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data-science-cluster-tree
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data-science-cluster-tree
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Data Science Course Mapping</title>
<style>
.node {
cursor: pointer;
}
.node circle {
fill: #ff9999;
stroke: #DC143C;
stroke-width: 7px;
}
.node text {
font: 20px sans-serif;
}
.link {
fill: none;
stroke: #ccc;
stroke-width: 3px;
}
</style>
</head>
<body>
<!-- load the d3.js library -->
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var treeData = [
{
"name": "Data Science",
"parent": "null",
"children": [
{
"name": "Application",
"parent": "Data Science",
"children": [
{
"name": "ANTHRO 169A - Data Analysis and Computational Methods",
"parent": "Application"
},
{
"name": "CIV ENG 93 - Engineering Data Analysis",
"parent": "Application"
},
{
"name": "ECON 141 - Econometric Analysis",
"parent": "Application"
},
{
"name": "ENGIN 170 - Introduction to Modeling and Simulation",
"parent": "Application"
},
{
"name": "ESPM 173 - Introduction to Ecological Data Analysis",
"parent": "Application"
},
{
"name": "ESPM C177 - GIS and Environmental Spatial Data Analysis",
"parent": "Application"
},
{
"name": "PSYCH 10 - Research and Data Analysis in Psychology",
"parent": "Application"
},
{
"name": "PB HLTH 140 - Introduction to Risk and Demographic Statistics",
"parent": "Application"
},
{
"name": "PB HLTH 141 - Introduction to Biostatistics",
"parent": "Application"
}
]
},
{
"name": "Theory",
"parent": "Data Science",
"children": [
{
"name": "COMPSCI 194-16 - Introduction to Data Science",
"parent": "Theory"
},
{
"name": "COMPSCI 189 - Introduction to Machine Learning",
"parent": "Theory"
},
{
"name": "COMPSCI 186 - Introduction to Database Systems",
"parent": "Theory"
},
{
"name": "COMPSCI C8 - Foundations of Data Science",
"parent": "Theory"
},
{
"name": "IND ENG 115 - Databases",
"parent": "Theory"
},
{
"name": "IEOR 231 - Introduction to Data Modeling, Statistics, and System Simulation",
"parent": "Theory"
},
{
"name": "STAT 134 - Concepts of Probability",
"parent": "Theory"
},
{
"name": "STAT 154 - Modern Statistical Prediction and Machine Learning",
"parent": "Theory"
},
{
"name": "STAT 133 - Concepts of Computing with Data",
"parent": "Theory"
},
{
"name": "STAT 159 - Reproducible and Collaborative Data Science",
"parent": "Theory"
}
]
},
{
"name": "Critical Thinking",
"parent": "Data Science",
"children": [
{
"name": "INFO 290 - Research Seminary in Exploratory Data Analysis",
"parent": "Critical Thinking"
},
{
"name": "SOC 7 - The Power of Numbers: Quantitative Data in Social Sciences",
"parent": "Critical Thinking"
}
]
},
{
"name": "Analytics",
"parent": "Data Science",
"children": [
{
"name": "INFO 290T - Data Mining and Analytics in Intelligent Business Services",
"parent": "Application"
},
{
"name": "UGBA 104 - Analytic Decision Modeling Using Spreadsheets",
"parent": "Application"
},
{
"name": "UGBA 161 - Marketing Research: Tools and Techniques for Data Collection and Analysis",
"parent": "Application"
}
]
}
]
}
];
// ************** Generate the tree diagram *****************
var margin = {top: 20, right: 120, bottom: 20, left: 200},
width = 1500 - margin.right - margin.left,
height = 800 - margin.top - margin.bottom;
var i = 0,
duration = 750,
root;
var tree = d3.layout.tree()
.size([height, width]);
var diagonal = d3.svg.diagonal()
.projection(function(d) { return [d.y, d.x]; });
var svg = d3.select("body").append("svg")
.attr("width", width + margin.right + margin.left)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
root = treeData[0];
root.x0 = height / 2;
root.y0 = 0;
update(root);
d3.select(self.frameElement).style("height", "500px");
function update(source) {
// Compute the new tree layout.
var nodes = tree.nodes(root).reverse(),
links = tree.links(nodes);
// Normalize for fixed-depth.
nodes.forEach(function(d) { d.y = d.depth * 180; });
// Update the nodes…
var node = svg.selectAll("g.node")
.data(nodes, function(d) { return d.id || (d.id = ++i); });
// Enter any new nodes at the parent's previous position.
var nodeEnter = node.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
.on("click", click);
nodeEnter.append("circle")
.attr("r", 1e-6)
.style("fill", function(d) { return d._children ? "#f1baa7" : "#fff"; });
nodeEnter.append("text")
.attr("x", function(d) { return d.children || d._children ? -25 : 25; })
.attr("dy", ".35em")
.attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
.text(function(d) { return d.name; })
.style("fill-opacity", 1e-6);
// Transition nodes to their new position.
var nodeUpdate = node.transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
nodeUpdate.select("circle")
.attr("r", 15)
.style("fill", function(d) { return d._children ? "#f1baa7" : "#fff"; });
nodeUpdate.select("text")
.style("fill-opacity", 1);
// Transition exiting nodes to the parent's new position.
var nodeExit = node.exit().transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
.remove();
nodeExit.select("circle")
.attr("r", 1e-6);
nodeExit.select("text")
.style("fill-opacity", 1e-6);
// Update the links…
var link = svg.selectAll("path.link")
.data(links, function(d) { return d.target.id; });
// Enter any new links at the parent's previous position.
link.enter().insert("path", "g")
.attr("class", "link")
.attr("d", function(d) {
var o = {x: source.x0, y: source.y0};
return diagonal({source: o, target: o});
});
// Transition links to their new position.
link.transition()
.duration(duration)
.attr("d", diagonal);
// Transition exiting nodes to the parent's new position.
link.exit().transition()
.duration(duration)
.attr("d", function(d) {
var o = {x: source.x, y: source.y};
return diagonal({source: o, target: o});
})
.remove();
// Stash the old positions for transition.
nodes.forEach(function(d) {
d.x0 = d.x;
d.y0 = d.y;
});
}
// Toggle children on click.
function click(d) {
if (d.children) {
d._children = d.children;
d.children = null;
} else {
d.children = d._children;
d._children = null;
}
update(d);
}
</script>
</body>
</html>