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Course Order #12

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9e9934b
Created file
dougpulse Aug 16, 2014
edb7032
Rename CourseRelationships.htm to CourseRelationships.md
dougpulse Aug 16, 2014
ce1603d
Rename CourseRelationships.md to CourseRelationships.htm
dougpulse Aug 16, 2014
c5b8dc3
Update other.md
dougpulse Aug 16, 2014
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126 changes: 126 additions & 0 deletions CourseRelationships.htm
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Original file line number Diff line number Diff line change
@@ -0,0 +1,126 @@


<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>Data Science Course Dependencies</title>
<style>
#chart {
height: 500px;
}

.node rect {
cursor: move;
fill-opacity: .9;
shape-rendering: crispEdges;
}

.node text {
pointer-events: none;
text-shadow: 0 1px 0 #fff;
}

.link {
fill: none;
stroke: #000;
stroke-opacity: .2;
}

.link:hover {
stroke-opacity: .5;
}

#chart svg {
background-color: #ffffee;
}
</style>
<body>

<header>
<h1>Data Science Course Dependencies</h1>
</header>

<p id="chart"></p>

<aside>Drag to rearrange nodes.</aside>

<aside>Thanks to Mike Bostock for the <a href="http://d3js.org/">d3 library</a> and Tom Counsell for the <a href="http://tamc.github.com/Sankey/">Sankey library</a>.</aside>


<script src="js/d3.v2.min.2.9.1.js"></script>
<script src="sankey.js"></script>
<script>

var margin = {top: 1, right: 1, bottom: 6, left: 1},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;

var format = function(d) { return d == 1 ? "Soft Requirement" : "Hard Requirement"; },
color = d3.scale.category20();

var svg = d3.select("#chart").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 + ")");

var sankey = d3.sankey()
.nodeWidth(15)
.nodePadding(10)
.size([width, height / 2]);

var path = sankey.link();

d3.json("DataScience2.json", function(ds) {
sankey
.nodes(ds.nodes)
.links(ds.links)
.layout(32);

var link = svg.append("g").selectAll(".link")
.data(ds.links)
.enter().append("path")
.attr("class", "link")
.attr("d", path)
.style("stroke-width", function(d) { return Math.max(1, d.dy); })
.sort(function(a, b) { return b.dy - a.dy; });

link.append("title")
.text(function(d) { return d.source.name + " → " + d.target.name + "\n" + format(d.value); });

var node = svg.append("g").selectAll(".node")
.data(ds.nodes)
.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
.call(d3.behavior.drag()
.origin(function(d) { return d; })
.on("dragstart", function() { this.parentNode.appendChild(this); })
.on("drag", dragmove));

node.append("rect")
.attr("height", function(d) { return d.dy; })
.attr("width", sankey.nodeWidth())
.style("fill", function(d) { return d.color = color(d.name.replace(/ .*/, "")); })
.style("stroke", function(d) { return d3.rgb(d.color).darker(2); })
.append("title")
.text(function(d) { return d.name + "\n"; });

node.append("text")
.attr("x", -6)
.attr("y", function(d) { return d.dy / 2; })
.attr("dy", ".35em")
.attr("text-anchor", "end")
.attr("transform", null)
.text(function(d) { return d.name; })
.filter(function(d) { return d.x < width / 2; })
.attr("x", 6 + sankey.nodeWidth())
.attr("text-anchor", "start");

function dragmove(d) {
d3.select(this).attr("transform", "translate(" + d.x + "," + (d.y = Math.max(0, Math.min(height - d.dy, d3.event.y))) + ")");
sankey.relayout();
link.attr("d", path);
}
});
</script>
6 changes: 6 additions & 0 deletions other.md
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Expand Up @@ -8,3 +8,9 @@ permalink: /other/

- [Installing xlsx and XML packages on Debian Wheezy](http://allanino.me/blog/programming/installing-some-r-packages/)
- [Windows batch file to work around RStudio startup issues](https://github.com/stepds/contrib-DataScienceSpecialization/blob/master/README.md)


## Course Order

- [Course Order](https://github.com/dougpulse/DataScienceSpecialization.github.io/blob/master/CourseRelationships.htm)
- [Course Order](https://dougpulse.com/DataScience.htm)