D3 Examples - Crypto reddit "Scam" occurrances

xxxxxxxxxx
 
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width">
    <script src="https://d3js.org/d3.v4.min.js"></script>
    <title>Top 100 cryptocoins reddit scam chatter</title>
    <style>
      body {
        margin: 0px;
      }
      .domain {
        display: none;
      }
      .tick line {
        stroke: #C0C0BB;
      }
      .tick text {
        fill: #414141;
        font-size: 8pt;
        font-family: sans-serif;
      }
      .axis-label {
        fill: #635F5D;
        font-size: 15pt;
        font-family: sans-serif;
      }
​
      .bar {
        cursor: pointer;
      }
      
    </style>
  </head>
  <body>
    <svg width="960" height="1000" xmlns:xlink="https://www.w3.org/1999/xlink"></svg>
    <script>
​
      const xValue = d => d.ratio;
      const xLabel = 'Scam index';
      const yValue = d => d.label;
      const yLabel = 'Coin';
      const margin = { left: 200, right: 30, top: 5, bottom: 75 };
​
      const svg = d3.select('svg');
      const width = svg.attr('width');
      const height = svg.attr('height');
      const innerWidth = width - margin.left - margin.right;
      const innerHeight = height - margin.top - margin.bottom;
​
      const g = svg.append('g')
          .attr('transform', `translate(${margin.left},${margin.top})`);
      const xAxisG = g.append('g')
          .attr('transform', `translate(0, ${innerHeight})`);
      const yAxisG = g.append('g');
​
      xAxisG.append('text')
          .attr('class', 'axis-label')
          .attr('x', innerWidth / 2)
          .attr('y', 55)
          .text(xLabel);
​
      const xScale = d3.scaleLinear();
      const yScale = d3.scaleBand()
        .paddingInner(0.3)
        .paddingOuter(0);
​
      const xTicks = 10;
      const xAxis = d3.axisBottom()
        .scale(xScale)
        .tickPadding(5)
        .tickSize(-innerHeight);
​
      const yAxis = d3.axisLeft()
        .scale(yScale)
        .tickPadding(5)
        .tickSize(-innerWidth);
​
      const url = "https://www.reddit.com/search?q=%24symbol+and+scam"
​
      const row = d => {
        return {
          symbol: d['symbol'],
          coin_name: d['coin_name'],
          label: d['coin_name'] + " $" + d['symbol'],
          comment_cnt: parseInt(d['comment_cnt']),
          market_cap_usd: parseInt(d['market_cap_usd']),
          search_url: url.replace('symbol',d['symbol']),
          ratio: (parseInt(d['comment_cnt']) / parseInt(d['market_cap_usd'])) * 1000000
        };
      };
​
      d3.csv('scam.csv', row, data => {
        yScale
          .domain(data.map(yValue).reverse())
          .range([innerHeight, 0]);
​
        xScale
          .domain([0, d3.max(data, xValue)])
          .range([0, innerWidth])
          .nice(xTicks);
​
          g.selectAll('a').data(data)
            .enter().append('a')
              .attr("xlink:href", function(d){return d.search_url;})
              .attr("target", "_blank")
                .append('rect')
                  .attr('x', 0)
                  .attr('y', d => yScale(yValue(d)))
                  .attr('width', d => xScale(xValue(d)))
                  .attr('height', d => yScale.bandwidth())
                  .attr('fill', 'steelblue')
                  .attr('class', 'bar');
​
        xAxisG.call(xAxis);
        yAxisG.call(yAxis);
        yAxisG.selectAll('.tick line').remove();
      });
    </script>
  </body>
</html>
​
    