I studied the "Add an Axis to a Plot" document but I can't figure out where the 1/trueScaleValue goes. Would someone help me? -- View this message in context: http://r.789695.n4.nabble.com/labeling-abscissa-using-a-function-of-the-plotted-scale-tp4678075p4678917.html Sent from the R help mailing list archive at Nabble.com.