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<meta charset="utf-8">
<style>
.bar { fill: steelblue; }
</style>
<body>
<script src="//d3js.org/d3.v4.min.js"></script>
<script>
// Set graph dimensions and margins
var margin = {top: 50, right: 20, bottom: 110, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var targetLabel = "2003/07";
// Set ranges
var x = d3.scaleBand()
.range([0, width])
.padding(0.1);
var y = d3.scaleLinear()
.range([height, 0]);
// Appends an svg to the body and a group which is moved to the top left margin
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 + ")");
// Get data
d3.csv("airlines.csv", function(error, data) {
if (error) throw error;
var newData = data.filter(function filterCriteria(d) {
return d.Label == targetLabel;
})
// Format data
newData.forEach(function(d) {
d.Code = d.Code;
d.Delayed = +d.Delayed;
});
// Scale the range of the data in the domains
x.domain(newData.map(function(d) { return d.Code; }));
y.domain([0, d3.max(newData, function(d) { return d.Delayed; })]);
// Append rectangles for the bar chart
svg.selectAll(".bar")
.data(newData)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) { return x(d.Code); })
.attr("width", x.bandwidth())
.attr("y", function(d) { return y(d.Delayed); })
.attr("height", function(d) { return height - y(d.Delayed); });
// X Axis
svg.append("g")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x))
.selectAll("text")
.style("text-anchor", "middle")
.attr("dx", ".0em")
.style("font-size", "12px")
.attr("dy", ".75em");
// Y Axis
svg.append("g")
.call(d3.axisLeft(y));
// Make a title
svg.append("text")
.attr("x", (width / 2))
.attr("y", 0 - (margin.top / 2))
.attr("text-anchor", "middle")
.style("font-size", "20px")
.text("Number of Delayed Flights for " + targetLabel);
});
</script>
</body>
https://d3js.org/d3.v4.min.js