doChart = function(rawData) {
return bar_chart(rawData
.map(a => ({
value1: a.incidenceFirstWk7d,
value2: a.incidenceLastWk7d,
color: a.firstColor.css,
label: d3.timeFormat('%Y-%m-%d ')(a.endDate) + (a.location + (a.hasSingleColor ? ' ' : '* '))
})));
}