/*
title: Linear Regression
category: scatter
titleCN: 线性回归（使用统计插件）
difficulty: 2
*/

// See https://github.com/ecomfe/echarts-stat
echarts.registerTransform(ecStat.transform.regression);

const 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]
];

option = {
  dataset: [
    {
      source: data
    },
    {
      transform: {
        type: 'ecStat:regression'
        // 'linear' by default.
        // config: { method: 'linear', formulaOn: 'end'}
      }
    }
  ],
  title: {
    text: 'Linear Regression',
    subtext: 'By ecStat.regression',
    sublink: 'https://github.com/ecomfe/echarts-stat',
    left: 'center'
  },
  legend: {
    bottom: 5
  },
  tooltip: {
    trigger: 'axis',
    axisPointer: {
      type: 'cross'
    }
  },
  xAxis: {
    splitLine: {
      lineStyle: {
        type: 'dashed'
      }
    }
  },
  yAxis: {
    splitLine: {
      lineStyle: {
        type: 'dashed'
      }
    }
  },
  series: [
    {
      name: 'scatter',
      type: 'scatter'
    },
    {
      name: 'line',
      type: 'line',
      datasetIndex: 1,
      symbolSize: 0.1,
      symbol: 'circle',
      label: { show: true, fontSize: 16 },
      labelLayout: { dx: -20 },
      encode: { label: 2, tooltip: 1 }
    }
  ]
};

export {};