Scatter Plot

Scatter plot of data from reddit.com/r/all

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

<body>
  <script>
    var width = 960,
        height = 500;
    var svg = d3.select("body").append("svg")
      .attr("width", width)
      .attr("height", height)
    
    var padding = 50;
 		d3.json('data.json', function(d) {
			var data = d.data.children;

var dataScoreMax = d3.max(data, 
                           function(d){return d.data.score});

var dataCommentsMax = d3.max(data, 
                            function(d) {return d.data.num_comments})

var yScale = d3.scaleLinear()
      .domain([0, dataScoreMax].reverse())
      .range([0, height - padding]);

var xScale = d3.scaleLinear()
      .domain([0, dataCommentsMax])
      .range([0, width - padding * 2]);

var yAxis = d3.axisLeft()
        .scale(yScale)
        .tickSize(1)
        .tickPadding(10);
      var xAxis = d3.axisBottom()
          .scale(xScale)
          .tickSize(1)
          .tickPadding(10);
      //main group
      var g = svg.append('g')
      	.attr('transform', 'translate(50, 25)')

//apply yaxis
      g.append('g')
        .attr('class', 'yaxis')
        .call(yAxis)
      //apply xaxis
      g.append('g')
        .attr('transform', 'translate(0,' + (height - 50) + ')')
        .attr('class', 'xaxis')
        .call(xAxis)

var chart = g.append('g')

chart.selectAll('.circle circle')
        .data(data)
        .enter()
        .append('circle')
        .attr('r', 4)
      	.attr('cx', function(d) {
          var scaled = xScale(d.data.num_comments);
          return Math.floor(scaled)
        })
      	.attr('cy', function(d) {
          return Math.floor(yScale(d.data.score))
        })
				.append('title')
      	.text(function(d) {
            var string = 'score: ' + d.data.score + '\ncomments: ' + d.data.num_comments;
            return string
          })
    } );
  </script>
</body>

https://d3js.org/d3.v4.min.js