Highcharts - 散点图上添加回归线

以下实例演示了散点图上添加回归线。

我们在前面的章节已经了解了 Highcharts 基本配置语法。

配置

series.type 配置

设置 series 的 type 属性为 line/scatter ，series.type 描述了数据列类型。默认值为 "line"。

var series = {
   type: 'scatter'
};

示例

文件名:highcharts_combinations_scatter.htm

<html>
   <head>
      <title>Highcharts 教程</title>
      <script src = "https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
      <script src = "https://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>

以上图表实例的输出结果

❮ highcharts_combinations.html