It helps if you show what you have tried.
I think you can only change the justification of all facet labels (strip text) at the same time. E.g.
theme(strip.text = element_text(size = 8, angle = 0, hjust = 0))
It helps if you show what you have tried.
I think you can only change the justification of all facet labels (strip text) at the same time. E.g.
theme(strip.text = element_text(size = 8, angle = 0, hjust = 0))