Tom asked:

"Hi, I have a question about period-finding packages in python. I know that in IDL the Lomb-Scargle periodogram is commonly used, and I am looking for an equivalent function from some package somewhere.

I've googled "
Lomb Scargle python" (noquotes) and found a couple of possibly useful results, but nothing that was included in any of the modules recommended by this website (such as scipy).

Do you know of a good way to calculate Lomb-Scargle periodograms for unevenly-sampled data in python?" 

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