Thank you for all this great information. It will take me quite some time to digest it all.

BTW, while you may have "found humorous" how Neu, et al "demonstrated" a correlated, I found both hilarious and a textbook case of worshipping at the altar of black box methods the claim "The machine learning found a clear 3.52 year period, which is very close to the listed 1305 day period - 1305/365.25 = 3.57 years."

Cheerio!