I'm guessing there is some incompatibility here that may be resolved with a version update, but haven't dug in yet ...
I suspect this has to do with all the changes in the development version of ggplot2, e.g. here, but ... ??? (don't see anything in the R NEWS file that would suggest that this is an r-devel issue ...)
I'm guessing there is some incompatibility here that may be resolved with a version update, but haven't dug in yet ...
I suspect this has to do with all the changes in the development version of ggplot2, e.g. here, but ... ??? (don't see anything in the R NEWS file that would suggest that this is an r-devel issue ...)