google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
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       data.addColumn('number', 'DL数');
       data.addColumn('number', 'Googleセルラン');
       data.addColumn('number', 'iOSセルラン');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
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['2020-04-07',496700,null,null,null,null],
['2020-04-08',496802,null,null,null,null],
['2020-04-09',496956,null,null,null,null],
['2020-04-10',497088,null,null,null,null],
['2020-04-11',497228,null,null,null,null],
['2020-04-12',497289,null,null,null,null],
['2020-04-13',497559,null,null,null,null],
['2020-04-14',497644,null,null,null,null],
['2020-04-15',497926,null,null,null,null],
['2020-04-16',498111,null,null,null,null],
['2020-04-17',498111,null,null,null,null],
['2020-04-18',498264,null,null,null,null],
['2020-04-19',498264,null,null,null,null],
['2020-04-20',498264,null,null,null,null],
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['2020-04-23',498264,null,null,null,null],
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['2020-04-27',500141,null,null,null,null],
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['2020-04-29',500692,null,769,null,null],
['2020-04-30',500819,null,null,null,null],
['2020-05-01',500897,null,null,null,null],
['2020-05-02',501177,null,null,null,null],
['2020-05-03',501369,null,null,null,null],
['2020-05-04',501500,null,null,null,null],
['2020-05-05',501804,null,null,null,null],
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['2020-05-15',503101,null,null,null,null],
['2020-05-16',503696,null,null,null,null],
['2020-05-17',503789,null,null,null,null],
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['2020-05-30',505965,null,null,null,null],
['2020-05-31',506029,null,null,null,null],
['2020-06-01',506275,null,null,null,null],
['2020-06-02',506378,null,null,null,null],
['2020-06-03',506378,null,null,null,null]
        ]);
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    'pointSize': 3,
    legend: {position: 'top' },
    vAxes:[
      {direction:1},
      {direction:-1,viewWindow:{min:0,max:700}}
    ],
    series: {
      0:{
        type: 'bars',
        color: 'skyblue',
        targetAxisIndex: 0,
      },
      1:{
        type: 'line',
        color: 'seagreen',                
        targetAxisIndex: 1,
      },
      2:{
        type: 'line',
        color: 'red',                
        targetAxisIndex: 1,
      },
    },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['#2980b9','#e74c3c']
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  var chart = new google.visualization.ComboChart(document.getElementById('graphField'));
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  google.visualization.events.addListener(chart, 'click', function() {
    if(chart.getSelection()[0]){
      chart.setSelection(null)
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});