| var data = [ |
| [96.24, 11.35], |
| [33.09, 85.11], |
| [57.60, 36.61], |
| [36.77, 27.26], |
| [20.10, 6.72], |
| [45.53, 36.37], |
| [110.07, 80.13], |
| [72.05, 20.88], |
| [39.82, 37.15], |
| [48.05, 70.50], |
| [0.85, 2.57], |
| [51.66, 63.70], |
| [61.07, 127.13], |
| [64.54, 33.59], |
| [35.50, 25.01], |
| [226.55, 664.02], |
| [188.60, 175.31], |
| [81.31, 108.68] |
| ]; |
| |
| // See https://github.com/ecomfe/echarts-stat |
| var myRegression = ecStat.regression('polynomial', data, 3); |
| |
| myRegression.points.sort(function(a, b) { |
| return a[0] - b[0]; |
| }); |
| |
| option = { |
| |
| tooltip: { |
| trigger: 'axis', |
| axisPointer: { |
| type: 'cross' |
| } |
| }, |
| title: { |
| text: '18 companies net profit and main business income (million)', |
| subtext: 'By ecStat.regression', |
| sublink: 'https://github.com/ecomfe/echarts-stat', |
| left: 'center', |
| top: 16 |
| }, |
| xAxis: { |
| type: 'value', |
| splitLine: { |
| lineStyle: { |
| type: 'dashed' |
| } |
| }, |
| splitNumber: 20 |
| }, |
| yAxis: { |
| type: 'value', |
| min: -40, |
| splitLine: { |
| lineStyle: { |
| type: 'dashed' |
| } |
| } |
| }, |
| grid: { |
| top: 90 |
| }, |
| series: [{ |
| name: 'scatter', |
| type: 'scatter', |
| emphasis: { |
| label: { |
| show: true, |
| position: 'right', |
| color: 'blue', |
| fontSize: 16 |
| } |
| }, |
| data: data |
| }, { |
| name: 'line', |
| type: 'line', |
| smooth: true, |
| showSymbol: false, |
| data: myRegression.points, |
| markPoint: { |
| itemStyle: { |
| color: 'transparent' |
| }, |
| label: { |
| show: true, |
| position: 'left', |
| formatter: myRegression.expression, |
| color: '#333', |
| fontSize: 14 |
| }, |
| data: [{ |
| coord: myRegression.points[myRegression.points.length - 1] |
| }] |
| } |
| }] |
| }; |