壊れた D3js コード ダイアグラム

D3 コード図に問題があります。

https://jsfiddle.net/Nyquist212/3vc0f2e5/6/

これは、Steve Halls の優れたコード マッパー関数を使用しています。

http://www.delimited.io/blog/2013/12/8/chord-diagrams-in-d3

過去にこれで成功しましたが、データに問題があることを示すこのエラーが表示されます (?)。

エラー: 属性 d: 期待値、「…666666669 0 1,1 NaN、NaNLNaN、NaNA…」。

誰かが私が間違っている可能性があることを理解するのを手伝ってくれますか?

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    "target": "1030"
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  {
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    "target": "727"
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  {
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];

var mpr = chordMpr(data);

    mpr
    .addValuesToMap('source')
    .setFilter(function (row, a, b) {
        return(row.source == a.name && row.target == b.name);
        })
    .setAccessor(function (recs, a, b) {
        if(!recs[0]) return 0;
        return +recs[0].count ;
        });

    drawChords(mpr.getMatrix(), mpr.getMap());

function drawChords (matrix, mmap) {

        var w = 950, h = 950, r1 = h / 3, r0 = r1 - 150;

        var fill = d3.scale.category20();

        var chord = d3.layout.chord()
            .padding(.02)   // Padding between arc categories
            .sortSubgroups(d3.descending)
            .sortChords(d3.descending);

        var arc = d3.svg.arc()
            .innerRadius(r0)
            .outerRadius(r0 + 40);  // Thickness of arc category

        var svg = d3.select("#chord") // Attach to the div element
            .append("svg:svg")
            .attr("width", w)
            .attr("height", h)
            .append("svg:g")
            .attr("id", "circle")
            .attr("transform", "translate(" + w / 2 + "," + h / 2 + ")");

        svg.append("circle").attr("r", r0 + 50);

        var rdr = chordRdr(matrix, mmap);

        chord.matrix(matrix);

        var g = svg.selectAll("g.group")
            .data(chord.groups())
            .enter().append("svg:g")
            .attr("class", "group")


            g.append("svg:path")
                .style("stroke", "black")
                .style("fill", function(d) { return fill(d.index); })
                .attr("d", arc);

    var chordPaths = svg.selectAll("path.chord")
        .data(chord.chords())
      .enter().append("svg:path")
        .attr("class", "chord")
        .style("stroke", function(d) { return d3.rgb(fill(d.target.index)).darker(); })
        .style("fill", function(d) { return fill(d.target.index); })
        .attr("d", d3.svg.chord().radius(r0))
};

// blog-post - http://www.delimited.io/blog/2013/12/8/chord-diagrams-in-d3
//*******************************************************************
//  CHORD MAPPER 
//*******************************************************************
function chordMpr (data) {
  var mpr = {}, mmap = {}, n = 0,
      matrix = [], filter, accessor;

  mpr.setFilter = function (fun) {
    filter = fun;
    return this;
  },
  mpr.setAccessor = function (fun) {
    accessor = fun;
    return this;
  },
  mpr.getMatrix = function () {
    matrix = [];
    _.each(mmap, function (a) {
      if (!matrix[a.id]) matrix[a.id] = [];
      _.each(mmap, function (b) {
       var recs = _.filter(data, function (row) {
          return filter(row, a, b);
        })
        matrix[a.id][b.id] = accessor(recs, a, b);
      });
    });
    return matrix;
  },
  mpr.getMap = function () {
    return mmap;
  },
  mpr.printMatrix = function () {
    _.each(matrix, function (elem) {
      console.log(elem);
    })
  },
  mpr.addToMap = function (value, info) {
    if (!mmap[value]) {
      mmap[value] = { name: value, id: n++, data: info }
    }
  },
  mpr.addValuesToMap = function (varName, info) {
    var values = _.uniq(_.pluck(data, varName));
    _.map(values, function (v) {
      if (!mmap[v]) {
        mmap[v] = { name: v, id: n++, data: info }
      }
    });
    return this;
  }
  return mpr;
}
//*******************************************************************
//  CHORD READER
//*******************************************************************
function chordRdr (matrix, mmap) {
  return function (d) {
    var i,j,s,t,g,m = {};
    if (d.source) {
      i = d.source.index; j = d.target.index;
      s = _.where(mmap, {id: i });
      t = _.where(mmap, {id: j });
      m.sname = s[0].name;
      m.sdata = d.source.value;
      m.svalue = +d.source.value;
      m.stotal = _.reduce(matrix[i], function (k, n) { return k + n }, 0);
      m.tname = t[0].name;
      m.tdata = d.target.value;
      m.tvalue = +d.target.value;
      m.ttotal = _.reduce(matrix[j], function (k, n) { return k + n }, 0);
    } else {
      g = _.where(mmap, {id: d.index });
      m.gname = g[0].name;
      m.gdata = g[0].data;
      m.gvalue = d.value;
    }
    m.mtotal = _.reduce(matrix, function (m1, n1) { 
      return m1 + _.reduce(n1, function (m2, n2) { return m2 + n2}, 0);
    }, 0);
    return m;
  }
}