Dark orange is faculty-student ratio while light orange is faculty-major. Art History gets shortchanged because I don’t know the faculty-student ratio (it is lumped together with Art & Art History), but is again included for interest’s sake.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<style>
svg {
font: 10px sans-serif;
background: white;
display:block;
margin:0 auto;
}
button {
clear:right;
float:right;
}
.chart rect {
stroke: white;
}
.line {
fill:none;
stroke:#000;
stroke-width:1.5px;
}
.axis path, .axis line {
fill:none;
stroke:#000;
shape-rendering: crispEdges;
}
.grid {
fill:none;
stroke-width:0.5px;
stroke:#000;
opacity:0.2;
}
.ratio {
fill:#f2c180;
}
.fsratio {
fill:#f3a53d;
}
.students {
fill:#5cadf0;
}
.faculty {
fill:steelblue;
}
#wrap {
width:910px;
margin:0 auto;
}
</style>
</head>
<body>
<div id="wrap">
<button onClick="ascending()">↑</button>
<button onClick="descending()"s>↓</button>
</div>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var isAscending = 1;
d3.csv("data.csv", function(d) {
return {
dept: d.Department,
faculty: +d.Faculty,
students: +d.Students,
year: +d.Year,
fsratio: +d.FSRatio
};
}, function(error, rows) {
var margin = {top: 10, right: 40, bottom: 20, left: 40},
depth = 35,
width = 860 - margin.left - margin.right,
height = depth * rows.length + 30;
var vis = d3.select("#wrap").append("svg:svg")
.attr("class", "chart")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("svg:g")
.attr("transform","translate(" + margin.left + "," + margin.top + ")");
rows.forEach(function(d) {
d.ratio = d.students / d.faculty;
d.stuff = ["students", "faculty", "ratio", "fsratio"].map(function(name){ return {name: name, value: +d[name]}; });
});
rows.sort( function(a, b) {
a.ratio - b.ratio;
});
var x = d3.scale.linear()
.domain([0, d3.max(rows, function(d){ return d.students; })])
.range([0, width/2]);
var xpercent = d3.scale.linear()
.domain([0, d3.max(rows, function(d){ return d.ratio; })])
.range([width / 2, 0]);
var y0 = d3.scale.ordinal()
.domain(d3.range(rows.length))
.rangeBands([0, height], 0.2)
var y1 = d3.scale.ordinal()
.domain(d3.range(rows.length))
.range([0, y0.rangeBand()]);
function make_x_axis() {
return d3.svg.axis()
.scale(x)
.orient("bottom")
.ticks(8)
}
function make_xpercent_axis() {
return d3.svg.axis()
.scale(xpercent)
.orient("bottom")
.ticks(8)
}
vis.append("g")
.attr("class", "x axis")
.attr("transform", "translate("+ width/2+"," + margin.top + ")")
.call(make_x_axis().orient("top").ticks(5));
vis.append("g")
.attr("class", "x axis")
.attr("transform", "translate("+ width/2+"," + height + ")")
.call(make_x_axis().ticks(5));
vis.append("g")
.attr("class", "grid")
.attr("transform", "translate("+ width/2+"," + height + ")")
.call(make_x_axis().tickSize(margin.top-height, 0, 0).tickFormat(""));
vis.append("g")
.attr("class", "xpercent axis")
.attr("transform", "translate(0," + margin.top + ")")
.call(make_xpercent_axis().orient("top").ticks(5));
vis.append("g")
.attr("class", "xpercent axis")
.attr("transform", "translate(0," + height + ")")
.call(make_xpercent_axis().ticks(5));
vis.append("g")
.attr("class", "grid")
.attr("transform", "translate(0," + height + ")")
.call(make_xpercent_axis().tickSize(margin.top-height, 0, 0).tickFormat(""));
var departments = vis.selectAll("g.department")
.data(rows, function(d) { return d.dept; })
.enter().append("svg:g")
.attr("class",function(d){ return "department "+d.dept})
.attr("transform", function(d,i) { return "translate(0," + (33 + i * depth) + ")";});
var rects = departments.selectAll("rect")
.data(function(d){return d.stuff;})
.enter().append("rect")
.attr("class", function(d){ return d.name; })
.attr("x", function(d) {
if (d.name == "ratio" || d.name == "fsratio")
return xpercent(d.value);
return width/2;})
.attr("y", function(d, i){
return (i%2) * 11;
})
.attr("width", function(d) {
if (d.name == "ratio" || d.name == "fsratio")
return width/2 - xpercent(d.value);
return x(d.value);
})
.attr("height", 10)
.on("click", function(d){ rearrange(d);});
var rearrange = function(d) {
departments.sort(function(a, b){ return isAscending * (b[d.name] - a[d.name]); });
departments.transition(departments)
.duration(750)
.delay(function(d, i){ return (i * 20);})
.attr("transform", function(d, i) { return "translate(0," + (33 + i * 35) + ")"; });
//rects.on("click", function(d){ rebrrange(d);});
};
var rebrrange = function(d) {
departments.sort(function(a, b){ return a[d.name] - b[d.name]; });
departments.transition(departments)
.duration(750)
.delay(function(d, i){ return i * 20;})
.attr("transform", function(d, i) { return "translate(0," + (33 + i * 35) + ")"; });
// rects.on("click", function(d){ rearrange(d);});
};
rects.append("text")
.attr("x",0)
.attr("y",0)
.attr("dy","-2.5em")
.style("text-anchor","end")
.text(function(d){return "hello, world"; });
departments.append("text")
.attr("x", width/2)
.attr("y", 0)
.attr("dy","-.25em")
.style("text-anchor","end")
.text(function(d){return d.dept;});
}
);
function ascending() {
isAscending = 1;
}
function descending() {
isAscending = -1;
}
</script>
</body>
</html>
Department,Faculty,Students,FSRatio
Business,13,518,17.4
Education,14,473,10.3
Political Science,4,111,11.7
Social Work,4,100,13.0
Engineering,15,372,12.0
Communication Arts & Sciences,17,388,16.0
Nursing,13,272,5.8
Psychology,11,217,17.5
Biology,18,287,16.6
Computer Science,7,109,16.4
Kinesiology,16,200,16.0
Spanish,12,138,12.1
Chemistry and Biochemistry,13,135,19.4
English,22,202,12.5
Geo,8,72,15.9
German and Asian Languages,7,58,9.9
Art and Art History,10,74,10.0
Sociology,6,43,18.2
Mathematics and Statistics,12,82,18.6
History,14,89,17.5
French,4,25,10.7
Philosophy,12,74,16.4
Classical Languages,4,21,11.3
Music,13,59,7.7
Economics,8,36,17.1
Physics,7,30,17.9
Religion,13,49,15.9
Art History,3,8,0