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BG_Slopechart_index.html #4

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78 changes: 76 additions & 2 deletions index.html
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Original file line number Diff line number Diff line change
@@ -1,6 +1,80 @@
<script src="https://d3js.org/d3.v5.min.js"></script>

<html>
<body>
<h1 id="welcome">Comp Sci Grad Students</h1>
<script>
console.log(d3); // test if d3 is loaded
// Insert slopegraph here

var margin = ({top: 50, left: 50, right: 50, bottom: 50});
//printChart: produces and displays a graph
function printChart(){
//console.log("now printgraph is running!");
console.log(d3);
var printNums=new Array();
//Generates random numbers for the bars in the bar charts
d3.csv( "wpi-cs-grads.csv").then(function(data) {
data.forEach(function(d) {
d.Total= +d.Total;
d.FT = +d.FT;
d.PT = +d.PT;
d.MS = +d.MS;
d.PhD = +d.PhD;
console.log(d);
});


//sets up the axes
var slopeChart = d3.select("body").append('svg')
.attr("width", 400)
.attr("height", 400)
.attr("x", 50)
.attr("y", 100);

var xAxisScale=d3.scaleBand()
.domain(data.map(function(d,i){return d.Timespan;}))
.range([0,300]);

var xAx=d3.axisBottom()
.tickSize(0)
.scale(xAxisScale)
.tickValues(data.Timespan)
.tickSize([-400]);
var yAxisScale=d3.scaleLinear()
.domain([0,200])
.range([300,0]);
var yAx=d3.axisLeft()
.tickSize(0)
.scale(yAxisScale);

xGroup = slopeChart.append('g')
.attr("transform", `translate(${margin.left},${400 - margin.bottom})`)
.call(xAx);
yGroup = slopeChart.append('g')
.attr( "transform", `translate(${margin.left},${margin.top})`)
.call(yAx);

//appends actual bars
slopeChart.selectAll("circle")
.data(data)
.enter().append("circle")
.attr("cx", function(d,i){return xAxisScale(d.Timespan)+margin.left+30;})
.attr("cy", function(d, i){return 350-d.Total;})
.attr("fill", "blue")
.attr("r", 3);
console.log(data);
slopeChart.selectAll("line")
.data(data)
.enter().append("line")
.attr("x1", function(d,i){return xAxisScale(d.Timespan)+margin.left+30;})
.attr("y1", function(d, i){return 350-d.Total;})
.attr("x2", function(d,i){return xAxisScale(data[i+1].Timespan)+margin.left+30;})
.attr("y2", function(d,i){return 350-d[i+1].Total;})
.attr("fill", "blue")
.attr("r", 3);
});
}
printChart();

</script>
</body>
</html>