google "copula plots".

Neither text search nor image search for that term produced anything that (to me) seemed relevant. If something stood out for you, could you please post a direct link?

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^2: Randomly biased, random numbers. by BrowserUk
in thread Randomly biased, random numbers. by BrowserUk

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