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

From: Jim Lemon <jim_at_bitwrit.com.au>
Date: Tue 15 Aug 2006 - 09:46:50 EST

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



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