timelyportfolio/README.md

## README.md

      
    Raw
  

              README.md
            
          
    ##Fork of Mike Bostock's original force-directed example.
This fork uses an ugly csv which unfortunately is just a fact of life in my world.  JSON is highly recommended unless it is unavailable.
##Original readme.md is below and does a very nice job of explaining the graph.
This simple force-directed graph shows character co-occurence in Les Misérables. A physical simulation of charged particles and springs places related characters in closer proximity, while unrelated characters are farther apart. Layout algorithm inspired by Tim Dwyer and Thomas Jakobsen. Data based on character coappearence in Victor Hugo's Les Misérables, compiled by Donald Knuth.

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>

.node {
  stroke: #fff;
  stroke-width: 1.5px;
}

.link {
  stroke: #999;
  stroke-opacity: .6;
}

</style>
<body>
<script src="http://d3js.org/d3.v3.js"></script>
<script>

    var width = 960,
        height = 500;

    var color = d3.scale.category20();

    var force = d3.layout.force()
        .charge(-120)
        .linkDistance(30)
        .size([width, height]);

    var svg = d3.select("body").append("svg")
        .attr("width", width)
        .attr("height", height);

    d3.csv("les_mis.csv", function (error, data) {
        //set up graph in same style as original example but empty
        graph = { "nodes": [], "links": [] };

        //loop through each link record from the csv data
        //add to the nodes each source and target; we'll reduce to unique values later
        //add to the links each source, target record with the value (if desired, multiple value fields can be added)
        data.forEach(function (d) {
            graph.nodes.push({ "name": d.source, "group": +d.groupsource });
            graph.nodes.push({ "name": d.target, "group": +d.grouptarget });

            graph.links.push({ "source": d.source, "target": d.target, "value": +d.value });
        });

        //use this as temporary holding while we manipulate graph.nodes
        //this will contain a map object containing an object for each node
        //within each node object there will be a child object for each instance that node appear
        //however, using rollup we can eliminate this duplication
        var nodesmap = d3.nest()
                            .key(function (d) { return d.name; })
                            .rollup(function (d) { return { "name": d[0].name, "group": d[0].group }; })
                            .map(graph.nodes);

        //thanks Mike Bostock https://groups.google.com/d/msg/d3-js/pl297cFtIQk/Eso4q_eBu1IJ
        //this handy little function returns only the distinct / unique nodes
        graph.nodes = d3.keys(d3.nest()
                             .key(function (d) { return d.name; })
                             .map(graph.nodes));


        //it appears d3 with force layout wants a numeric source and target
        //so loop through each link replacing the text with its index from node
        graph.links.forEach(function (d, i) {
            graph.links[i].source = graph.nodes.indexOf(graph.links[i].source);
            graph.links[i].target = graph.nodes.indexOf(graph.links[i].target);
        });

        //this is not in the least bit pretty
        //will get graph.nodes in its final useable form
        //loop through each unique node and replace with an object with same numeric key and name/group as properties
        //that will come from the nodesmap that we defined earlier
        graph.nodes.forEach(function (d,i) { graph.nodes[i]={ "name": nodesmap[d].name, "group": nodesmap[d].group }; })


        force
          .nodes(graph.nodes)
          .links(graph.links)
          .start();

        var link = svg.selectAll(".link")
          .data(graph.links)
        .enter().append("line")
          .attr("class", "link")
          .style("stroke-width", function (d) { return Math.sqrt(d.value); });

        var node = svg.selectAll(".node")
          .data(graph.nodes)
        .enter().append("circle")
          .attr("class", "node")
          .attr("r", 5)
          .style("fill", function (d) { return color(d.group); })
          .call(force.drag);

        node.append("title")
          .text(function (d) { return d.name; });

        force.on("tick", function () {
            link.attr("x1", function (d) { return d.source.x; })
            .attr("y1", function (d) { return d.source.y; })
            .attr("x2", function (d) { return d.target.x; })
            .attr("y2", function (d) { return d.target.y; });

            node.attr("cx", function (d) { return d.x; })
            .attr("cy", function (d) { return d.y; });
        });
    });

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

## les_mis.csv

          
            source
            target
            value
            groupsource
            grouptarget

            
              Napoleon
              Myriel
              1
              1
              1

            
              Mlle.Baptistine
              Myriel
              8
              1
              1

            
              Mme.Magloire
              Myriel
              10
              1
              1

            
              Mme.Magloire
              Mlle.Baptistine
              6
              1
              1

            
              CountessdeLo
              Myriel
              1
              1
              1

            
              Geborand
              Myriel
              1
              1
              1

            
              Champtercier
              Myriel
              1
              1
              1

            
              Cravatte
              Myriel
              1
              1
              1

            
              Count
              Myriel
              2
              1
              1

            
              OldMan
              Myriel
              1
              1
              1

            
              Valjean
              Labarre
              1
              2
              2

            
              Valjean
              Mme.Magloire
              3
              2
              1

            
              Valjean
              Mlle.Baptistine
              3
              2
              1

            
              Valjean
              Myriel
              5
              2
              1

            
              Marguerite
              Valjean
              1
              3
              2

            
              Mme.deR
              Valjean
              1
              2
              2

            
              Isabeau
              Valjean
              1
              2
              2

            
              Gervais
              Valjean
              1
              2
              2

            
              Listolier
              Tholomyes
              4
              3
              3

            
              Fameuil
              Tholomyes
              4
              3
              3

            
              Fameuil
              Listolier
              4
              3
              3

            
              Blacheville
              Tholomyes
              4
              3
              3

            
              Blacheville
              Listolier
              4
              3
              3

            
              Blacheville
              Fameuil
              4
              3
              3

            
              Favourite
              Tholomyes
              3
              3
              3

            
              Favourite
              Listolier
              3
              3
              3

            
              Favourite
              Fameuil
              3
              3
              3

            
              Favourite
              Blacheville
              4
              3
              3

            
              Dahlia
              Tholomyes
              3
              3
              3

            
              Dahlia
              Listolier
              3
              3
              3

            
              Dahlia
              Fameuil
              3
              3
              3

            
              Dahlia
              Blacheville
              3
              3
              3

            
              Dahlia
              Favourite
              5
              3
              3

            
              Zephine
              Tholomyes
              3
              3
              3

            
              Zephine
              Listolier
              3
              3
              3

            
              Zephine
              Fameuil
              3
              3
              3

            
              Zephine
              Blacheville
              3
              3
              3

            
              Zephine
              Favourite
              4
              3
              3

            
              Zephine
              Dahlia
              4
              3
              3

            
              Fantine
              Tholomyes
              3
              3
              3

            
              Fantine
              Listolier
              3
              3
              3

            
              Fantine
              Fameuil
              3
              3
              3

            
              Fantine
              Blacheville
              3
              3
              3

            
              Fantine
              Favourite
              4
              3
              3

            
              Fantine
              Dahlia
              4
              3
              3

            
              Fantine
              Zephine
              4
              3
              3

            
              Fantine
              Marguerite
              2
              3
              3

            
              Fantine
              Valjean
              9
              3
              2

            
              Mme.Thenardier
              Fantine
              2
              4
              3

            
              Mme.Thenardier
              Valjean
              7
              4
              2

            
              Thenardier
              Mme.Thenardier
              13
              4
              4

            
              Thenardier
              Fantine
              1
              4
              3

            
              Thenardier
              Valjean
              12
              4
              2

            
              Cosette
              Mme.Thenardier
              4
              5
              4

            
              Cosette
              Valjean
              31
              5
              2

            
              Cosette
              Tholomyes
              1
              5
              3

            
              Cosette
              Thenardier
              1
              5
              4

            
              Javert
              Valjean
              17
              4
              2

            
              Javert
              Fantine
              5
              4
              3

            
              Javert
              Thenardier
              5
              4
              4

            
              Javert
              Mme.Thenardier
              1
              4
              4

            
              Javert
              Cosette
              1
              4
              5

            
              Fauchelevent
              Valjean
              8
              0
              2

            
              Fauchelevent
              Javert
              1
              0
              4

            
              Bamatabois
              Fantine
              1
              2
              3

            
              Bamatabois
              Javert
              1
              2
              4

            
              Bamatabois
              Valjean
              2
              2
              2

            
              Perpetue
              Fantine
              1
              3
              3

            
              Simplice
              Perpetue
              2
              2
              3

            
              Simplice
              Valjean
              3
              2
              2

            
              Simplice
              Fantine
              2
              2
              3

            
              Simplice
              Javert
              1
              2
              4

            
              Scaufflaire
              Valjean
              1
              2
              2

            
              Woman1
              Valjean
              2
              2
              2

            
              Woman1
              Javert
              1
              2
              4

            
              Judge
              Valjean
              3
              2
              2

            
              Judge
              Bamatabois
              2
              2
              2

            
              Champmathieu
              Valjean
              3
              2
              2

            
              Champmathieu
              Judge
              3
              2
              2

            
              Champmathieu
              Bamatabois
              2
              2
              2

            
              Brevet
              Judge
              2
              2
              2

            
              Brevet
              Champmathieu
              2
              2
              2

            
              Brevet
              Valjean
              2
              2
              2

            
              Brevet
              Bamatabois
              1
              2
              2

            
              Chenildieu
              Judge
              2
              2
              2

            
              Chenildieu
              Champmathieu
              2
              2
              2

            
              Chenildieu
              Brevet
              2
              2
              2

            
              Chenildieu
              Valjean
              2
              2
              2

            
              Chenildieu
              Bamatabois
              1
              2
              2

            
              Cochepaille
              Judge
              2
              2
              2

            
              Cochepaille
              Champmathieu
              2
              2
              2

            
              Cochepaille
              Brevet
              2
              2
              2

            
              Cochepaille
              Chenildieu
              2
              2
              2

            
              Cochepaille
              Valjean
              2
              2
              2

            
              Cochepaille
              Bamatabois
              1
              2
              2

            
              Pontmercy
              Thenardier
              1
              4
              4

            
              Boulatruelle
              Thenardier
              1
              6
              4

            
              Eponine
              Mme.Thenardier
              2
              4
              4

            
              Eponine
              Thenardier
              3
              4
              4

            
              Anzelma
              Eponine
              2
              4
              4

            
              Anzelma
              Thenardier
              2
              4
              4

            
              Anzelma
              Mme.Thenardier
              1
              4
              4

            
              Woman2
              Valjean
              3
              5
              2

            
              Woman2
              Cosette
              1
              5
              5

            
              Woman2
              Javert
              1
              5
              4

            
              MotherInnocent
              Fauchelevent
              3
              0
              0

            
              MotherInnocent
              Valjean
              1
              0
              2

            
              Gribier
              Fauchelevent
              2
              0
              0

            
              Mme.Burgon
              Jondrette
              1
              7
              7

            
              Gavroche
              Mme.Burgon
              2
              8
              7

            
              Gavroche
              Thenardier
              1
              8
              4

            
              Gavroche
              Javert
              1
              8
              4

            
              Gavroche
              Valjean
              1
              8
              2

            
              Gillenormand
              Cosette
              3
              5
              5

            
              Gillenormand
              Valjean
              2
              5
              2

            
              Magnon
              Gillenormand
              1
              5
              5

            
              Magnon
              Mme.Thenardier
              1
              5
              4

            
              Mlle.Gillenormand
              Gillenormand
              9
              5
              5

            
              Mlle.Gillenormand
              Cosette
              2
              5
              5

            
              Mlle.Gillenormand
              Valjean
              2
              5
              2

            
              Mme.Pontmercy
              Mlle.Gillenormand
              1
              5
              5

            
              Mme.Pontmercy
              Pontmercy
              1
              5
              4

            
              Mlle.Vaubois
              Mlle.Gillenormand
              1
              5
              5

            
              Lt.Gillenormand
              Mlle.Gillenormand
              2
              5
              5

            
              Lt.Gillenormand
              Gillenormand
              1
              5
              5

            
              Lt.Gillenormand
              Cosette
              1
              5
              5

            
              Marius
              Mlle.Gillenormand
              6
              8
              5

            
              Marius
              Gillenormand
              12
              8
              5

            
              Marius
              Pontmercy
              1
              8
              4

            
              Marius
              Lt.Gillenormand
              1
              8
              5

            
              Marius
              Cosette
              21
              8
              5

            
              Marius
              Valjean
              19
              8
              2

            
              Marius
              Tholomyes
              1
              8
              3

            
              Marius
              Thenardier
              2
              8
              4

            
              Marius
              Eponine
              5
              8
              4

            
              Marius
              Gavroche
              4
              8
              8

            
              BaronessT
              Gillenormand
              1
              5
              5

            
              BaronessT
              Marius
              1
              5
              8

            
              Mabeuf
              Marius
              1
              8
              8

            
              Mabeuf
              Eponine
              1
              8
              4

            
              Mabeuf
              Gavroche
              1
              8
              8

            
              Enjolras
              Marius
              7
              8
              8

            
              Enjolras
              Gavroche
              7
              8
              8

            
              Enjolras
              Javert
              6
              8
              4

            
              Enjolras
              Mabeuf
              1
              8
              8

            
              Enjolras
              Valjean
              4
              8
              2

            
              Combeferre
              Enjolras
              15
              8
              8

            
              Combeferre
              Marius
              5
              8
              8

            
              Combeferre
              Gavroche
              6
              8
              8

            
              Combeferre
              Mabeuf
              2
              8
              8

            
              Prouvaire
              Gavroche
              1
              8
              8

            
              Prouvaire
              Enjolras
              4
              8
              8

            
              Prouvaire
              Combeferre
              2
              8
              8

            
              Feuilly
              Gavroche
              2
              8
              8

            
              Feuilly
              Enjolras
              6
              8
              8

            
              Feuilly
              Prouvaire
              2
              8
              8

            
              Feuilly
              Combeferre
              5
              8
              8

            
              Feuilly
              Mabeuf
              1
              8
              8

            
              Feuilly
              Marius
              1
              8
              8

            
              Courfeyrac
              Marius
              9
              8
              8

            
              Courfeyrac
              Enjolras
              17
              8
              8

            
              Courfeyrac
              Combeferre
              13
              8
              8

            
              Courfeyrac
              Gavroche
              7
              8
              8

            
              Courfeyrac
              Mabeuf
              2
              8
              8

            
              Courfeyrac
              Eponine
              1
              8
              4

            
              Courfeyrac
              Feuilly
              6
              8
              8

            
              Courfeyrac
              Prouvaire
              3
              8
              8

            
              Bahorel
              Combeferre
              5
              8
              8

            
              Bahorel
              Gavroche
              5
              8
              8

            
              Bahorel
              Courfeyrac
              6
              8
              8

            
              Bahorel
              Mabeuf
              2
              8
              8

            
              Bahorel
              Enjolras
              4
              8
              8

            
              Bahorel
              Feuilly
              3
              8
              8

            
              Bahorel
              Prouvaire
              2
              8
              8

            
              Bahorel
              Marius
              1
              8
              8

            
              Bossuet
              Marius
              5
              8
              8

            
              Bossuet
              Courfeyrac
              12
              8
              8

            
              Bossuet
              Gavroche
              5
              8
              8

            
              Bossuet
              Bahorel
              4
              8
              8

            
              Bossuet
              Enjolras
              10
              8
              8

            
              Bossuet
              Feuilly
              6
              8
              8

            
              Bossuet
              Prouvaire
              2
              8
              8

            
              Bossuet
              Combeferre
              9
              8
              8

            
              Bossuet
              Mabeuf
              1
              8
              8

            
              Bossuet
              Valjean
              1
              8
              2

            
              Joly
              Bahorel
              5
              8
              8

            
              Joly
              Bossuet
              7
              8
              8

            
              Joly
              Gavroche
              3
              8
              8

            
              Joly
              Courfeyrac
              5
              8
              8

            
              Joly
              Enjolras
              5
              8
              8

            
              Joly
              Feuilly
              5
              8
              8

            
              Joly
              Prouvaire
              2
              8
              8

            
              Joly
              Combeferre
              5
              8
              8

            
              Joly
              Mabeuf
              1
              8
              8

            
              Joly
              Marius
              2
              8
              8

            
              Grantaire
              Bossuet
              3
              8
              8

            
              Grantaire
              Enjolras
              3
              8
              8

            
              Grantaire
              Combeferre
              1
              8
              8

            
              Grantaire
              Courfeyrac
              2
              8
              8

            
              Grantaire
              Joly
              2
              8
              8

            
              Grantaire
              Gavroche
              1
              8
              8

            
              Grantaire
              Bahorel
              1
              8
              8

            
              Grantaire
              Feuilly
              1
              8
              8

            
              Grantaire
              Prouvaire
              1
              8
              8

            
              MotherPlutarch
              Mabeuf
              3
              9
              8

            
              Gueulemer
              Thenardier
              5
              4
              4

            
              Gueulemer
              Valjean
              1
              4
              2

            
              Gueulemer
              Mme.Thenardier
              1
              4
              4

            
              Gueulemer
              Javert
              1
              4
              4

            
              Gueulemer
              Gavroche
              1
              4
              8

            
              Gueulemer
              Eponine
              1
              4
              4

            
              Babet
              Thenardier
              6
              4
              4

            
              Babet
              Gueulemer
              6
              4
              4

            
              Babet
              Valjean
              1
              4
              2

            
              Babet
              Mme.Thenardier
              1
              4
              4

            
              Babet
              Javert
              2
              4
              4

            
              Babet
              Gavroche
              1
              4
              8

            
              Babet
              Eponine
              1
              4
              4

            
              Claquesous
              Thenardier
              4
              4
              4

            
              Claquesous
              Babet
              4
              4
              4

            
              Claquesous
              Gueulemer
              4
              4
              4

            
              Claquesous
              Valjean
              1
              4
              2

            
              Claquesous
              Mme.Thenardier
              1
              4
              4

            
              Claquesous
              Javert
              1
              4
              4

            
              Claquesous
              Eponine
              1
              4
              4

            
              Claquesous
              Enjolras
              1
              4
              8

            
              Montparnasse
              Javert
              1
              4
              4

            
              Montparnasse
              Babet
              2
              4
              4

            
              Montparnasse
              Gueulemer
              2
              4
              4

            
              Montparnasse
              Claquesous
              2
              4
              4

            
              Montparnasse
              Valjean
              1
              4
              2

            
              Montparnasse
              Gavroche
              1
              4
              8

            
              Montparnasse
              Eponine
              1
              4
              4

            
              Montparnasse
              Thenardier
              1
              4
              4

            
              Toussaint
              Cosette
              2
              5
              5

            
              Toussaint
              Javert
              1
              5
              4

            
              Toussaint
              Valjean
              1
              5
              2

            
              Child1
              Gavroche
              2
              10
              8

            
              Child2
              Gavroche
              2
              10
              8

            
              Child2
              Child1
              3
              10
              10

            
              Brujon
              Babet
              3
              4
              4

            
              Brujon
              Gueulemer
              3
              4
              4

            
              Brujon
              Thenardier
              3
              4
              4

            
              Brujon
              Gavroche
              1
              4
              8

            
              Brujon
              Eponine
              1
              4
              4

            
              Brujon
              Claquesous
              1
              4
              4

            
              Brujon
              Montparnasse
              1
              4
              4

            
              Mme.Hucheloup
              Bossuet
              1
              8
              8

            
              Mme.Hucheloup
              Joly
              1
              8
              8

            
              Mme.Hucheloup
              Grantaire
              1
              8
              8

            
              Mme.Hucheloup
              Bahorel
              1
              8
              8

            
              Mme.Hucheloup
              Courfeyrac
              1
              8
              8

            
              Mme.Hucheloup
              Gavroche
              1
              8
              8

            
              Mme.Hucheloup
              Enjolras
              1
              8
              8

## miserables.json
{
  "nodes":[
    {"name":"Myriel","group":1},
    {"name":"Napoleon","group":1},
    {"name":"Mlle.Baptistine","group":1},
    {"name":"Mme.Magloire","group":1},
    {"name":"CountessdeLo","group":1},
    {"name":"Geborand","group":1},
    {"name":"Champtercier","group":1},
    {"name":"Cravatte","group":1},
    {"name":"Count","group":1},
    {"name":"OldMan","group":1},
    {"name":"Labarre","group":2},
    {"name":"Valjean","group":2},
    {"name":"Marguerite","group":3},
    {"name":"Mme.deR","group":2},
    {"name":"Isabeau","group":2},
    {"name":"Gervais","group":2},
    {"name":"Tholomyes","group":3},
    {"name":"Listolier","group":3},
    {"name":"Fameuil","group":3},
    {"name":"Blacheville","group":3},
    {"name":"Favourite","group":3},
    {"name":"Dahlia","group":3},
    {"name":"Zephine","group":3},
    {"name":"Fantine","group":3},
    {"name":"Mme.Thenardier","group":4},
    {"name":"Thenardier","group":4},
    {"name":"Cosette","group":5},
    {"name":"Javert","group":4},
    {"name":"Fauchelevent","group":0},
    {"name":"Bamatabois","group":2},
    {"name":"Perpetue","group":3},
    {"name":"Simplice","group":2},
    {"name":"Scaufflaire","group":2},
    {"name":"Woman1","group":2},
    {"name":"Judge","group":2},
    {"name":"Champmathieu","group":2},
    {"name":"Brevet","group":2},
    {"name":"Chenildieu","group":2},
    {"name":"Cochepaille","group":2},
    {"name":"Pontmercy","group":4},
    {"name":"Boulatruelle","group":6},
    {"name":"Eponine","group":4},
    {"name":"Anzelma","group":4},
    {"name":"Woman2","group":5},
    {"name":"MotherInnocent","group":0},
    {"name":"Gribier","group":0},
    {"name":"Jondrette","group":7},
    {"name":"Mme.Burgon","group":7},
    {"name":"Gavroche","group":8},
    {"name":"Gillenormand","group":5},
    {"name":"Magnon","group":5},
    {"name":"Mlle.Gillenormand","group":5},
    {"name":"Mme.Pontmercy","group":5},
    {"name":"Mlle.Vaubois","group":5},
    {"name":"Lt.Gillenormand","group":5},
    {"name":"Marius","group":8},
    {"name":"BaronessT","group":5},
    {"name":"Mabeuf","group":8},
    {"name":"Enjolras","group":8},
    {"name":"Combeferre","group":8},
    {"name":"Prouvaire","group":8},
    {"name":"Feuilly","group":8},
    {"name":"Courfeyrac","group":8},
    {"name":"Bahorel","group":8},
    {"name":"Bossuet","group":8},
    {"name":"Joly","group":8},
    {"name":"Grantaire","group":8},
    {"name":"MotherPlutarch","group":9},
    {"name":"Gueulemer","group":4},
    {"name":"Babet","group":4},
    {"name":"Claquesous","group":4},
    {"name":"Montparnasse","group":4},
    {"name":"Toussaint","group":5},
    {"name":"Child1","group":10},
    {"name":"Child2","group":10},
    {"name":"Brujon","group":4},
    {"name":"Mme.Hucheloup","group":8}
  ],
  "links":[
    {"source":1,"target":0,"value":1},
    {"source":2,"target":0,"value":8},
    {"source":3,"target":0,"value":10},
    {"source":3,"target":2,"value":6},
    {"source":4,"target":0,"value":1},
    {"source":5,"target":0,"value":1},
    {"source":6,"target":0,"value":1},
    {"source":7,"target":0,"value":1},
    {"source":8,"target":0,"value":2},
    {"source":9,"target":0,"value":1},
    {"source":11,"target":10,"value":1},
    {"source":11,"target":3,"value":3},
    {"source":11,"target":2,"value":3},
    {"source":11,"target":0,"value":5},
    {"source":12,"target":11,"value":1},
    {"source":13,"target":11,"value":1},
    {"source":14,"target":11,"value":1},
    {"source":15,"target":11,"value":1},
    {"source":17,"target":16,"value":4},
    {"source":18,"target":16,"value":4},
    {"source":18,"target":17,"value":4},
    {"source":19,"target":16,"value":4},
    {"source":19,"target":17,"value":4},
    {"source":19,"target":18,"value":4},
    {"source":20,"target":16,"value":3},
    {"source":20,"target":17,"value":3},
    {"source":20,"target":18,"value":3},
    {"source":20,"target":19,"value":4},
    {"source":21,"target":16,"value":3},
    {"source":21,"target":17,"value":3},
    {"source":21,"target":18,"value":3},
    {"source":21,"target":19,"value":3},
    {"source":21,"target":20,"value":5},
    {"source":22,"target":16,"value":3},
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    {"source":22,"target":18,"value":3},
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    {"source":23,"target":16,"value":3},
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    {"source":31,"target":27,"value":1},
    {"source":32,"target":11,"value":1},
    {"source":33,"target":11,"value":2},
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    {"source":51,"target":11,"value":2},
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    {"source":55,"target":11,"value":19},
    {"source":55,"target":16,"value":1},
    {"source":55,"target":25,"value":2},
    {"source":55,"target":41,"value":5},
    {"source":55,"target":48,"value":4},
    {"source":56,"target":49,"value":1},
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    {"source":57,"target":41,"value":1},
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    {"source":58,"target":48,"value":7},
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    {"source":63,"target":48,"value":5},
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    {"source":63,"target":57,"value":2},
    {"source":63,"target":58,"value":4},
    {"source":63,"target":61,"value":3},
    {"source":63,"target":60,"value":2},
    {"source":63,"target":55,"value":1},
    {"source":64,"target":55,"value":5},
    {"source":64,"target":62,"value":12},
    {"source":64,"target":48,"value":5},
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    {"source":64,"target":58,"value":10},
    {"source":64,"target":61,"value":6},
    {"source":64,"target":60,"value":2},
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    {"source":64,"target":57,"value":1},
    {"source":64,"target":11,"value":1},
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    {"source":65,"target":64,"value":7},
    {"source":65,"target":48,"value":3},
    {"source":65,"target":62,"value":5},
    {"source":65,"target":58,"value":5},
    {"source":65,"target":61,"value":5},
    {"source":65,"target":60,"value":2},
    {"source":65,"target":59,"value":5},
    {"source":65,"target":57,"value":1},
    {"source":65,"target":55,"value":2},
    {"source":66,"target":64,"value":3},
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    {"source":66,"target":65,"value":2},
    {"source":66,"target":48,"value":1},
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    {"source":66,"target":61,"value":1},
    {"source":66,"target":60,"value":1},
    {"source":67,"target":57,"value":3},
    {"source":68,"target":25,"value":5},
    {"source":68,"target":11,"value":1},
    {"source":68,"target":24,"value":1},
    {"source":68,"target":27,"value":1},
    {"source":68,"target":48,"value":1},
    {"source":68,"target":41,"value":1},
    {"source":69,"target":25,"value":6},
    {"source":69,"target":68,"value":6},
    {"source":69,"target":11,"value":1},
    {"source":69,"target":24,"value":1},
    {"source":69,"target":27,"value":2},
    {"source":69,"target":48,"value":1},
    {"source":69,"target":41,"value":1},
    {"source":70,"target":25,"value":4},
    {"source":70,"target":69,"value":4},
    {"source":70,"target":68,"value":4},
    {"source":70,"target":11,"value":1},
    {"source":70,"target":24,"value":1},
    {"source":70,"target":27,"value":1},
    {"source":70,"target":41,"value":1},
    {"source":70,"target":58,"value":1},
    {"source":71,"target":27,"value":1},
    {"source":71,"target":69,"value":2},
    {"source":71,"target":68,"value":2},
    {"source":71,"target":70,"value":2},
    {"source":71,"target":11,"value":1},
    {"source":71,"target":48,"value":1},
    {"source":71,"target":41,"value":1},
    {"source":71,"target":25,"value":1},
    {"source":72,"target":26,"value":2},
    {"source":72,"target":27,"value":1},
    {"source":72,"target":11,"value":1},
    {"source":73,"target":48,"value":2},
    {"source":74,"target":48,"value":2},
    {"source":74,"target":73,"value":3},
    {"source":75,"target":69,"value":3},
    {"source":75,"target":68,"value":3},
    {"source":75,"target":25,"value":3},
    {"source":75,"target":48,"value":1},
    {"source":75,"target":41,"value":1},
    {"source":75,"target":70,"value":1},
    {"source":75,"target":71,"value":1},
    {"source":76,"target":64,"value":1},
    {"source":76,"target":65,"value":1},
    {"source":76,"target":66,"value":1},
    {"source":76,"target":63,"value":1},
    {"source":76,"target":62,"value":1},
    {"source":76,"target":48,"value":1},
    {"source":76,"target":58,"value":1}
  ]
}
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	.node {
	stroke: #fff;
	stroke-width: 1.5px;
	}

	.link {
	stroke: #999;
	stroke-opacity: .6;
	}

	</style>
	<body>
	<script src="http://d3js.org/d3.v3.js"></script>
	<script>

	var width = 960,
	height = 500;

	var color = d3.scale.category20();

	var force = d3.layout.force()
	.charge(-120)
	.linkDistance(30)
	.size([width, height]);

	var svg = d3.select("body").append("svg")
	.attr("width", width)
	.attr("height", height);

	d3.csv("les_mis.csv", function (error, data) {
	//set up graph in same style as original example but empty
	graph = { "nodes": [], "links": [] };

	//loop through each link record from the csv data
	//add to the nodes each source and target; we'll reduce to unique values later
	//add to the links each source, target record with the value (if desired, multiple value fields can be added)
	data.forEach(function (d) {
	graph.nodes.push({ "name": d.source, "group": +d.groupsource });
	graph.nodes.push({ "name": d.target, "group": +d.grouptarget });

	graph.links.push({ "source": d.source, "target": d.target, "value": +d.value });
	});

	//use this as temporary holding while we manipulate graph.nodes
	//this will contain a map object containing an object for each node
	//within each node object there will be a child object for each instance that node appear
	//however, using rollup we can eliminate this duplication
	var nodesmap = d3.nest()
	.key(function (d) { return d.name; })
	.rollup(function (d) { return { "name": d[0].name, "group": d[0].group }; })
	.map(graph.nodes);

	//thanks Mike Bostock https://groups.google.com/d/msg/d3-js/pl297cFtIQk/Eso4q_eBu1IJ
	//this handy little function returns only the distinct / unique nodes
	graph.nodes = d3.keys(d3.nest()
	.key(function (d) { return d.name; })
	.map(graph.nodes));


	//it appears d3 with force layout wants a numeric source and target
	//so loop through each link replacing the text with its index from node
	graph.links.forEach(function (d, i) {
	graph.links[i].source = graph.nodes.indexOf(graph.links[i].source);
	graph.links[i].target = graph.nodes.indexOf(graph.links[i].target);
	});

	//this is not in the least bit pretty
	//will get graph.nodes in its final useable form
	//loop through each unique node and replace with an object with same numeric key and name/group as properties
	//that will come from the nodesmap that we defined earlier
	graph.nodes.forEach(function (d,i) { graph.nodes[i]={ "name": nodesmap[d].name, "group": nodesmap[d].group }; })


	force
	.nodes(graph.nodes)
	.links(graph.links)
	.start();

	var link = svg.selectAll(".link")
	.data(graph.links)
	.enter().append("line")
	.attr("class", "link")
	.style("stroke-width", function (d) { return Math.sqrt(d.value); });

	var node = svg.selectAll(".node")
	.data(graph.nodes)
	.enter().append("circle")
	.attr("class", "node")
	.attr("r", 5)
	.style("fill", function (d) { return color(d.group); })
	.call(force.drag);

	node.append("title")
	.text(function (d) { return d.name; });

	force.on("tick", function () {
	link.attr("x1", function (d) { return d.source.x; })
	.attr("y1", function (d) { return d.source.y; })
	.attr("x2", function (d) { return d.target.x; })
	.attr("y2", function (d) { return d.target.y; });

	node.attr("cx", function (d) { return d.x; })
	.attr("cy", function (d) { return d.y; });
	});
	});

	</script>
	</body>
	</html>
source	target	value	groupsource	grouptarget
Napoleon	Myriel	1	1	1
Mlle.Baptistine	Myriel	8	1	1
Mme.Magloire	Myriel	10	1	1
Mme.Magloire	Mlle.Baptistine	6	1	1
CountessdeLo	Myriel	1	1	1
Geborand	Myriel	1	1	1
Champtercier	Myriel	1	1	1
Cravatte	Myriel	1	1	1
Count	Myriel	2	1	1
OldMan	Myriel	1	1	1
Valjean	Labarre	1	2	2
Valjean	Mme.Magloire	3	2	1
Valjean	Mlle.Baptistine	3	2	1
Valjean	Myriel	5	2	1
Marguerite	Valjean	1	3	2
Mme.deR	Valjean	1	2	2
Isabeau	Valjean	1	2	2
Gervais	Valjean	1	2	2
Listolier	Tholomyes	4	3	3
Fameuil	Tholomyes	4	3	3
Fameuil	Listolier	4	3	3
Blacheville	Tholomyes	4	3	3
Blacheville	Listolier	4	3	3
Blacheville	Fameuil	4	3	3
Favourite	Tholomyes	3	3	3
Favourite	Listolier	3	3	3
Favourite	Fameuil	3	3	3
Favourite	Blacheville	4	3	3
Dahlia	Tholomyes	3	3	3
Dahlia	Listolier	3	3	3
Dahlia	Fameuil	3	3	3
Dahlia	Blacheville	3	3	3
Dahlia	Favourite	5	3	3
Zephine	Tholomyes	3	3	3
Zephine	Listolier	3	3	3
Zephine	Fameuil	3	3	3
Zephine	Blacheville	3	3	3
Zephine	Favourite	4	3	3
Zephine	Dahlia	4	3	3
Fantine	Tholomyes	3	3	3
Fantine	Listolier	3	3	3
Fantine	Fameuil	3	3	3
Fantine	Blacheville	3	3	3
Fantine	Favourite	4	3	3
Fantine	Dahlia	4	3	3
Fantine	Zephine	4	3	3
Fantine	Marguerite	2	3	3
Fantine	Valjean	9	3	2
Mme.Thenardier	Fantine	2	4	3
Mme.Thenardier	Valjean	7	4	2
Thenardier	Mme.Thenardier	13	4	4
Thenardier	Fantine	1	4	3
Thenardier	Valjean	12	4	2
Cosette	Mme.Thenardier	4	5	4
Cosette	Valjean	31	5	2
Cosette	Tholomyes	1	5	3
Cosette	Thenardier	1	5	4
Javert	Valjean	17	4	2
Javert	Fantine	5	4	3
Javert	Thenardier	5	4	4
Javert	Mme.Thenardier	1	4	4
Javert	Cosette	1	4	5
Fauchelevent	Valjean	8	0	2
Fauchelevent	Javert	1	0	4
Bamatabois	Fantine	1	2	3
Bamatabois	Javert	1	2	4
Bamatabois	Valjean	2	2	2
Perpetue	Fantine	1	3	3
Simplice	Perpetue	2	2	3
Simplice	Valjean	3	2	2
Simplice	Fantine	2	2	3
Simplice	Javert	1	2	4
Scaufflaire	Valjean	1	2	2
Woman1	Valjean	2	2	2
Woman1	Javert	1	2	4
Judge	Valjean	3	2	2
Judge	Bamatabois	2	2	2
Champmathieu	Valjean	3	2	2
Champmathieu	Judge	3	2	2
Champmathieu	Bamatabois	2	2	2
Brevet	Judge	2	2	2
Brevet	Champmathieu	2	2	2
Brevet	Valjean	2	2	2
Brevet	Bamatabois	1	2	2
Chenildieu	Judge	2	2	2
Chenildieu	Champmathieu	2	2	2
Chenildieu	Brevet	2	2	2
Chenildieu	Valjean	2	2	2
Chenildieu	Bamatabois	1	2	2
Cochepaille	Judge	2	2	2
Cochepaille	Champmathieu	2	2	2
Cochepaille	Brevet	2	2	2
Cochepaille	Chenildieu	2	2	2
Cochepaille	Valjean	2	2	2
Cochepaille	Bamatabois	1	2	2
Pontmercy	Thenardier	1	4	4
Boulatruelle	Thenardier	1	6	4
Eponine	Mme.Thenardier	2	4	4
Eponine	Thenardier	3	4	4
Anzelma	Eponine	2	4	4
Anzelma	Thenardier	2	4	4
Anzelma	Mme.Thenardier	1	4	4
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Gueulemer	Valjean	1	4	2
Gueulemer	Mme.Thenardier	1	4	4
Gueulemer	Javert	1	4	4
Gueulemer	Gavroche	1	4	8
Gueulemer	Eponine	1	4	4
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Babet	Javert	2	4	4
Babet	Gavroche	1	4	8
Babet	Eponine	1	4	4
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Brujon	Gueulemer	3	4	4
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Brujon	Eponine	1	4	4
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Mme.Hucheloup	Courfeyrac	1	8	8
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