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效果图
源代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>ECharts</title>
<!-- 引入 echarts.js -->
<script src="js/echarts.min.js"></script>
</head>
<body>
<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
<div id="main" style="width: 600px;height:400px;"></div>
<script type="text/javascript">
// 基于准备好的dom，初始化echarts实例
var myChart = echarts.init(document.getElementById('main'));
var option;
var data = [
[0.067732, 3.176513],
[0.42781, 3.816464],
[0.995731, 4.550095],
[0.738336, 4.256571],
[0.981083, 4.560815],
[0.526171, 3.929515],
[0.378887, 3.52617],
[0.033859, 3.156393],
[0.132791, 3.110301],
[0.138306, 3.149813],
[0.247809, 3.476346],
[0.64827, 4.119688],
[0.731209, 4.282233],
[0.236833, 3.486582],
[0.969788, 4.655492],
[0.607492, 3.965162],
[0.358622, 3.5149],
[0.147846, 3.125947],
[0.63782, 4.094115],
[0.230372, 3.476039],
[0.070237, 3.21061],
[0.067154, 3.190612],
[0.925577, 4.631504],
[0.717733, 4.29589],
[0.015371, 3.085028],
[0.33507, 3.44808],
[0.040486, 3.16744],
[0.212575, 3.364266],
[0.617218, 3.993482],
[0.541196, 3.891471],
[0.045353, 3.143259],
[0.126762, 3.114204],
[0.556486, 3.851484],
[0.901144, 4.621899],
[0.958476, 4.580768],
[0.274561, 3.620992],
[0.394396, 3.580501],
[0.87248, 4.618706],
[0.409932, 3.676867],
[0.908969, 4.641845],
[0.166819, 3.175939],
[0.665016, 4.26498],
[0.263727, 3.558448],
[0.231214, 3.436632],
[0.552928, 3.831052],
[0.047744, 3.182853],
[0.365746, 3.498906],
[0.495002, 3.946833],
[0.493466, 3.900583],
[0.792101, 4.238522],
[0.76966, 4.23308],
[0.251821, 3.521557],
[0.181951, 3.203344],
[0.808177, 4.278105],
[0.334116, 3.555705],
[0.33863, 3.502661],
[0.452584, 3.859776],
[0.69477, 4.275956],
[0.590902, 3.916191],
[0.307928, 3.587961],
[0.148364, 3.183004],
[0.70218, 4.225236],
[0.721544, 4.231083],
[0.666886, 4.240544],
[0.124931, 3.222372],
[0.618286, 4.021445],
[0.381086, 3.567479],
[0.385643, 3.56258],
[0.777175, 4.262059],
[0.116089, 3.208813],
[0.115487, 3.169825],
[0.66351, 4.193949],
[0.254884, 3.491678],
[0.993888, 4.533306],
[0.295434, 3.550108],
[0.952523, 4.636427],
[0.307047, 3.557078],
[0.277261, 3.552874],
[0.279101, 3.494159],
[0.175724, 3.206828],
[0.156383, 3.195266],
[0.733165, 4.221292],
[0.848142, 4.413372],
[0.771184, 4.184347],
[0.429492, 3.742878],
[0.162176, 3.201878],
[0.917064, 4.648964],
[0.315044, 3.510117],
[0.201473, 3.274434],
[0.297038, 3.579622],
[0.336647, 3.489244],
[0.666109, 4.237386],
[0.583888, 3.913749],
[0.085031, 3.22899],
[0.687006, 4.286286],
[0.949655, 4.628614],
[0.189912, 3.239536],
[0.844027, 4.457997],
[0.333288, 3.513384],
[0.427035, 3.729674],
[0.466369, 3.834274],
[0.550659, 3.811155],
[0.278213, 3.598316],
[0.918769, 4.692514],
[0.886555, 4.604859],
[0.569488, 3.864912],
[0.066379, 3.184236],
[0.335751, 3.500796],
[0.426863, 3.743365],
[0.395746, 3.622905],
[0.694221, 4.310796],
[0.27276, 3.583357],
[0.503495, 3.901852],
[0.067119, 3.233521],
[0.038326, 3.105266],
[0.599122, 3.865544],
[0.947054, 4.628625],
[0.671279, 4.231213],
[0.434811, 3.791149],
[0.509381, 3.968271],
[0.749442, 4.25391],
[0.058014, 3.19471],
[0.482978, 3.996503],
[0.466776, 3.904358],
[0.357767, 3.503976],
[0.949123, 4.557545],
[0.41732, 3.699876],
[0.920461, 4.613614],
[0.156433, 3.140401],
[0.656662, 4.206717],
[0.616418, 3.969524],
[0.853428, 4.476096],
[0.133295, 3.136528],
[0.693007, 4.279071],
[0.178449, 3.200603],
[0.199526, 3.299012],
[0.073224, 3.209873],
[0.286515, 3.632942],
[0.182026, 3.248361],
[0.621523, 3.995783],
[0.344584, 3.563262],
[0.398556, 3.649712],
[0.480369, 3.951845],
[0.15335, 3.145031],
[0.171846, 3.181577],
[0.867082, 4.637087],
[0.223855, 3.404964],
[0.528301, 3.873188],
[0.890192, 4.633648],
[0.106352, 3.154768],
[0.917886, 4.623637],
[0.014855, 3.078132],
[0.567682, 3.913596],
[0.068854, 3.221817],
[0.603535, 3.938071],
[0.53205, 3.880822],
[0.651362, 4.176436],
[0.901225, 4.648161],
[0.204337, 3.332312],
[0.696081, 4.240614],
[0.963924, 4.532224],
[0.98139, 4.557105],
[0.987911, 4.610072],
[0.990947, 4.636569],
[0.736021, 4.229813],
[0.253574, 3.50086],
[0.674722, 4.245514],
[0.939368, 4.605182],
[0.235419, 3.45434],
[0.110521, 3.180775],
[0.218023, 3.38082],
[0.869778, 4.56502],
[0.19683, 3.279973],
[0.958178, 4.554241],
[0.972673, 4.63352],
[0.745797, 4.281037],
[0.445674, 3.844426],
[0.470557, 3.891601],
[0.549236, 3.849728],
[0.335691, 3.492215],
[0.884739, 4.592374],
[0.918916, 4.632025],
[0.441815, 3.75675],
[0.116598, 3.133555],
[0.359274, 3.567919],
[0.814811, 4.363382],
[0.387125, 3.560165],
[0.982243, 4.564305],
[0.78088, 4.215055],
[0.652565, 4.174999],
[0.87003, 4.58664],
[0.604755, 3.960008],
[0.255212, 3.529963],
[0.730546, 4.213412],
[0.493829, 3.908685],
[0.257017, 3.585821],
[0.833735, 4.374394],
[0.070095, 3.213817],
[0.52707, 3.952681],
[0.116163, 3.129283]
];
// See https://github.com/ecomfe/echarts-stat
var myRegression = ecStat.regression('linear', data);
myRegression.points.sort(function(a, b) {
return a[0] - b[0];
});
option = {
title: {
text: 'Linear Regression',
subtext: 'By ecStat.regression',
sublink: 'https://github.com/ecomfe/echarts-stat',
left: 'center'
},
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'cross'
}
},
xAxis: {
type: 'value',
splitLine: {
lineStyle: {
type: 'dashed'
}
},
},
yAxis: {
type: 'value',
min: 1.5,
splitLine: {
lineStyle: {
type: 'dashed'
}
},
},
series: [{
name: 'scatter',
type: 'scatter',
label: {
emphasis: {
show: true,
position: 'left',
textStyle: {
color: 'blue',
fontSize: 16
}
}
},
data: data
}, {
name: 'line',
type: 'line',
showSymbol: false,
data: myRegression.points,
markPoint: {
itemStyle: {
normal: {
color: 'transparent'
}
},
label: {
normal: {
show: true,
position: 'left',
formatter: myRegression.expression,
textStyle: {
color: '#333',
fontSize: 14
}
}
},
data: [{
coord: myRegression.points[myRegression.points.length - 1]
}]
}
}]
};
myChart.setOption(option);
</script>
</body>
</html>