Usage
theme_collapse( ## the commented values are from theme_grey
panel.grid.major=eb, ## element_line(colour = "white")
panel.grid.minor=eb, ## element_line(colour = "white", size = 0.25)
axis.ticks=eb, ## element_line(colour = "grey20")
axis.text=eb, ## element_text(size = rel(0.8), colour = "grey30")
axis.title=eb, ## axis.title.x = element_text(
## margin = margin(t = 0.8 * half_line,
## b = 0.8 * half_line/2))
## axis.title.y = element_text(angle = 90,
## margin = margin(r = 0.8 * half_line,
## l = 0.8 * half_line/2))
plot.margin= grid::unit(c(0, 0, 0, 0), "in"),
...,
eb=ggplot2::element_blank())