I have a trend line chart tracking cancelations by a vendor for the past 4 weeks. I would like to add 2 'treshold' lines. If they go above 2% they are considered 'at risk' so I want to show them a ph...
By the way, if you (or any future reader of this question) wants to try it out, here's the Highcharts API reference: https://api.highcharts.com/highcharts/