Example:
boxplot(d1$b ~ d1$a, pars = list(boxwex = 0.15), at=c(1:3 - 0.1), xaxt="n")
boxplot(d2$b ~ d2$a, add=T, pars = list(boxwex = 0.15), at=c(1:3 + 0.1),
xaxt="n")
axis(1, at=1:3)
Uwe
Malcolm Ryan wrote:
Is there any way to get a boxplot of several data sets beside one
another on the same graph, as there is for barplot?
If I do:
d1 <- data.frame(a = c(rep(1:3, each = 3)), b = c(1:9))
d2 <- data.frame(a = c(rep(1:3, each = 3)), b = c(9:1))
boxplot(d1$b ~ d1$a)
boxplot(d2$b ~ d2$a, add=T)
It will show the two datasets on the one graph, but the middle point
will overlap.
What I want is a layout more like:
barplot(t(matrix(c(d1$b, d2$b), ncol=2)), beside=T)
only showing the boxes from the plot above instead of bars.
Can this be done?
Malcolm
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