html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var data = anychart.data.set([

        ['January', 10, 20, 14, 25],

        ['February', 5, 50, 28, 41],

        ['March', 17, 30, 55, 34],

        ['April', 20, 90, 26, 17],

        ['May', 16, 49, 31, 36]

    ]);

​

    var seriesData_1 = data.mapAs({x: 0, value: 1});

    var seriesData_2 = data.mapAs({x: 0, value: 2});

    var seriesData_3 = data.mapAs({x: 0, value: 3});

    var seriesData_4 = data.mapAs({x: 0, value: 4});

​

    var chart = anychart.column();

​

    var yScale1 = anychart.scales.linear();

    yScale1.stackMode('value');

​

    var yScale2 = anychart.scales.linear();

    yScale2.stackMode('value');

​

    chart.column(seriesData_1).yScale(yScale1);

    chart.column(seriesData_2).yScale(yScale1);

    chart.column(seriesData_3).yScale(yScale2);

    chart.column(seriesData_4).yScale(yScale2);

​

    chart.yAxis().scale(yScale1);

​

    chart.title('Get and use Y scales');

    chart.container('container');

    chart.draw();

​

    var globalMax = chart.getStat('yScalesMax');

    var globalMin = chart.getStat('yScalesMin');

​

    // Get all Y scales.

    var yScales = chart.getYScales();

​

    for (var i = 0; i < yScales.length; i++) {

        yScales[i].minimum(globalMin);

        yScales[i].maximum(globalMax);

    }

});