> Other then rebuilding the plots, is there any way either (1) to combine > existing ggplot2 plots or (2) to extract a layer from an existing plot > so that it can be added to another?
Not really, although you can always pull apart the plot components. Can you give an example of what you are trying to achieve? Hadley -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ ______________________________________________ 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.
