v4.0.0-alpha.4.min.js"></script>
<script>
​
var margin = {top: 20, right: 20, bottom: 30, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
​
var parseTime = d3.timeParse("%b-%y");
​
var x = d3.scaleTime()
    .range([0, width]);
​
var y = d3.scaleLinear()
    .range([height, 0]);
​
var xAxis = d3.axisBottom()
    .scale(x);
​
var yAxis = d3.axisLeft()
    .scale(y);
​
var line = d3.line()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.price); });
​
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.requestTsv("bae_hist_count.tsv", function(d) {
  d.date = parseTime(d.date);
  d.price = +d.price;
  return d;
}, function(error, data) {
  if (error) throw error;
​
  x.domain(d3.extent(data, function(d) { return d.date; }));
  y.domain(d3.extent(data, function(d) { return d.price; }));
​
  svg.append("g")
      .attr("class", "axis axis--x")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);
​
  svg.append("g")
      .attr("class", "axis axis--y")
      .call(yAxis)
    .append("text")
      .attr("class", "axis-title")
      .attr("transform", "rotate(-90)")
      .attr("y", 10)
      .attr("dy", ".71em")
      .text("Active Duty End Strength");
​
  svg.append("path")
      .datum(data)
      .attr("class", "line")
      .attr("d", line);
});
​
</script>
</body>
</html>
    