chart-js-bubble.html

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.2/Chart.bundle.min.js"></script>
<canvas id="myBubble" style="width: 100%; height: 300px;"></canvas>
<script>
    var myBubbleElement = document.getElementById("myBubble");
    var myBubble = new Chart(myBubbleElement, {
        type: 'bubble', // チャートのタイプ
        data: { // チャートの内容
            datasets: [{
                label: 'red',
                data: [{x:4, y:5}, {x:5, y:9, r:10}],
                backgroundColor: 'RGBA(182,39,93, 0.4)',
                borderColor: 'RGBA(182,39,93, 1)',
                borderWidth: 1
            }, {
                label: 'green',
                data: [{x:8, y:4}, {x:2, y:4, r:20}],
                backgroundColor: 'RGBA(77,169,155, 0.4)',
                borderColor: 'RGBA(77,169,155, 1)',
                borderWidth: 1
            }]
        },
        options: { // チャートのその他オプション
            scales: {
                xAxes: [{
                    ticks: {
                        max: 10,
                        min: 0
                    }
                }],
                yAxes: [{
                    ticks: {
                        max: 10,
                        min: 0
                    }
                }]
            }
        }
    });
</script>