anychart.onDocumentReady(function () {
var chart = anychart.bubble([
{x: 1, value: 25, size: 4},
{x: 2, value: 15, size: 2},
{x: 3, value: 20, size: 3},
{x: 4, value: 11, size: 1},
chart.minBubbleSize('7px');
chart.title('Set minimum bubble size');
chart.yScale({maximum: 30});
chart.container('container');