Use facet_grid option to plot column of dataframe with ggplot2
问题 I get some result from simulation, and i want to make a facetting like this diagram below, and i don't know if it's possible to make this with ggplot2 and the facet_grid option. My result for simulations have this "simplified" form, one line by simulation : dat <- read.table(textConnection("P1 P2 P3 P4 R 1 2e-5 1.0 0.6 3 1 2 4e-6 1.5 0.7 1.5 2 3 6e-7 1.2 0.6 2.5 3 4 8e-8 1.45 0.65 3.2 4 ")) And here you can see the simplified graphic i want to produce with ggplot2 and facet_grid I have one