Echarts在线免费图表

 
            const dataAll = [
    [10.0, 8.04],
    [8.0, 6.95],
    [13.0, 7.58],
    [9.0, 8.81],
    [11.0, 8.33],
    [14.0, 9.96],
    [6.0, 7.24],
    [4.0, 4.26],
    [12.0, 10.84],
    [7.0, 4.82],
    [5.0, 5.68],
];

const markLineOpt = {
  animation: false,
  label: {
    formatter: 'y = 0.5 * x + 3',
    align: 'right'
  },
  lineStyle: {
    type: 'solid'
  },
  tooltip: {
    formatter: 'y = 0.5 * x + 3'
  },
  data: [
    [
      {
        coord: [0, 3],
        symbol: 'none'
      },
      {
        coord: [20, 13],
        symbol: 'none'
      }
    ]
  ]
};



option = {
    title: {
        text: '带拟合线的散点图',
    },
    xAxis: { gridIndex: 0, min: 0, max: 20 },
    yAxis: { gridIndex: 0, min: 0, max: 15 },
    series: [
    {
      name: 'I',
      type: 'scatter',
      data: dataAll,
      markLine: markLineOpt
    },
    ],
};