[Q] How to test the “strength” of correlation between two sets of data (at given points along the data)?

Hey all. I’m not great at statistics but I’m still fascinated by them. I was wondering if there happened to be a test that would allow one to test the correlation between two sets of data but chart it under the sets.

Something like the correlation coefficient but not just measuring if the two are moving “kinda the same”.

For example, if the two are moving perfectly relative to one another, give it a 1. If they’re moving sorta relative, give it a .8 etc.

Unless I’m using it wrong, the correlation I get is always 1 if they’re moving in the same direction, even if by wildly different rates.

Thanks! (hope I explained it ok, I’m really not great at this, admire the beauty of stats though!)

submitted by /u/loracsr
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Nevin Manimala

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