map_colour_gradient {ggplot} | R Documentation |
Map values to a colour gradient
map_colour_gradient(x, low="red", mid="white",high="black", midpoint = 0, from=range(x, na.rm=TRUE))
x |
data vector |
low |
colour to use at bottom of scale |
mid |
colour to use at middle of scale |
high |
colour to use at top of scale |
midpoint |
where mid point colour should be used |
from |
Hadley Wickham <h.wickham@gmail.com>