ggarea {ggplot}R Documentation

Grob function: area

Description

Add an filled area to a plot.

Usage

ggarea(plot = .PLOT, aesthetics=list(), ..., data=NULL)

Arguments

plot x positions
aesthetics y positions
... id variable used to separate observations into different areas
data colour
pattern
...

Details

Aesthetic mappings that this grob function understands:

These can be specified in the plot defaults (see ggplot) or in the aesthetics argument. If you want to modify the position of the points or any axis options, you will need to add a position scale to the plot. These functions start with ps, eg. pscontinuous or pscategorical

Other options:

Author(s)

Hadley Wickham <h.wickham@gmail.com>

Examples

huron <- data.frame(year = 1875:1972, level = as.vector(LakeHuron))
p <- ggplot(huron, aes=list(y=level, x=year))
ggarea(p)
ggarea(p, colour="black")
ggline(ggarea(p)) # better
qplot(year, level, data=huron, type=c("area", "line"))
ggarea(p, fill=alpha("grey80", 0.5))
pscontinuous(ggarea(p), "y", range=c(0,NA))

[Package ggplot version 0.4.2 Index]