[feylikurds]

When I read the article in the beginning, I thought he was going do linear regression, later I believed that it was going to be logical regression. In the end, it was classification with clustering.

[190807]

I guess you meant logistic and not logical regression?

[XFrequentist]

GP certainly did, but "logic regression" is a real thing:

http://kooperberg.fhcrc.org/logic/

[feylikurds]

Yes, you are correct.