ggplot2 (version 0.9.2.1)

position_dodge: Adjust position by dodging overlaps to the side.

Description

Adjust position by dodging overlaps to the side.

Usage

position_dodge(width = NULL, height = NULL)

Arguments

width
Manually specify width (does not affect all position adjustments)
height
Manually specify height (does not affect all position adjustments)

See Also

Other position adjustments: position_fill, position_identity, position_jitter, position_stack

Examples

Run this code
ggplot(mtcars, aes(x=factor(cyl), fill=factor(vs))) +
  geom_bar(position="dodge")
ggplot(diamonds, aes(x=price, fill=cut)) + geom_bar(position="dodge")
# see ?geom_boxplot and ?geom_bar for more examples

# Dodging things with different widths is tricky
df <- data.frame(x=c("a","a","b","b"), y=1:4)
(p <- qplot(x, y, data=df, position="dodge", geom="bar", stat="identity"))

p + geom_linerange(aes(ymin = y-1, ymax = y+1), position="dodge")
# You need to explicitly specify the width for dodging
p + geom_linerange(aes(ymin = y-1, ymax = y+1),
  position = position_dodge(width = 0.9))

# Similarly with error bars:
p + geom_errorbar(aes(ymin = y-1, ymax = y+1), width = 0.2,
  position="dodge")
p + geom_errorbar(aes(ymin = y-1, ymax = y+1, width = 0.2),
  position = position_dodge(width = 0.90))

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