position_dodgev | R Documentation |
Adjust position by dodging overlaps to the side.
position_dodgev(height = NULL)
height |
Dodging height, when different to the height of the individual elements. This is useful when you want to align narrow geoms with wider geoms. See the examples for a use case. |
ggplot(mtcars, aes(factor(cyl), fill = factor(vs))) + geom_bar(position = "dodge") ggplot(diamonds, aes(price, fill = cut)) + geom_histogram(position="dodge") # see ?geom_boxplot and ?geom_bar for more examples # To dodge items with different heights, you need to be explicit df <- data.frame(x=c("a","a","b","b"), y=2:5, g = rep(1:2, 2)) p <- ggplot(df, aes(x, y, group = g)) + geom_bar( stat = "identity", position = "dodge", fill = "grey50", colour = "black" ) p # A line range has no height: p + geom_linerange(aes(ymin = y-1, ymax = y+1), position = "dodge") # You need to explicitly specify the height 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, height = 0.2), position = position_dodge(width = 0.90))
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