[R] histogram with bars colored according to a vector of values

Jim Lemon jim at bitwrit.com.au
Fri Jul 26 07:55:56 CEST 2013

On 07/26/2013 12:13 PM, john d wrote:
> Dear all,
> Let's say I have the following data.frame:
> dat<-data.frame(x=rnorm(100), y=rnorm(100,2))
> and I plot a histogram of variable x, somethink like:
> hist(dat$x, breaks=-5:5)
> Now, I'd like to color each bar according to the mean of the cases
> according to y. For instance, the color of the bar between -2 and -1 should
> reflect the mean of variable y for the corresponding cases. Any suggestions?
> John
Hi John,
Try this:



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