[R] bar plot colors

Jim Lemon jim at bitwrit.com.au
Wed Dec 19 10:36:50 CET 2007

John Kane wrote:
> I think you're going to find that barchart with that
> many values in a bar is going to be pretty well
> uninterpretable.  
> Jim Lemon gives the desired barchart but it is very
> difficult to read.  
> Stealing his code to create the same matrix I'd
> suggest may be looking at a dotchart.  I'm not sure if
> this is even close to an optimal solution but I do
> think it's a bit better than a barchart approach
> ======================================================
> heights<-matrix(sample(10:70,54),ncol=3)
> bar.colors<-rep(rep(2:7,each=3),3)
> cost.types <- c("Direct", "Indirec", "Induced")
> colnames(heights) <-  c("A", "B", "C")
> rownames(heights) <- c(rep(cost.types, 6))
> dotchart(heights, col=bar.colors, pch=16, cex=.6)
> =======================================================
Very nice John, but it does look like someone dropped the M&Ms.

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