核函数概率密度回归曲线（两字段）

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核函数概率密度回归曲线（两字段）

用核函数统计两个字段的概率密度回归曲线。

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height">
    <title>核函数概率密度回归曲线（两字段）</title>
    <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;margin:0;}</style>
</head>
<body>
<div id="mountNode"></div>
<script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.g2-3.5.1/dist/g2.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.data-set-0.10.1/dist/data-set.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/assets/lib/jquery-3.2.1.min.js"></script>
<script>
  $.getJSON('https://gw.alipayobjects.com/os/antvdemo/assets/data/diamond.json', function(data) {
    var chart = new G2.Chart({
      container: 'mountNode',
      forceFit: true,
      height: window.innerHeight
    });

chart.source(data);
    chart.scale({
      carat: {
        alias: '克拉数',
        min: 0,
        max: 4,
        sync: true
      },
      price: {
        alias: '价格',
        sync: true
      }
    });
    chart.point().position('carat*price');

['boxcar', 'cosine', 'epanechnikov', 'gaussian', 'quartic', 'triangular', 'tricube', 'triweight', 'uniform'].forEach(function(method, i) {
      var dv = new DataSet.View().source(data);
      dv.transform({
        type: 'kernel-smooth.regression',
        method: method,
        fields: ['carat', 'price'],
        as: ['carat', 'price'],
        bandwidth: 0.5,
        extent: [0, 4]
      });

var view = chart.view();
      view.axis(false);
      view.source(dv);
      view.line().position('carat*price').color(G2.Global.colors_16[i]);
    });

chart.render();
  });
</script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height">
    <title>核函数概率密度回归曲线（两字段）</title>
    <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;margin:0;}</style>
</head>
<body style="background: #1f1f1f;">
<div id="mountNode"></div>
<script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.g2-3.5.1/dist/g2.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.data-set-0.10.1/dist/data-set.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/assets/lib/jquery-3.2.1.min.js"></script>
<script>G2.Global.setTheme('dark');</script>
<script>
  $.getJSON('https://gw.alipayobjects.com/os/antvdemo/assets/data/diamond.json', function(data) {
    var chart = new G2.Chart({
      container: 'mountNode',
      forceFit: true,
      height: window.innerHeight
    });

var view = chart.view();
      view.axis(false);
      view.source(dv);
      view.line().position('carat*price').color(G2.Global.colors_16[i]);
    });

chart.render();
  });
</script>
</body>
</html>

图表简介

用核函数统计两个字段的概率密度回归曲线。

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