How to plot both measurement points and target/control lines on same chart
Hi I am looking for a way to plot my old measured data alongside my target/upper/lower lines on the same chart. The target occasionally changes which is why I am not just using a Axis reference line. Simplified, my data table has the below columns:Measured ValueDate & time of measurementTarget (at time of measurement)Upper limit (at time of measurement)Lower Limit (at time of measurement) I have m...