New and stuck with ggplot:
I have the following data:
tribe rho preference_watermass 1 Luna2 -1.000 hypolimnic 2 OP10I-A1 -1.000 epilimn
You have to reorder the data itself, not just within aes, as correctly stated by @amzu:
aes
dfm$tribe <- reorder(dfm$tribe, dfm$rho) plot2