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
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.