|
|
|
|
<!DOCTYPE html>
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<script type = "text/javascript" src = "https://d3js.org/d3.v4.min.js"></script>
|
|
|
|
|
<style>
|
|
|
|
|
.line {
|
|
|
|
|
fill: none;
|
|
|
|
|
stroke: green;
|
|
|
|
|
stroke-width: 5px;
|
|
|
|
|
}
|
|
|
|
|
</style>
|
|
|
|
|
</head>
|
|
|
|
|
|
|
|
|
|
<body>
|
|
|
|
|
<script>
|
|
|
|
|
// set the dimensions and margins of the graph
|
|
|
|
|
var margin = {top: 20, right: 20, bottom: 30, left: 50},
|
|
|
|
|
width = 960 - margin.left - margin.right,
|
|
|
|
|
height = 500 - margin.top - margin.bottom;
|
|
|
|
|
|
|
|
|
|
// set the ranges
|
|
|
|
|
var x = d3.scaleTime().range([0, width]);
|
|
|
|
|
var y = d3.scaleLinear().range([height, 0]);
|
|
|
|
|
|
|
|
|
|
// define the line
|
|
|
|
|
var valueline = d3.line()
|
|
|
|
|
.x(function(d) { return x(d.month); })
|
|
|
|
|
.y(function(d) { return y(d.amt); });
|
|
|
|
|
|
|
|
|
|
// append the svg obgect to the body of the page
|
|
|
|
|
// appends a 'group' element to 'svg'
|
|
|
|
|
// moves the 'group' element 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 the data from csv
|
|
|
|
|
d3.csv("expensestrend.csv", function(error, data) {
|
|
|
|
|
if (error) throw error;
|
|
|
|
|
// format the data
|
|
|
|
|
data.forEach(function(d) {
|
|
|
|
|
d.month = d.month;
|
|
|
|
|
d.amt = +d.amt;
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
// Scale the range of the data
|
|
|
|
|
x.domain(d3.extent(data, function(d) { return d.month; }));
|
|
|
|
|
y.domain([0, d3.max(data, function(d) { return d.amt; })]);
|
|
|
|
|
|
|
|
|
|
// Add the valueline path.
|
|
|
|
|
svg.append("path")
|
|
|
|
|
.data([data])
|
|
|
|
|
.attr("class", "line")
|
|
|
|
|
.attr("d", valueline);
|
|
|
|
|
|
|
|
|
|
// Add the X Axis
|
|
|
|
|
svg.append("g")
|
|
|
|
|
.attr("transform", "translate(0," + height + ")")
|
|
|
|
|
.call(d3.axisBottom(x));
|
|
|
|
|
|
|
|
|
|
// Add the Y Axis
|
|
|
|
|
svg.append("g")
|
|
|
|
|
.call(d3.axisLeft(y));
|
|
|
|
|
});
|
|
|
|
|
</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
