[R] ggplot / second axis / just a notation problem
Eric Berger
ericjberger at gmail.com
Tue Oct 17 11:47:33 CEST 2017
Hi John,
Why not just try both and see which one makes sense?
On Tue, Oct 17, 2017 at 12:24 PM, John <miaojpm at gmail.com> wrote:
> Hi,
>
> I have a question on ggplot2 with the second axis, but I don't think one
> needs to know ggplot2 package in order to answer this question.
>
> In this example,
> https://rpubs.com/MarkusLoew/226759
> since the transformation of the second axis is given by y1=y2*5,
> #####
> p <- p + scale_y_continuous(sec.axis = sec_axis(~.*5, name = "Relative
> humidity [%]"))
> #####
> Note "~.*5"
> What can I do if the transformation is given by y1=y2-3 or y1=y2/5?
> Should I write "~.-3" or "~./5"?
>
> Thanks,
>
> John
>
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>
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