You may want to ask the ggplot help - since you provided zero details we can't tell (you didn't even say what kind of output you're looking at). I have no idea if that is related (since you didn't provide any code), but one common mistake is to use lwd=0 which leads to undefined behavior across devices (as documented).
Cheers, Simon > On Jun 8, 2021, at 2:22 AM, Parkhurst, David <parkh...@indiana.edu> wrote: > > Avi Gross has been helping me with ggplot lattice plots. When he sends me > graphs he has created (on a windows computer I think), if I view those on my > iPad I can see a vague grid in the background on each panel. I would like to > have that effect in the graphs I produce. However, when I view his graphs on > my iMac, or if I use his code to produce a graph on my iMac, the grids > disappear. How can I get the grids to show in the graphs I produce? > > [[alternative HTML version deleted]] > > _______________________________________________ > R-SIG-Mac mailing list > R-SIG-Mac@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-mac > _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac