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I am trying to extract modes from a multi-modal density function and not just peaks. For example, in the two density functions below (images), I would like to extract the curves contained in the black circles and ellipses. We consider that we don't know the a priori number of modes and we can't visualize the curve of the density function since I deal with hundreds of them.

I have not found concrete solutions on the internet. I will be grateful for any help.

probability density function

probability density function

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    $\begingroup$ If your plots are representative, then you might want to model your data as gaussian-mixture-distributions with an unknown number of components. You might want to search for ways to do so, perhaps look through our threads with that tag. $\endgroup$
    – Stephan Kolassa
    Commented Mar 3, 2021 at 15:36

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