fogonwater/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Rough. Re-do and delete.

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<title>SANKEY Experiment</title>
<style>
body {
  font-family: Helvetica;
  font-size:0.6em;
 }

.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;
}

</style>
<body>

<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="sankey.js"></script>
<script>
console.clear()
var units = "loans";

// set the dimensions and margins of the graph
var margin = {top: 10, right: 10, bottom: 10, left: 10},
    width = 700 - margin.left - margin.right,
    height = 1200 - margin.top - margin.bottom;

// format variables
var formatNumber = d3.format(",.0f"),    // zero decimal places
    format = function(d) { return formatNumber(d) + " " + units; },
    color = d3.scaleOrdinal(d3.schemeCategory10);

// append the svg object to the body of the page
var svg = d3.select("body").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 + ")");

// Set the sankey diagram properties
var sankey = d3.sankey()
    .nodeWidth(36)
    .nodePadding(2)
    .size([width, height]);

var path = sankey.link();

// load the data
d3.json("sankey.json", function(error, graph) {

  sankey
      .nodes(graph.nodes)
      .links(graph.links)
      .layout(10);

// add in the links
  var link = svg.append("g").selectAll(".link")
      .data(graph.links)
    .enter().append("path")
      .attr("class", "link")
      .attr("d", path)
      .style("stroke-width", function(d) { return Math.max(1, d.dy); })
  		.style("stroke", function(d) {
       	if (d.col == "None") {return 'black'}
       	else
	        {return d.color = color(d.col);}
      })
      .sort(function(a, b) { return b.dy - a.dy; });

// add the link titles
  link.append("title")
        .text(function(d) {
    		return d.source.label + " → " +
                d.target.label + "\n" + format(d.value); });

// add in the nodes
  var node = svg.append("g").selectAll(".node")
      .data(graph.nodes)
    .enter().append("g")
      .attr("class", "node")
      .attr("transform", function(d) {
		  return "translate(" + d.x + "," + d.y + ")"; })
      .call(d3.drag()
        .subject(function(d) {
          return d;
        })
        .on("start", function() {
          this.parentNode.appendChild(this);
        })
        .on("drag", dragmove));

// add the rectangles for the nodes
  node.append("rect")
      .attr("height", function(d) { return d.dy; })
      .attr("width", sankey.nodeWidth())
      .style("fill", function(d) {
       	if (d.col == "None") {return '#ccc'}
       	else
	        {return d.color = color(d.col);}
      })
      .text(function(d) {
		  return d.name + "\n" + format(d.value); });

// add in the title for the nodes
  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.label; })
    .filter(function(d) { return d.x < width / 2; })
      .attr("x", 6 + sankey.nodeWidth())
      .attr("text-anchor", "start");

// the function for moving the nodes
  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>

</body>


## sankey.js
d3.sankey = function() {
  var sankey = {},
      nodeWidth = 24,
      nodePadding = 8,
      size = [1, 1],
      nodes = [],
      links = [];

  sankey.nodeWidth = function(_) {
    if (!arguments.length) return nodeWidth;
    nodeWidth = +_;
    return sankey;
  };

  sankey.nodePadding = function(_) {
    if (!arguments.length) return nodePadding;
    nodePadding = +_;
    return sankey;
  };

  sankey.nodes = function(_) {
    if (!arguments.length) return nodes;
    nodes = _;
    return sankey;
  };

  sankey.links = function(_) {
    if (!arguments.length) return links;
    links = _;
    return sankey;
  };

  sankey.size = function(_) {
    if (!arguments.length) return size;
    size = _;
    return sankey;
  };

  sankey.layout = function(iterations) {
    computeNodeLinks();
    computeNodeValues();
    computeNodeBreadths();
    computeNodeDepths(iterations);
    computeLinkDepths();
    return sankey;
  };

  sankey.relayout = function() {
    computeLinkDepths();
    return sankey;
  };

  sankey.link = function() {
    var curvature = .5;

    function link(d) {
      var x0 = d.source.x + d.source.dx,
          x1 = d.target.x,
          xi = d3.interpolateNumber(x0, x1),
          x2 = xi(curvature),
          x3 = xi(1 - curvature),
          y0 = d.source.y + d.sy + d.dy / 2,
          y1 = d.target.y + d.ty + d.dy / 2;
      return "M" + x0 + "," + y0
           + "C" + x2 + "," + y0
           + " " + x3 + "," + y1
           + " " + x1 + "," + y1;
    }

    link.curvature = function(_) {
      if (!arguments.length) return curvature;
      curvature = +_;
      return link;
    };

    return link;
  };

  // Populate the sourceLinks and targetLinks for each node.
  // Also, if the source and target are not objects, assume they are indices.
  function computeNodeLinks() {
    nodes.forEach(function(node) {
      node.sourceLinks = [];
      node.targetLinks = [];
    });
    links.forEach(function(link) {
      var source = link.source,
          target = link.target;
      if (typeof source === "number") source = link.source = nodes[link.source];
      if (typeof target === "number") target = link.target = nodes[link.target];
      source.sourceLinks.push(link);
      target.targetLinks.push(link);
    });
  }

  // Compute the value (size) of each node by summing the associated links.
  function computeNodeValues() {
    nodes.forEach(function(node) {
      node.value = Math.max(
        d3.sum(node.sourceLinks, value),
        d3.sum(node.targetLinks, value)
      );
    });
  }

  // Iteratively assign the breadth (x-position) for each node.
  // Nodes are assigned the maximum breadth of incoming neighbors plus one;
  // nodes with no incoming links are assigned breadth zero, while
  // nodes with no outgoing links are assigned the maximum breadth.
  function computeNodeBreadths() {
    var remainingNodes = nodes,
        nextNodes,
        x = 0;

    while (remainingNodes.length) {
      nextNodes = [];
      remainingNodes.forEach(function(node) {
        node.x = x;
        node.dx = nodeWidth;
        node.sourceLinks.forEach(function(link) {
          if (nextNodes.indexOf(link.target) < 0) {
            nextNodes.push(link.target);
          }
        });
      });
      remainingNodes = nextNodes;
      ++x;
    }

    //
    moveSinksRight(x);
    scaleNodeBreadths((size[0] - nodeWidth) / (x - 1));
  }

  function moveSourcesRight() {
    nodes.forEach(function(node) {
      if (!node.targetLinks.length) {
        node.x = d3.min(node.sourceLinks, function(d) { return d.target.x; }) - 1;
      }
    });
  }

  function moveSinksRight(x) {
    nodes.forEach(function(node) {
      if (!node.sourceLinks.length) {
        node.x = x - 1;
      }
    });
  }

  function scaleNodeBreadths(kx) {
    nodes.forEach(function(node) {
      node.x *= kx;
    });
  }

  function computeNodeDepths(iterations) {
    var nodesByBreadth = d3.nest()
        .key(function(d) { return d.x; })
        .sortKeys(d3.ascending)
        .entries(nodes)
        .map(function(d) { return d.values; });

    //
    initializeNodeDepth();
    resolveCollisions();
    for (var alpha = 1; iterations > 0; --iterations) {
      relaxRightToLeft(alpha *= .99);
      resolveCollisions();
      relaxLeftToRight(alpha);
      resolveCollisions();
    }

    function initializeNodeDepth() {
      var ky = d3.min(nodesByBreadth, function(nodes) {
        return (size[1] - (nodes.length - 1) * nodePadding) / d3.sum(nodes, value);
      });

      nodesByBreadth.forEach(function(nodes) {
        nodes.forEach(function(node, i) {
          node.y = i;
          node.dy = node.value * ky;
        });
      });

      links.forEach(function(link) {
        link.dy = link.value * ky;
      });
    }

    function relaxLeftToRight(alpha) {
      nodesByBreadth.forEach(function(nodes, breadth) {
        nodes.forEach(function(node) {
          if (node.targetLinks.length) {
            var y = d3.sum(node.targetLinks, weightedSource) / d3.sum(node.targetLinks, value);
            node.y += (y - center(node)) * alpha;
          }
        });
      });

      function weightedSource(link) {
        return center(link.source) * link.value;
      }
    }

    function relaxRightToLeft(alpha) {
      nodesByBreadth.slice().reverse().forEach(function(nodes) {
        nodes.forEach(function(node) {
          if (node.sourceLinks.length) {
            var y = d3.sum(node.sourceLinks, weightedTarget) / d3.sum(node.sourceLinks, value);
            node.y += (y - center(node)) * alpha;
          }
        });
      });

      function weightedTarget(link) {
        return center(link.target) * link.value;
      }
    }

    function resolveCollisions() {
      nodesByBreadth.forEach(function(nodes) {
        var node,
            dy,
            y0 = 0,
            n = nodes.length,
            i;

        // Push any overlapping nodes down.
        nodes.sort(ascendingDepth);
        for (i = 0; i < n; ++i) {
          node = nodes[i];
          dy = y0 - node.y;
          if (dy > 0) node.y += dy;
          y0 = node.y + node.dy + nodePadding;
        }

        // If the bottommost node goes outside the bounds, push it back up.
        dy = y0 - nodePadding - size[1];
        if (dy > 0) {
          y0 = node.y -= dy;

          // Push any overlapping nodes back up.
          for (i = n - 2; i >= 0; --i) {
            node = nodes[i];
            dy = node.y + node.dy + nodePadding - y0;
            if (dy > 0) node.y -= dy;
            y0 = node.y;
          }
        }
      });
    }

    function ascendingDepth(a, b) {
      return a.y - b.y;
    }
  }

  function computeLinkDepths() {
    nodes.forEach(function(node) {
      node.sourceLinks.sort(ascendingTargetDepth);
      node.targetLinks.sort(ascendingSourceDepth);
    });
    nodes.forEach(function(node) {
      var sy = 0, ty = 0;
      node.sourceLinks.forEach(function(link) {
        link.sy = sy;
        sy += link.dy;
      });
      node.targetLinks.forEach(function(link) {
        link.ty = ty;
        ty += link.dy;
      });
    });

    function ascendingSourceDepth(a, b) {
      return a.source.y - b.source.y;
    }

    function ascendingTargetDepth(a, b) {
      return a.target.y - b.target.y;
    }
  }

  function center(node) {
    return node.y + node.dy / 2;
  }

  function value(link) {
    return link.value;
  }

  return sankey;
};

## sankey.json
{
  "links": [
    {
      "col": "All",
      "source": 0,
      "target": 1,
      "value": 1065
    },
    {
      "col": "Gap",
      "source": 1,
      "target": 2,
      "value": 79
    },
    {
      "col": "In demand",
      "source": 1,
      "target": 3,
      "value": 36
    },
    {
      "col": "Few supplied",
      "source": 1,
      "target": 4,
      "value": 15
    },
    {
      "col": "Fair range supplied",
      "source": 1,
      "target": 5,
      "value": 177
    },
    {
      "col": "Good range supplied",
      "source": 1,
      "target": 6,
      "value": 758
    },
    {
      "col": "Arts",
      "source": 7,
      "target": 8,
      "value": 31
    },
    {
      "col": "Gap",
      "source": 8,
      "target": 9,
      "value": 8
    },
    {
      "col": "In demand",
      "source": 8,
      "target": 10,
      "value": 6
    },
    {
      "col": "Fair range supplied",
      "source": 8,
      "target": 11,
      "value": 4
    },
    {
      "col": "Good range supplied",
      "source": 8,
      "target": 12,
      "value": 13
    },
    {
      "col": "Arts",
      "source": 7,
      "target": 13,
      "value": 30
    },
    {
      "col": "Gap",
      "source": 13,
      "target": 14,
      "value": 7
    },
    {
      "col": "In demand",
      "source": 13,
      "target": 15,
      "value": 5
    },
    {
      "col": "Fair range supplied",
      "source": 13,
      "target": 16,
      "value": 2
    },
    {
      "col": "Good range supplied",
      "source": 13,
      "target": 17,
      "value": 16
    },
    {
      "col": "Arts",
      "source": 7,
      "target": 18,
      "value": 29
    },
    {
      "col": "Gap",
      "source": 18,
      "target": 19,
      "value": 9
    },
    {
      "col": "Few supplied",
      "source": 18,
      "target": 20,
      "value": 1
    },
    {
      "col": "Fair range supplied",
      "source": 18,
      "target": 21,
      "value": 6
    },
    {
      "col": "Good range supplied",
      "source": 18,
      "target": 22,
      "value": 13
    },
    {
      "col": "Arts",
      "source": 7,
      "target": 23,
      "value": 145
    },
    {
      "col": "Gap",
      "source": 23,
      "target": 24,
      "value": 11
    },
    {
      "col": "In demand",
      "source": 23,
      "target": 25,
      "value": 10
    },
    {
      "col": "Few supplied",
      "source": 23,
      "target": 26,
      "value": 5
    },
    {
      "col": "Fair range supplied",
      "source": 23,
      "target": 27,
      "value": 25
    },
    {
      "col": "Good range supplied",
      "source": 23,
      "target": 28,
      "value": 94
    },
    {
      "col": "Arts",
      "source": 7,
      "target": 29,
      "value": 166
    },
    {
      "col": "Gap",
      "source": 29,
      "target": 30,
      "value": 22
    },
    {
      "col": "In demand",
      "source": 29,
      "target": 31,
      "value": 2
    },
    {
      "col": "Few supplied",
      "source": 29,
      "target": 32,
      "value": 5
    },
    {
      "col": "Fair range supplied",
      "source": 29,
      "target": 33,
      "value": 38
    },
    {
      "col": "Good range supplied",
      "source": 29,
      "target": 34,
      "value": 99
    },
    {
      "col": "Health & PE",
      "source": 35,
      "target": 36,
      "value": 101
    },
    {
      "col": "Gap",
      "source": 36,
      "target": 37,
      "value": 3
    },
    {
      "col": "In demand",
      "source": 36,
      "target": 38,
      "value": 4
    },
    {
      "col": "Few supplied",
      "source": 36,
      "target": 39,
      "value": 3
    },
    {
      "col": "Fair range supplied",
      "source": 36,
      "target": 40,
      "value": 13
    },
    {
      "col": "Good range supplied",
      "source": 36,
      "target": 41,
      "value": 78
    },
    {
      "col": "Health & PE",
      "source": 35,
      "target": 42,
      "value": 95
    },
    {
      "col": "Gap",
      "source": 42,
      "target": 43,
      "value": 13
    },
    {
      "col": "In demand",
      "source": 42,
      "target": 44,
      "value": 1
    },
    {
      "col": "Fair range supplied",
      "source": 42,
      "target": 45,
      "value": 12
    },
    {
      "col": "Good range supplied",
      "source": 42,
      "target": 46,
      "value": 69
    },
    {
      "col": "Health & PE",
      "source": 35,
      "target": 47,
      "value": 21
    },
    {
      "col": "Gap",
      "source": 47,
      "target": 48,
      "value": 5
    },
    {
      "col": "In demand",
      "source": 47,
      "target": 49,
      "value": 2
    },
    {
      "col": "Fair range supplied",
      "source": 47,
      "target": 50,
      "value": 2
    },
    {
      "col": "Good range supplied",
      "source": 47,
      "target": 51,
      "value": 12
    },
    {
      "col": "Health & PE",
      "source": 35,
      "target": 52,
      "value": 110
    },
    {
      "col": "Gap",
      "source": 52,
      "target": 53,
      "value": 15
    },
    {
      "col": "In demand",
      "source": 52,
      "target": 54,
      "value": 2
    },
    {
      "col": "Few supplied",
      "source": 52,
      "target": 55,
      "value": 1
    },
    {
      "col": "Fair range supplied",
      "source": 52,
      "target": 56,
      "value": 10
    },
    {
      "col": "Good range supplied",
      "source": 52,
      "target": 57,
      "value": 82
    },
    {
      "col": "Health & PE",
      "source": 35,
      "target": 58,
      "value": 143
    },
    {
      "col": "Gap",
      "source": 58,
      "target": 59,
      "value": 5
    },
    {
      "col": "In demand",
      "source": 58,
      "target": 60,
      "value": 16
    },
    {
      "col": "Fair range supplied",
      "source": 58,
      "target": 61,
      "value": 17
    },
    {
      "col": "Good range supplied",
      "source": 58,
      "target": 62,
      "value": 105
    },
    {
      "col": "Language",
      "source": 63,
      "target": 64,
      "value": 121
    },
    {
      "col": "Gap",
      "source": 64,
      "target": 65,
      "value": 12
    },
    {
      "col": "In demand",
      "source": 64,
      "target": 66,
      "value": 3
    },
    {
      "col": "Few supplied",
      "source": 64,
      "target": 67,
      "value": 7
    },
    {
      "col": "Fair range supplied",
      "source": 64,
      "target": 68,
      "value": 18
    },
    {
      "col": "Good range supplied",
      "source": 64,
      "target": 69,
      "value": 81
    },
    {
      "col": "Language",
      "source": 63,
      "target": 70,
      "value": 164
    },
    {
      "col": "Gap",
      "source": 70,
      "target": 71,
      "value": 22
    },
    {
      "col": "In demand",
      "source": 70,
      "target": 72,
      "value": 6
    },
    {
      "col": "Few supplied",
      "source": 70,
      "target": 73,
      "value": 5
    },
    {
      "col": "Fair range supplied",
      "source": 70,
      "target": 74,
      "value": 31
    },
    {
      "col": "Good range supplied",
      "source": 70,
      "target": 75,
      "value": 100
    },
    {
      "col": "Language",
      "source": 63,
      "target": 76,
      "value": 95
    },
    {
      "col": "Gap",
      "source": 76,
      "target": 77,
      "value": 20
    },
    {
      "col": "In demand",
      "source": 76,
      "target": 78,
      "value": 5
    },
    {
      "col": "Few supplied",
      "source": 76,
      "target": 79,
      "value": 4
    },
    {
      "col": "Fair range supplied",
      "source": 76,
      "target": 80,
      "value": 13
    },
    {
      "col": "Good range supplied",
      "source": 76,
      "target": 81,
      "value": 53
    },
    {
      "col": "Maths & Statistics",
      "source": 82,
      "target": 83,
      "value": 52
    },
    {
      "col": "Gap",
      "source": 83,
      "target": 84,
      "value": 4
    },
    {
      "col": "Few supplied",
      "source": 83,
      "target": 85,
      "value": 1
    },
    {
      "col": "Fair range supplied",
      "source": 83,
      "target": 86,
      "value": 10
    },
    {
      "col": "Good range supplied",
      "source": 83,
      "target": 87,
      "value": 37
    },
    {
      "col": "Maths & Statistics",
      "source": 82,
      "target": 88,
      "value": 31
    },
    {
      "col": "Gap",
      "source": 88,
      "target": 89,
      "value": 7
    },
    {
      "col": "Few supplied",
      "source": 88,
      "target": 90,
      "value": 1
    },
    {
      "col": "Fair range supplied",
      "source": 88,
      "target": 91,
      "value": 5
    },
    {
      "col": "Good range supplied",
      "source": 88,
      "target": 92,
      "value": 18
    },
    {
      "col": "Maths & Statistics",
      "source": 82,
      "target": 93,
      "value": 27
    },
    {
      "col": "Gap",
      "source": 93,
      "target": 94,
      "value": 3
    },
    {
      "col": "In demand",
      "source": 93,
      "target": 95,
      "value": 1
    },
    {
      "col": "Fair range supplied",
      "source": 93,
      "target": 96,
      "value": 4
    },
    {
      "col": "Good range supplied",
      "source": 93,
      "target": 97,
      "value": 19
    },
    {
      "col": "Maths & Statistics",
      "source": 82,
      "target": 98,
      "value": 14
    },
    {
      "col": "Gap",
      "source": 98,
      "target": 99,
      "value": 1
    },
    {
      "col": "Fair range supplied",
      "source": 98,
      "target": 100,
      "value": 3
    },
    {
      "col": "Good range supplied",
      "source": 98,
      "target": 101,
      "value": 10
    },
    {
      "col": "Reading",
      "source": 102,
      "target": 103,
      "value": 1504
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    {
      "col": "Gap",
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      "value": 22
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      "col": "In demand",
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      "target": 105,
      "value": 7
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    {
      "col": "Few supplied",
      "source": 103,
      "target": 106,
      "value": 55
    },
    {
      "col": "Fair range supplied",
      "source": 103,
      "target": 107,
      "value": 236
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    {
      "col": "Good range supplied",
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      "target": 108,
      "value": 1184
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    {
      "col": "Science",
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      "target": 110,
      "value": 594
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    {
      "col": "Gap",
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      "target": 111,
      "value": 50
    },
    {
      "col": "In demand",
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      "target": 112,
      "value": 22
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    {
      "col": "Few supplied",
      "source": 110,
      "target": 113,
      "value": 4
    },
    {
      "col": "Fair range supplied",
      "source": 110,
      "target": 114,
      "value": 70
    },
    {
      "col": "Good range supplied",
      "source": 110,
      "target": 115,
      "value": 448
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    {
      "col": "Science",
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      "target": 116,
      "value": 137
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    {
      "col": "Gap",
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      "target": 117,
      "value": 6
    },
    {
      "col": "In demand",
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      "target": 118,
      "value": 1
    },
    {
      "col": "Fair range supplied",
      "source": 116,
      "target": 119,
      "value": 25
    },
    {
      "col": "Good range supplied",
      "source": 116,
      "target": 120,
      "value": 105
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    {
      "col": "Science",
      "source": 109,
      "target": 121,
      "value": 186
    },
    {
      "col": "Gap",
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      "target": 122,
      "value": 9
    },
    {
      "col": "In demand",
      "source": 121,
      "target": 123,
      "value": 9
    },
    {
      "col": "Fair range supplied",
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      "target": 124,
      "value": 27
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    {
      "col": "Good range supplied",
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      "target": 125,
      "value": 141
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    {
      "col": "Science",
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      "target": 126,
      "value": 297
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    {
      "col": "Gap",
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      "target": 127,
      "value": 14
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    {
      "col": "In demand",
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      "target": 128,
      "value": 13
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    {
      "col": "Few supplied",
      "source": 126,
      "target": 129,
      "value": 2
    },
    {
      "col": "Fair range supplied",
      "source": 126,
      "target": 130,
      "value": 47
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    {
      "col": "Good range supplied",
      "source": 126,
      "target": 131,
      "value": 221
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    {
      "col": "Science",
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      "target": 132,
      "value": 434
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    {
      "col": "Gap",
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      "target": 133,
      "value": 25
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    {
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      "target": 134,
      "value": 7
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    {
      "col": "Few supplied",
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      "target": 135,
      "value": 5
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    {
      "col": "Fair range supplied",
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      "target": 136,
      "value": 70
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      "col": "Good range supplied",
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      "target": 137,
      "value": 327
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      "col": "Social Sciences",
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      "value": 171
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    {
      "col": "Gap",
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      "value": 26
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      "col": "In demand",
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      "target": 141,
      "value": 27
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    {
      "col": "Few supplied",
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      "target": 142,
      "value": 5
    },
    {
      "col": "Fair range supplied",
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      "target": 143,
      "value": 44
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    {
      "col": "Good range supplied",
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      "target": 144,
      "value": 69
    },
    {
      "col": "Social Sciences",
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      "target": 145,
      "value": 600
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    {
      "col": "Gap",
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      "value": 101
    },
    {
      "col": "In demand",
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      "target": 147,
      "value": 56
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    {
      "col": "Few supplied",
      "source": 145,
      "target": 148,
      "value": 11
    },
    {
      "col": "Fair range supplied",
      "source": 145,
      "target": 149,
      "value": 103
    },
    {
      "col": "Good range supplied",
      "source": 145,
      "target": 150,
      "value": 329
    },
    {
      "col": "Social Sciences",
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      "target": 151,
      "value": 192
    },
    {
      "col": "Gap",
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      "target": 152,
      "value": 32
    },
    {
      "col": "In demand",
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      "target": 153,
      "value": 14
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    {
      "col": "Few supplied",
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      "target": 154,
      "value": 2
    },
    {
      "col": "Fair range supplied",
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      "target": 155,
      "value": 34
    },
    {
      "col": "Good range supplied",
      "source": 151,
      "target": 156,
      "value": 110
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    {
      "col": "Social Sciences",
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      "target": 157,
      "value": 537
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    {
      "col": "Gap",
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      "target": 158,
      "value": 84
    },
    {
      "col": "In demand",
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      "target": 159,
      "value": 47
    },
    {
      "col": "Few supplied",
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      "target": 160,
      "value": 7
    },
    {
      "col": "Fair range supplied",
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      "target": 161,
      "value": 93
    },
    {
      "col": "Good range supplied",
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      "target": 162,
      "value": 306
    },
    {
      "col": "Social Sciences",
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      "target": 163,
      "value": 41
    },
    {
      "col": "Gap",
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      "target": 164,
      "value": 7
    },
    {
      "col": "In demand",
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      "target": 165,
      "value": 1
    },
    {
      "col": "Fair range supplied",
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      "target": 166,
      "value": 8
    },
    {
      "col": "Good range supplied",
      "source": 163,
      "target": 167,
      "value": 25
    },
    {
      "col": "Technology",
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      "target": 169,
      "value": 22
    },
    {
      "col": "Fair range supplied",
      "source": 169,
      "target": 170,
      "value": 3
    },
    {
      "col": "Good range supplied",
      "source": 169,
      "target": 171,
      "value": 19
    },
    {
      "col": "Technology",
      "source": 168,
      "target": 172,
      "value": 21
    },
    {
      "col": "Gap",
      "source": 172,
      "target": 173,
      "value": 5
    },
    {
      "col": "Few supplied",
      "source": 172,
      "target": 174,
      "value": 1
    },
    {
      "col": "Fair range supplied",
      "source": 172,
      "target": 175,
      "value": 3
    },
    {
      "col": "Good range supplied",
      "source": 172,
      "target": 176,
      "value": 12
    },
    {
      "col": "Technology",
      "source": 168,
      "target": 177,
      "value": 62
    },
    {
      "col": "Gap",
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      "target": 178,
      "value": 11
    },
    {
      "col": "In demand",
      "source": 177,
      "target": 179,
      "value": 2
    },
    {
      "col": "Fair range supplied",
      "source": 177,
      "target": 180,
      "value": 17
    },
    {
      "col": "Good range supplied",
      "source": 177,
      "target": 181,
      "value": 32
    },
    {
      "col": "Technology",
      "source": 168,
      "target": 182,
      "value": 207
    },
    {
      "col": "Gap",
      "source": 182,
      "target": 183,
      "value": 25
    },
    {
      "col": "In demand",
      "source": 182,
      "target": 184,
      "value": 20
    },
    {
      "col": "Few supplied",
      "source": 182,
      "target": 185,
      "value": 2
    },
    {
      "col": "Fair range supplied",
      "source": 182,
      "target": 186,
      "value": 36
    },
    {
      "col": "Good range supplied",
      "source": 182,
      "target": 187,
      "value": 124
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  ],
  "nodes": [
    {
      "col": null,
      "label": "All",
      "name": "All:",
      "node": 0
    },
    {
      "col": "All",
      "label": "All Learning Areas",
      "name": "All Learning Areas",
      "node": 1
    },
    {
      "col": "Gap",
      "label": "",
      "name": "All Learning Areas: Gap",
      "node": 2
    },
    {
      "col": "In demand",
      "label": "",
      "name": "All Learning Areas: In demand",
      "node": 3
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "All Learning Areas: Few supplied",
      "node": 4
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "All Learning Areas: Fair range supplied",
      "node": 5
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "All Learning Areas: Good range supplied",
      "node": 6
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    {
      "col": null,
      "label": "Arts",
      "name": "Arts:",
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    },
    {
      "col": "Arts",
      "label": "Dance",
      "name": "Dance",
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    },
    {
      "col": "Gap",
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      "name": "Dance: Gap",
      "node": 9
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Dance: In demand",
      "node": 10
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Dance: Fair range supplied",
      "node": 11
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Dance: Good range supplied",
      "node": 12
    },
    {
      "col": "Arts",
      "label": "Drama",
      "name": "Drama",
      "node": 13
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Drama: Gap",
      "node": 14
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Drama: In demand",
      "node": 15
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Drama: Fair range supplied",
      "node": 16
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Drama: Good range supplied",
      "node": 17
    },
    {
      "col": "Arts",
      "label": "Music",
      "name": "Music",
      "node": 18
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Music: Gap",
      "node": 19
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Music: Few supplied",
      "node": 20
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Music: Fair range supplied",
      "node": 21
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Music: Good range supplied",
      "node": 22
    },
    {
      "col": "Arts",
      "label": "The Arts",
      "name": "The Arts",
      "node": 23
    },
    {
      "col": "Gap",
      "label": "",
      "name": "The Arts: Gap",
      "node": 24
    },
    {
      "col": "In demand",
      "label": "",
      "name": "The Arts: In demand",
      "node": 25
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "The Arts: Few supplied",
      "node": 26
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "The Arts: Fair range supplied",
      "node": 27
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "The Arts: Good range supplied",
      "node": 28
    },
    {
      "col": "Arts",
      "label": "Visual Arts",
      "name": "Visual Arts",
      "node": 29
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Visual Arts: Gap",
      "node": 30
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Visual Arts: In demand",
      "node": 31
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Visual Arts: Few supplied",
      "node": 32
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Visual Arts: Fair range supplied",
      "node": 33
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Visual Arts: Good range supplied",
      "node": 34
    },
    {
      "col": null,
      "label": "Health & PE",
      "name": "Health & PE:",
      "node": 35
    },
    {
      "col": "Health & PE",
      "label": "Health & PE",
      "name": "Health & PE",
      "node": 36
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Health & PE: Gap",
      "node": 37
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Health & PE: In demand",
      "node": 38
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Health & PE: Few supplied",
      "node": 39
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Health & PE: Fair range supplied",
      "node": 40
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Health & PE: Good range supplied",
      "node": 41
    },
    {
      "col": "Health & PE",
      "label": "Healthy Communities & Environments",
      "name": "Healthy Communities & Environments",
      "node": 42
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Healthy Communities & Environments: Gap",
      "node": 43
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Healthy Communities & Environments: In demand",
      "node": 44
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Healthy Communities & Environments: Fair range supplied",
      "node": 45
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Healthy Communities & Environments: Good range supplied",
      "node": 46
    },
    {
      "col": "Health & PE",
      "label": "Movement Concepts & Motor Skills",
      "name": "Movement Concepts & Motor Skills",
      "node": 47
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Movement Concepts & Motor Skills: Gap",
      "node": 48
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Movement Concepts & Motor Skills: In demand",
      "node": 49
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Movement Concepts & Motor Skills: Fair range supplied",
      "node": 50
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Movement Concepts & Motor Skills: Good range supplied",
      "node": 51
    },
    {
      "col": "Health & PE",
      "label": "Personal Health & Physical Development",
      "name": "Personal Health & Physical Development",
      "node": 52
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Personal Health & Physical Development: Gap",
      "node": 53
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Personal Health & Physical Development: In demand",
      "node": 54
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Personal Health & Physical Development: Few supplied",
      "node": 55
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Personal Health & Physical Development: Fair range supplied",
      "node": 56
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Personal Health & Physical Development: Good range supplied",
      "node": 57
    },
    {
      "col": "Health & PE",
      "label": "Relationships with other people",
      "name": "Relationships with other people",
      "node": 58
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Relationships with other people: Gap",
      "node": 59
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Relationships with other people: In demand",
      "node": 60
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Relationships with other people: Fair range supplied",
      "node": 61
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Relationships with other people: Good range supplied",
      "node": 62
    },
    {
      "col": null,
      "label": "Language",
      "name": "Language:",
      "node": 63
    },
    {
      "col": "Language",
      "label": "English",
      "name": "English",
      "node": 64
    },
    {
      "col": "Gap",
      "label": "",
      "name": "English: Gap",
      "node": 65
    },
    {
      "col": "In demand",
      "label": "",
      "name": "English: In demand",
      "node": 66
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "English: Few supplied",
      "node": 67
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "English: Fair range supplied",
      "node": 68
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "English: Good range supplied",
      "node": 69
    },
    {
      "col": "Language",
      "label": "Listening, Reading, Viewing",
      "name": "Listening, Reading, Viewing",
      "node": 70
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Listening, Reading, Viewing: Gap",
      "node": 71
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Listening, Reading, Viewing: In demand",
      "node": 72
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Listening, Reading, Viewing: Few supplied",
      "node": 73
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Listening, Reading, Viewing: Fair range supplied",
      "node": 74
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Listening, Reading, Viewing: Good range supplied",
      "node": 75
    },
    {
      "col": "Language",
      "label": "Speaking, Writing, Presenting",
      "name": "Speaking, Writing, Presenting",
      "node": 76
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Speaking, Writing, Presenting: Gap",
      "node": 77
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Speaking, Writing, Presenting: In demand",
      "node": 78
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Speaking, Writing, Presenting: Few supplied",
      "node": 79
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Speaking, Writing, Presenting: Fair range supplied",
      "node": 80
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Speaking, Writing, Presenting: Good range supplied",
      "node": 81
    },
    {
      "col": null,
      "label": "Maths & Statistics",
      "name": "Maths & Statistics:",
      "node": 82
    },
    {
      "col": "Maths & Statistics",
      "label": "Geometry & Measurement",
      "name": "Geometry & Measurement",
      "node": 83
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Geometry & Measurement: Gap",
      "node": 84
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Geometry & Measurement: Few supplied",
      "node": 85
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Geometry & Measurement: Fair range supplied",
      "node": 86
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Geometry & Measurement: Good range supplied",
      "node": 87
    },
    {
      "col": "Maths & Statistics",
      "label": "Maths & Statistics",
      "name": "Maths & Statistics",
      "node": 88
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Maths & Statistics: Gap",
      "node": 89
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Maths & Statistics: Few supplied",
      "node": 90
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Maths & Statistics: Fair range supplied",
      "node": 91
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Maths & Statistics: Good range supplied",
      "node": 92
    },
    {
      "col": "Maths & Statistics",
      "label": "Number & Algebra",
      "name": "Number & Algebra",
      "node": 93
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Number & Algebra: Gap",
      "node": 94
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Number & Algebra: In demand",
      "node": 95
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Number & Algebra: Fair range supplied",
      "node": 96
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Number & Algebra: Good range supplied",
      "node": 97
    },
    {
      "col": "Maths & Statistics",
      "label": "Statistics",
      "name": "Statistics",
      "node": 98
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Statistics: Gap",
      "node": 99
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Statistics: Fair range supplied",
      "node": 100
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Statistics: Good range supplied",
      "node": 101
    },
    {
      "col": null,
      "label": "Reading",
      "name": "Reading:",
      "node": 102
    },
    {
      "col": "Reading",
      "label": "Reading",
      "name": "Reading",
      "node": 103
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Reading: Gap",
      "node": 104
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Reading: In demand",
      "node": 105
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Reading: Few supplied",
      "node": 106
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Reading: Fair range supplied",
      "node": 107
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Reading: Good range supplied",
      "node": 108
    },
    {
      "col": null,
      "label": "Science",
      "name": "Science:",
      "node": 109
    },
    {
      "col": "Science",
      "label": "Living World",
      "name": "Living World",
      "node": 110
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Living World: Gap",
      "node": 111
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Living World: In demand",
      "node": 112
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Living World: Few supplied",
      "node": 113
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Living World: Fair range supplied",
      "node": 114
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Living World: Good range supplied",
      "node": 115
    },
    {
      "col": "Science",
      "label": "Material World",
      "name": "Material World",
      "node": 116
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Material World: Gap",
      "node": 117
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Material World: In demand",
      "node": 118
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Material World: Fair range supplied",
      "node": 119
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Material World: Good range supplied",
      "node": 120
    },
    {
      "col": "Science",
      "label": "Physical World",
      "name": "Physical World",
      "node": 121
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Physical World: Gap",
      "node": 122
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Physical World: In demand",
      "node": 123
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Physical World: Fair range supplied",
      "node": 124
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Physical World: Good range supplied",
      "node": 125
    },
    {
      "col": "Science",
      "label": "Planet Earth & Beyond",
      "name": "Planet Earth & Beyond",
      "node": 126
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Planet Earth & Beyond: Gap",
      "node": 127
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Planet Earth & Beyond: In demand",
      "node": 128
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Planet Earth & Beyond: Few supplied",
      "node": 129
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Planet Earth & Beyond: Fair range supplied",
      "node": 130
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Planet Earth & Beyond: Good range supplied",
      "node": 131
    },
    {
      "col": "Science",
      "label": "Science",
      "name": "Science",
      "node": 132
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Science: Gap",
      "node": 133
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Science: In demand",
      "node": 134
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Science: Few supplied",
      "node": 135
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Science: Fair range supplied",
      "node": 136
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Science: Good range supplied",
      "node": 137
    },
    {
      "col": null,
      "label": "Social Sciences",
      "name": "Social Sciences:",
      "node": 138
    },
    {
      "col": "Social Sciences",
      "label": "Continuity and Change",
      "name": "Continuity and Change",
      "node": 139
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Continuity and Change: Gap",
      "node": 140
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Continuity and Change: In demand",
      "node": 141
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Continuity and Change: Few supplied",
      "node": 142
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Continuity and Change: Fair range supplied",
      "node": 143
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Continuity and Change: Good range supplied",
      "node": 144
    },
    {
      "col": "Social Sciences",
      "label": "Identity, Culture and Organisation",
      "name": "Identity, Culture and Organisation",
      "node": 145
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Identity, Culture and Organisation: Gap",
      "node": 146
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Identity, Culture and Organisation: In demand",
      "node": 147
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Identity, Culture and Organisation: Few supplied",
      "node": 148
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Identity, Culture and Organisation: Fair range supplied",
      "node": 149
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Identity, Culture and Organisation: Good range supplied",
      "node": 150
    },
    {
      "col": "Social Sciences",
      "label": "Place and Environment",
      "name": "Place and Environment",
      "node": 151
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Place and Environment: Gap",
      "node": 152
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Place and Environment: In demand",
      "node": 153
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Place and Environment: Few supplied",
      "node": 154
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Place and Environment: Fair range supplied",
      "node": 155
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Place and Environment: Good range supplied",
      "node": 156
    },
    {
      "col": "Social Sciences",
      "label": "Social Sciences",
      "name": "Social Sciences",
      "node": 157
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Social Sciences: Gap",
      "node": 158
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Social Sciences: In demand",
      "node": 159
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Social Sciences: Few supplied",
      "node": 160
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Social Sciences: Fair range supplied",
      "node": 161
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Social Sciences: Good range supplied",
      "node": 162
    },
    {
      "col": "Social Sciences",
      "label": "The Economic World",
      "name": "The Economic World",
      "node": 163
    },
    {
      "col": "Gap",
      "label": "",
      "name": "The Economic World: Gap",
      "node": 164
    },
    {
      "col": "In demand",
      "label": "",
      "name": "The Economic World: In demand",
      "node": 165
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "The Economic World: Fair range supplied",
      "node": 166
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "The Economic World: Good range supplied",
      "node": 167
    },
    {
      "col": null,
      "label": "Technology",
      "name": "Technology:",
      "node": 168
    },
    {
      "col": "Technology",
      "label": "Nature of Technology",
      "name": "Nature of Technology",
      "node": 169
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Nature of Technology: Fair range supplied",
      "node": 170
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Nature of Technology: Good range supplied",
      "node": 171
    },
    {
      "col": "Technology",
      "label": "Technological Knowledge",
      "name": "Technological Knowledge",
      "node": 172
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Technological Knowledge: Gap",
      "node": 173
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Technological Knowledge: Few supplied",
      "node": 174
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Technological Knowledge: Fair range supplied",
      "node": 175
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Technological Knowledge: Good range supplied",
      "node": 176
    },
    {
      "col": "Technology",
      "label": "Technological Practice",
      "name": "Technological Practice",
      "node": 177
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Technological Practice: Gap",
      "node": 178
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Technological Practice: In demand",
      "node": 179
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Technological Practice: Fair range supplied",
      "node": 180
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Technological Practice: Good range supplied",
      "node": 181
    },
    {
      "col": "Technology",
      "label": "Technology",
      "name": "Technology",
      "node": 182
    },
    {
      "col": "Gap",
      "label": "",
      "name": "Technology: Gap",
      "node": 183
    },
    {
      "col": "In demand",
      "label": "",
      "name": "Technology: In demand",
      "node": 184
    },
    {
      "col": "Few supplied",
      "label": "",
      "name": "Technology: Few supplied",
      "node": 185
    },
    {
      "col": "Fair range supplied",
      "label": "",
      "name": "Technology: Fair range supplied",
      "node": 186
    },
    {
      "col": "Good range supplied",
      "label": "",
      "name": "Technology: Good range supplied",
      "node": 187
    }
  ]
}
	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>SANKEY Experiment</title>
	<style>
	body {
	font-family: Helvetica;
	font-size:0.6em;
	}

	.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;
	}

	</style>
	<body>

	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script src="sankey.js"></script>
	<script>
	console.clear()
	var units = "loans";

	// set the dimensions and margins of the graph
	var margin = {top: 10, right: 10, bottom: 10, left: 10},
	width = 700 - margin.left - margin.right,
	height = 1200 - margin.top - margin.bottom;

	// format variables
	var formatNumber = d3.format(",.0f"), // zero decimal places
	format = function(d) { return formatNumber(d) + " " + units; },
	color = d3.scaleOrdinal(d3.schemeCategory10);

	// append the svg object to the body of the page
	var svg = d3.select("body").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 + ")");

	// Set the sankey diagram properties
	var sankey = d3.sankey()
	.nodeWidth(36)
	.nodePadding(2)
	.size([width, height]);

	var path = sankey.link();

	// load the data
	d3.json("sankey.json", function(error, graph) {

	sankey
	.nodes(graph.nodes)
	.links(graph.links)
	.layout(10);

	// add in the links
	var link = svg.append("g").selectAll(".link")
	.data(graph.links)
	.enter().append("path")
	.attr("class", "link")
	.attr("d", path)
	.style("stroke-width", function(d) { return Math.max(1, d.dy); })
	.style("stroke", function(d) {
	if (d.col == "None") {return 'black'}
	else
	{return d.color = color(d.col);}
	})
	.sort(function(a, b) { return b.dy - a.dy; });

	// add the link titles
	link.append("title")
	.text(function(d) {
	return d.source.label + " → " +
	d.target.label + "\n" + format(d.value); });

	// add in the nodes
	var node = svg.append("g").selectAll(".node")
	.data(graph.nodes)
	.enter().append("g")
	.attr("class", "node")
	.attr("transform", function(d) {
	return "translate(" + d.x + "," + d.y + ")"; })
	.call(d3.drag()
	.subject(function(d) {
	return d;
	})
	.on("start", function() {
	this.parentNode.appendChild(this);
	})
	.on("drag", dragmove));

	// add the rectangles for the nodes
	node.append("rect")
	.attr("height", function(d) { return d.dy; })
	.attr("width", sankey.nodeWidth())
	.style("fill", function(d) {
	if (d.col == "None") {return '#ccc'}
	else
	{return d.color = color(d.col);}
	})
	.text(function(d) {
	return d.name + "\n" + format(d.value); });

	// add in the title for the nodes
	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.label; })
	.filter(function(d) { return d.x < width / 2; })
	.attr("x", 6 + sankey.nodeWidth())
	.attr("text-anchor", "start");

	// the function for moving the nodes
	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>

	</body>
	d3.sankey = function() {
	var sankey = {},
	nodeWidth = 24,
	nodePadding = 8,
	size = [1, 1],
	nodes = [],
	links = [];

	sankey.nodeWidth = function(_) {
	if (!arguments.length) return nodeWidth;
	nodeWidth = +_;
	return sankey;
	};

	sankey.nodePadding = function(_) {
	if (!arguments.length) return nodePadding;
	nodePadding = +_;
	return sankey;
	};

	sankey.nodes = function(_) {
	if (!arguments.length) return nodes;
	nodes = _;
	return sankey;
	};

	sankey.links = function(_) {
	if (!arguments.length) return links;
	links = _;
	return sankey;
	};

	sankey.size = function(_) {
	if (!arguments.length) return size;
	size = _;
	return sankey;
	};

	sankey.layout = function(iterations) {
	computeNodeLinks();
	computeNodeValues();
	computeNodeBreadths();
	computeNodeDepths(iterations);
	computeLinkDepths();
	return sankey;
	};

	sankey.relayout = function() {
	computeLinkDepths();
	return sankey;
	};

	sankey.link = function() {
	var curvature = .5;

	function link(d) {
	var x0 = d.source.x + d.source.dx,
	x1 = d.target.x,
	xi = d3.interpolateNumber(x0, x1),
	x2 = xi(curvature),
	x3 = xi(1 - curvature),
	y0 = d.source.y + d.sy + d.dy / 2,
	y1 = d.target.y + d.ty + d.dy / 2;
	return "M" + x0 + "," + y0
	+ "C" + x2 + "," + y0
	+ " " + x3 + "," + y1
	+ " " + x1 + "," + y1;
	}

	link.curvature = function(_) {
	if (!arguments.length) return curvature;
	curvature = +_;
	return link;
	};

	return link;
	};

	// Populate the sourceLinks and targetLinks for each node.
	// Also, if the source and target are not objects, assume they are indices.
	function computeNodeLinks() {
	nodes.forEach(function(node) {
	node.sourceLinks = [];
	node.targetLinks = [];
	});
	links.forEach(function(link) {
	var source = link.source,
	target = link.target;
	if (typeof source === "number") source = link.source = nodes[link.source];
	if (typeof target === "number") target = link.target = nodes[link.target];
	source.sourceLinks.push(link);
	target.targetLinks.push(link);
	});
	}

	// Compute the value (size) of each node by summing the associated links.
	function computeNodeValues() {
	nodes.forEach(function(node) {
	node.value = Math.max(
	d3.sum(node.sourceLinks, value),
	d3.sum(node.targetLinks, value)
	);
	});
	}

	// Iteratively assign the breadth (x-position) for each node.
	// Nodes are assigned the maximum breadth of incoming neighbors plus one;
	// nodes with no incoming links are assigned breadth zero, while
	// nodes with no outgoing links are assigned the maximum breadth.
	function computeNodeBreadths() {
	var remainingNodes = nodes,
	nextNodes,
	x = 0;

	while (remainingNodes.length) {
	nextNodes = [];
	remainingNodes.forEach(function(node) {
	node.x = x;
	node.dx = nodeWidth;
	node.sourceLinks.forEach(function(link) {
	if (nextNodes.indexOf(link.target) < 0) {
	nextNodes.push(link.target);
	}
	});
	});
	remainingNodes = nextNodes;
	++x;
	}

	//
	moveSinksRight(x);
	scaleNodeBreadths((size[0] - nodeWidth) / (x - 1));
	}

	function moveSourcesRight() {
	nodes.forEach(function(node) {
	if (!node.targetLinks.length) {
	node.x = d3.min(node.sourceLinks, function(d) { return d.target.x; }) - 1;
	}
	});
	}

	function moveSinksRight(x) {
	nodes.forEach(function(node) {
	if (!node.sourceLinks.length) {
	node.x = x - 1;
	}
	});
	}

	function scaleNodeBreadths(kx) {
	nodes.forEach(function(node) {
	node.x *= kx;
	});
	}

	function computeNodeDepths(iterations) {
	var nodesByBreadth = d3.nest()
	.key(function(d) { return d.x; })
	.sortKeys(d3.ascending)
	.entries(nodes)
	.map(function(d) { return d.values; });

	//
	initializeNodeDepth();
	resolveCollisions();
	for (var alpha = 1; iterations > 0; --iterations) {
	relaxRightToLeft(alpha *= .99);
	resolveCollisions();
	relaxLeftToRight(alpha);
	resolveCollisions();
	}

	function initializeNodeDepth() {
	var ky = d3.min(nodesByBreadth, function(nodes) {
	return (size[1] - (nodes.length - 1) * nodePadding) / d3.sum(nodes, value);
	});

	nodesByBreadth.forEach(function(nodes) {
	nodes.forEach(function(node, i) {
	node.y = i;
	node.dy = node.value * ky;
	});
	});

	links.forEach(function(link) {
	link.dy = link.value * ky;
	});
	}

	function relaxLeftToRight(alpha) {
	nodesByBreadth.forEach(function(nodes, breadth) {
	nodes.forEach(function(node) {
	if (node.targetLinks.length) {
	var y = d3.sum(node.targetLinks, weightedSource) / d3.sum(node.targetLinks, value);
	node.y += (y - center(node)) * alpha;
	}
	});
	});

	function weightedSource(link) {
	return center(link.source) * link.value;
	}
	}

	function relaxRightToLeft(alpha) {
	nodesByBreadth.slice().reverse().forEach(function(nodes) {
	nodes.forEach(function(node) {
	if (node.sourceLinks.length) {
	var y = d3.sum(node.sourceLinks, weightedTarget) / d3.sum(node.sourceLinks, value);
	node.y += (y - center(node)) * alpha;
	}
	});
	});

	function weightedTarget(link) {
	return center(link.target) * link.value;
	}
	}

	function resolveCollisions() {
	nodesByBreadth.forEach(function(nodes) {
	var node,
	dy,
	y0 = 0,
	n = nodes.length,
	i;

	// Push any overlapping nodes down.
	nodes.sort(ascendingDepth);
	for (i = 0; i < n; ++i) {
	node = nodes[i];
	dy = y0 - node.y;
	if (dy > 0) node.y += dy;
	y0 = node.y + node.dy + nodePadding;
	}

	// If the bottommost node goes outside the bounds, push it back up.
	dy = y0 - nodePadding - size[1];
	if (dy > 0) {
	y0 = node.y -= dy;

	// Push any overlapping nodes back up.
	for (i = n - 2; i >= 0; --i) {
	node = nodes[i];
	dy = node.y + node.dy + nodePadding - y0;
	if (dy > 0) node.y -= dy;
	y0 = node.y;
	}
	}
	});
	}

	function ascendingDepth(a, b) {
	return a.y - b.y;
	}
	}

	function computeLinkDepths() {
	nodes.forEach(function(node) {
	node.sourceLinks.sort(ascendingTargetDepth);
	node.targetLinks.sort(ascendingSourceDepth);
	});
	nodes.forEach(function(node) {
	var sy = 0, ty = 0;
	node.sourceLinks.forEach(function(link) {
	link.sy = sy;
	sy += link.dy;
	});
	node.targetLinks.forEach(function(link) {
	link.ty = ty;
	ty += link.dy;
	});
	});

	function ascendingSourceDepth(a, b) {
	return a.source.y - b.source.y;
	}

	function ascendingTargetDepth(a, b) {
	return a.target.y - b.target.y;
	}
	}

	function center(node) {
	return node.y + node.dy / 2;
	}

	function value(link) {
	return link.value;
	}

	return sankey;
	};