[R] split a y-axis to show data on different scales

[Jim Lemon]

Rashmi Mathur wrote:
> Hello,
> 
> How do I split a y-axis to plot data on different scales?
> 
> Eg:
> 
> x <- 1:10
> y <- c(-0.01,0.79,0.74,0.55,-0.67,0.32,-0.47,-0.05,723,759)
> plot(x,y)
> 
> I'd like to show these data on the same plot, but the way it's written, all
> contrast in the first 8 data points is lost.  Can R split a y-axis for me?
> 
Hi Rashmi,

Although Hadley's answer is relevant (displaying vastly different ranges 
of data can be dangerous) you might find that gap.plot in the plotrix 
package will do the dirty deed.

Jim