KendoUI - DataViz - Grouping and Aggregating a JSON datasource within the chart
问题 I've been able to accomplish such grouping in certain charts and not others. For example, assume that I have a datasource that looks something like this: var pictures = [ { type: "JPG", len: 20, wid: 15, appr: 17.5, count: 2 }, { type: "JPG", len: 22, wid: 17, appr: 12.5, count: 3 }, { type: "JPG", len: 24, wid: 15, appr: 10.5, count: 1 }, { type: "JPG", len: 22, wid: 4, appr: 17.5, count: 6 }, { type: "PNG", len: 20, wid: 15, appr: 17.5, count: 4 }, { type: "PNG", len: 25, wid: 7, appr: 9.5,