Dataset</button>
    <button id="removeDataset">Remove Dataset</button>
    <button id="addData">Add Data</button>
    <button id="removeData">Remove Data</button>
    <script>
        var DEFAULT_DATASET_SIZE = 7;

        var addedCount = 0;
        var color = Chart.helpers.color;
        var bubbleChartData = {
            animation: {
                duration: 10000
            },
            datasets: [{
                label: "My First dataset",
                backgroundColor: color(window.chartColo