Set chart data.
Data array for the DataProvider (see example)
Reference to a chart object
var chartObject = upChart.getChart(ix.util.getHtml("<GUID>"));
// This is an example for the chart data object.
// If you want to know what the object of your chart looks like,
// use the API to fetch the chart data (`getData()`).
chartData = [{
"kat" : [categoryValue-a], // {string | number}
"[columnValue1]" : [chartValue1-a], // {string | number}
"[columnValue2]" : [chartValue2-a] // {string | number}
},{
"kat" : [categoryValue-b], // {string | number}
"[columnValue1]" : [chartValue1-b], // {string | number}
"[columnValue2]" : [chartValue2-b] // {string | number}
}]
upChart.setData(chartData);
Get a chart category axis object.