Et voila! Enjoy!
var chart = arguments[0], $ = skuid.$; if (chart.series.length > 0){ $.each(chart.series, function(cs,cSeries){ var cSeriesData = cSeries.data, cumulative = 0; $.each(cSeriesData,function(s,currentSeries){ cumulative = cumulative + currentSeries; chart.series[cs].data[s] = cumulative; }); }); }<br>