d3js + joy divison + mlb HOF pca

<!DOCTYPE html>
<meta charset="utf-8">
<title></title>

body {
  font: 10px sans-serif;
  background:#000;
  width:500px;
  margin:0 auto;
}

img { float: left; }
svg { float: left; }

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.area { fill: black; }

.line {
  stroke-width:1.5;
  stroke:#eee;
}

g.select {
    cursor:pointer;
}

text.chart-title {
    font-family: 'Nunito', sans-serif;
}

</style>
</head>

var margin = {top: 60, right: 20, bottom: 30, left: 50},
    width = 500 - margin.left - margin.right,
    height = 600 - margin.top - margin.bottom;

var x = d3.scale.linear()
    .domain([0, 35])
    .range([0, width]);

var y = d3.scale.linear()
        .domain([2, -2])
        .range([80, -80]);

var yoffset = d3.scale.linear()
        .domain([0, 40])
        .range([400, 0])
        ;

var area = d3.svg.area()
    .x(function(d) { return x(d.x); })
    .y0(height)
    .y1(function(d) { return y(d.y); })
    .interpolate('basis');

var mini_line = d3.svg.line()
    .x(function(d, i) { return i * 5; })
    .y(function(d) { return d * 5; })
    .interpolate('basis');

var line = d3.svg.line()
    .x(function(d) { return x(d.x); })
    .y(function(d) { return y(d.y); })
    .interpolate('basis');

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 + ")");

var jitter = 1;

function sinw(cycle) {
    return function (x) {
        return Math.sin(x / cycle);
    }
}

var waves = [
    d3.range(0, 20).map(sinw(3)),
    d3.range(0, 20).map(sinw(2)),
    d3.range(0, 20).map(sinw(1))
];

d3.json('pca_2015.json', function(data) {

console.log("Data", data);

var mdata = _.map(data, function(datum, idatum) {
        //console.log('datum', datum)
        return _.map(datum.x, function(d, i) {
            return {x : +datum.x[i], y0: yoffset(i), y: +datum.y[i]};
        })
    });

console.log('mdata', mdata)
    var wave = svg.selectAll('g.wave').data(mdata);

var wave_enter = wave.enter()
            .append('g')
            .attr('class', 'wave')
    ;

wave_enter.append('path')
            .attr('class', 'area');

wave_enter.append('path')
            .attr('class', 'line');

wave.select('path.line')
            .transition()
            .duration(400)
            .attr('transform', function(d, i) {
                //console.log('translate(' + 0 + ',' + yoffset(i) + ')');
                return 'translate(' + 0 + ',' + yoffset(i) + ')';
                //return 'translate(' + 0 + ',' + 0 + ')';
            })
            .attr('d', line)
            .attr('fill', 'black')
            .style('fill', 'black')
    ;

svg.append('text')
            .attr('class', 'chart-title')
            .text('PRINCIPAL COMPONENTS - HOF 2015')
            .style('font-size', 24)
            .attr('x', -32)
            .attr('y', 10)
            .style('fill', 'white')
    ;

svg.selectAll('.player-label')
            .data(data)
            .enter()
            .append('text')
            .attr('class', 'player-label')
            .text(function(d) {
                console.log('id', d, d.id)
                return d.id.replace('_2015','');
            })
            .attr('x', -5)
            .attr('y', function(d, i) {
                return yoffset(i)
            })
            .attr('text-anchor', 'end')
            .style('fill', 'white')
            .style('font-size', 6)
            .style('')

;

});

</script>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.10/d3.min.js

https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.min.js