Adding a regression line to a Highcharts scatter plot

Highcharts Combo Chart

The following example demonstrates adding a regression line to a scatter plot.

We have already learned about the basic Highcharts configuration syntax in the previous chapters. Next, let's look at other configurations.

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Configuration

series configuration

Set the type property of series to line/scatter. series.type describes the data series type. The default value is "line".

var series = {
   type: 'scatter'
};

Example

Filename: highcharts_combinations_scatter.htm

<html>
<head>
<meta charset="UTF-8" />
<title>Highcharts 教程 | Example(example.com)</title>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="http://code.highcharts.com/highcharts.js"></script>
</head>
<body>
<div id="container" style="width: 550px; height: 400px; margin: 0 auto"></div>
<script language="JavaScript">
$(document).ready(function() {  
   var title = {
      text: '散点图上添加回归线'   
   };
   var xAxis = {
      min: -0.5,
      max: 5.5
   };
   var yAxis= {
      min: 0
   };
   var series= [{
            type: 'line',
            name: '回归线',
            data: [[0, 1.11], [5, 4.51]],
            marker: {
                enabled: false
            },
            states: {
                hover: {
                    lineWidth: 0
                }
            },
            enableMouseTracking: false
        }, {
            type: 'scatter',
            name: '观察点',
            data: [1, 1.5, 2.8, 3.5, 3.9, 4.2],
            marker: {
                radius: 4
            }
        }
   ];     
      
   var json = {};   
   json.title = title;
   json.xAxis = xAxis;
   json.yAxis = yAxis;
   json.series = series;
   $('#container').highcharts(json);  
});
</script>
</body>
</html>

Try it Yourself »

The output result of the above example is:

Highcharts Combo Chart

other extensions