         reverse: false
            },
            animation: {
                animateRotate: false,
                animateScale: true
            }
        }
    };

    window.onload = function() {
        var ctx = document.getElementById("chart-area");
        window.myPolarArea = Chart.PolarArea(ctx, config);
    };

    document.getElementById('randomizeData').addEventListener('click', function() {
        config.data.datasets.forEach(function(piece, i) {
            piece.data.forEach(function(valu