Re: [R] barplot beside=TRUE - values differ on scales

```I have suspect that the most common answer to this will be 'don't', for all the
reasons statisticians don't like mixing vertical scales on the same plot. See
for one article on that topic.```
```
But if you must, is there any reason you can't divide the first row by (say)
1000, barplot normally with axes=false, and then put an explicit axis up each
side with something like
axis(2, at=seq(0,3, 0.5), labels= seq(0,2500,500)) ) #first row axis, left
column
axis(4)

S Ellison

> -----Original Message-----
> From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Adrian
> Johnson
> Sent: 12 October 2016 17:21
> To: r-help
> Subject: [R] barplot beside=TRUE - values differ on scales
>
> Dear group,
> I have been struggling to barplot two different measurements from one
> subject. These two measures differ in range.  I want to plot row 1 axis on
> left
> side and row 2 values on right side.
>
> For a given column I want to plot GN and CN next to each other.
>
> my dput code is below
> :
>
> structure(c(112L, 0L, 579L, 1L, 131L, 1L, 2234L, 2L, 2892L, 1L, 528L, 0L,
> 582L, 2L),
> .Dim = c(2L, 7L), .Dimnames = list(c("GN", "CN"), c("DC5", "DC8", "DC14",
> "DC18", "DC19", "DC20", "DC23"
> )))
>
>
> As you can see:
>    DC5 DC8 DC14 DC18 DC19 DC20 DC23
> GN 112 579  131 2234 2892  528  582
> CN   0   1    1    2    1    0    2
>
> GN values are range from 100 - 3000
> while CN are always -2 or -1 or 0 or 1 or 2
>
> Also I cannot log GN values and plot because a difference in 100 units also
> matters in my experiment.
>
> Any help would be greatly appreciated.
>
> Thanks
>
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.

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```