Trellis New

<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Line Chart</title>
<style>
  .axis path,
  .axis line{
    fill: none;
    stroke: black;
  }

.tick text{
    font-size: 12px;
  }

.line{
    fill: none;
    stroke: blue;
    stroke-width: 2px;
  }
</style>
</head>
<body>
<script src="https://d3js.org/d3.v3.js"></script>
<script>

var margin = {top: 20, right: 100, bottom: 30, left: 100},
    width = 1000 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
  
var majors = ["Biological Sciences", "Chemistry", "Computer Science and Math"]
var i = 0, j = width/4;
  
d3.csv("graduates.csv", function(error, data) {
  if (error) throw error;
  
  majors.forEach(function(major) {
    
    if(data.Major == major) {
	    data.x = data.Year;
  	  data.y = +data.Masters;
  
var xScale = d3.scale.linear()
    .domain([1993,2015])
    .range([i, j]);
      
i = j;
j = j*2;
      
var yScale = d3.scale.linear()
    .domain([0, d3.max(data, function(d){ console.log(d.Masters); return d.y; })])
    .range([height, 0]);

var xAxis = d3.svg.axis().scale(xScale).orient("bottom").tickFormat(d3.format("d"));

var yAxis = d3.svg.axis()
    .scale(yScale)
    .orient("left");

var line = d3.svg.line()
    .x(xScale(data.x))
    .y(yScale(data.y));

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 + ")");

svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)

svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)

svg.append("path")
      .datum(data)
      .attr("class", "line")
      .attr("d", line(data));
    }
  });
});
</script>
</body>
</html>

Modified http://d3js.org/d3.v3.js to a secure url

https://d3js.org/d3.v3.js