G2 - The Grammar Of Graphics

点图 / 男女身高体重分布

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源码

<!DOCTYPE html>
  <html>
    <head>
      <meta charset="utf-8">
      <title>男女身高体重分布</title>
      <link rel="stylesheet" href="https://os.alipayobjects.com/s/prod/g2/static/doc-b57e62881a0344ecde9e68c4ce312143.css"/>
      
      <script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
    </head>
    <body>
      <div id="c1"></div>
      
      <script>

$.getJSON('../../static/data/scatter.json',function(data){
  var frame = new G2.Frame(data);
  var hAvg = G2.Frame.mean(frame,'height'); // 计算体重的均值
  var wAvg = G2.Frame.mean(frame,'weight'); // 计算身高均值
  var lineCfg = { // 线的配置信息
    stroke: '#94E08A'
  };
  var chart = new G2.Chart({
    id: 'c1',
    width : 1000,
    height : 500
  });

chart.source(data, {
    weight: {
      alias: '体重（kg）'
    },
    height: {
      alias: '身高（cm）'
    }
  });
  chart.tooltip({
    title: null,
    crosshairs: {
      type: 'cross'
    }
  });
  chart.point().position('height*weight').color('gender', ['rgba(223, 83, 83, 0.7)', 'rgba(119, 152, 191, 0.7)']).shape('gender', ['circle', 'diamond']).size(6).tooltip('gender*height*weight');
  chart.guide().tag([hAvg, 'min'], [hAvg, 'max'], '身高平均值: ' + hAvg.toFixed(2), {line:lineCfg});
  chart.guide().tag(['min', wAvg], ['max', wAvg], '体重平均值: ' + wAvg.toFixed(2), {line:lineCfg});
  chart.render();
});
</script>

</body>
  </html>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
      <script>
        G2.Global.setTheme('dark');
      </script>
    </head>
    <body>
      <div id="c1"></div>
      <script>

</body>
  </html>

男女身高体重分布

散点图也叫 X-Y 图，它将所有的数据以点的形式展现在笛卡尔坐标系上，以显示变量之间的相互影响程度，点的位置由变量的数值决定。了解更多