[quote]> grid.text("t", x=0.3, y=unit(-1, "line"), vp=vp2) Error in valid.units(units) : Invalid unit > grid.text("s", 0.8, unit(-1, "line"), gp=gpar(col="red"), vp=vp2) Error in valid.units(units) : Invalid unit[/quote]
Hi, I have loaded the [grid] package. It seems that I have to load another package? Thanks -- View this message in context: http://www.nabble.com/curvedarrow-%28some-graphics-problem%29-tp24158796p24178859.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML version deleted]] ______________________________________________ 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.