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I'm doing some research into how different methods of finding the period with unevenly spaced data compare with each other. So far, I've looked at the Lomb-Scargle and String-Length Minimization. I was wondering if there are any other methods I've missed. Thanks!

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    $\begingroup$ I should add there may be others - I'm not saying my list of one is exhaustive. $\endgroup$
    – ProfRob
    Commented Oct 16, 2022 at 16:38

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A common method is to use the autocorrelation function (ACF).

A description of an application of this technique for finding the rotation periods of stars in Kepler data is given by McQuillan et al. (2013).

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