html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.pie([

        {x: 'Cycling', value: 5},

        {x: 'Swimming', value: 2},

        {x: 'Run', value: 1},

        {x: 'Hiking', value: 3},

        {x: 'Alpinism', value: 1}

    ]);

​

    // Set group function.

    chart.group(function (val) {

        return val > 2;

    });

​

    chart.title('Set group parameter as a function');

    chart.container('container');

    chart.draw();

});