[R] overlaying two graphs / plots /lines

[Richard O'Keefe]

It's easy enough to do this,
the question is "what does it MEAN?"
If you overlay two graphs, what comparisons will
people naturally make, and what do
you want them to make?
What transformations on the x axis would make
two vertically aligned points about the "same" thing?
What transformations on the y axis would make
a vertical displacement of 1cm equally important
for the two frames?
This *semantic* alignment of the tables is too
important to leave up to some blind algorithm.

On Wed, 8 Feb 2023 at 09:57, Bogdan Tanasa <tanasa using gmail.com> wrote:

>  Dear all,
>
> Any suggestions on how I could overlay two or more graphs / plots / lines
> that have different sizes and the x axes have different breakpoints.
>
> One dataframe is : A :
>
> on x axis : 1 , 7, 9, 20, etc ... (100 elements)
> on y axis : 39, 91, 100, 3, etc ... (100 elements)
>
>
> The other dataframe is : B :
>
> on x axis : 10, 21, 67, 99, 200 etc .. (200 elements).
> on y axis :  9, 0, 89, 1000, 90, 1001. ... (200 elements).
>
> Thanks a lot,
>
> Bogdan
>
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>
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