scale_grey {ggplot2} | R Documentation |
Sequential grey colour scale
scale_colour_grey(name=NULL, start=0.2, end=0.8, limits=NULL, breaks=NULL, labels=NULL, formatter=identity, ...) scale_fill_grey(name=NULL, start=0.2, end=0.8, limits=NULL, breaks=NULL, labels=NULL, formatter=identity, ...)
name |
name of scale to appear in legend or on axis. Maybe be an expression: see ?plotmath |
start |
starting grey colour (between 0 and 1) |
end |
ending grey colour (between 0 and 1) |
limits |
numeric vector of length 2, giving the extent of the scale |
breaks |
numeric vector indicating where breaks should lie |
labels |
character vector giving labels associated with breaks |
formatter |
NULL |
... |
other arguments |
Based on ?gray.colors
This page describes scale_grey, see layer
and qplot
for how to create a complete plot from individual components.
A layer
Hadley Wickham, http://had.co.nz/
## Not run: p <- qplot(mpg, wt, data=mtcars, colour=factor(cyl)) p + scale_colour_grey() p + scale_colour_grey(end = 0) # You may want to turn off the pale grey background with this scale p + scale_colour_grey() + theme_bw ## End(Not run)