in app/scripts/options.js [72:85]
var getSeriesRandomGroup = function(typeName) {
var data = [];
for (var i = 0; i < groupCnt; ++i) {
data.push({
name: legend.data[i],
value: Math.floor((Math.random() * 800 + 200) * (groupCnt - i) /
groupCnt)
});
}
return {
type: typeName,
data: data
};
};