Thanks Phil, I was also trying to get at something like that but couldn't quite figure it out as quickly.
Mikkel, I guess for your specific example you would need to define ticks like this: ticks = seq(min(C$Time),max(C$Time),by='30 min') ----- Try http://prettygraph.com Pretty Graph , the easiest way to make R-powered graphs on the web. -- View this message in context: http://n4.nabble.com/tickmarks-with-time-in-dotplots-tp1565276p1565321.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.