[R] how to label customized y axis when using lattice parallel parameter common.scale=TRUE

[Deepayan Sarkar]

On Tue, Apr 5, 2011 at 4:39 PM, Pengcheng Yang <pengchy at gmail.com> wrote:
> Dear all,
>
> When I use parallel function in lattice package, I want to label the y-axis
> with customized numbers. Like this:
>
> parallel(~iris[1:4] | Species, iris,horiz=FALSE,common.scale=TRUE,
>    scales=list(y=list(at=c(0,2,3))))

Parallel does not directly support that, and will insist on scaling
the data. However, you can control the scaling (using 'lower' and
'upper'), and override a couple of other arguments to get what you
want:

parallel(~iris[1:4] | Species, iris,
         xlim = extendrange(range(iris[1:4])),
         scales = list(x = list(at = NULL, labels = NULL)),
         lower = 0, upper = 1)

This is for horizontal.axis = TRUE, adjust accordingly for FALSE.

-Deepayan

>
> But only "Min" label in the y-axis, nothing happened. Could anyone help me?
>
> Thanks.
> Regards,
>
> Pengcheng Yang
>
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