On Nov 19, 2013, at 3:44 PM, Matthew Van Scoyoc wrote: > I can't get the fine tuning right with my legend. I get an extra legend > element "10" which is the point size in my plot. Can someone help me get rid > of this extra element? Additionally I would also like to reduce the size of > the legend. > > If you want to reproduce my figure you can download my data in csv format > here > <https://github.com/scoyoc/EcoSiteDelineation/blob/master/VegNMDS_scores.csv >> > . > > Here is my code... > >> veg.nmds.sc = read.csv("VegNMDS_scores.csv", header = T) > >> nmds.fig = ggplot(data = veg.nmds.sc, aes(x = NMDS1, y = NMDS2)) >> nmds.fig + geom_point(aes(color = VegType, shape = VegType, size = 10)) + >> scale_colour_manual(name = "Vegetation Type", >> values = c("blue", "magenta", "gray50", "red", >> "cyan3", >> "green4", "gold")) + >> scale_shape_manual(name = "Vegetation Type", values = c(15, 16, 17, 18, >> 15, 16, 17)) + >> theme_bw() + >> theme(panel.background = element_blank(), panel.grid.major = >> element_blank(), >> panel.grid.minor = element_blank(), >> legend.key = element_rect(color = "white") >> ) > > I have been messing around with >> theme(..., legend.key.size = unit(1, "cm")) > but I keep getting the error "could not find function unit". I'm not sure > why, isn't unit supposed to be part of the legend.key argument?
Try this workaround to what sounds like a bug: library(grid) # then repeat the call. -- David Winsemius Alameda, CA, USA ______________________________________________ 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.
