Nobody asked but …
There’s a lot of fur on this bear.
From Dictionary of Philosophy
Mill’s methods: Inductive methods formulated by John Stuart Mill for the discovery of causal relations between phenomena.Method of Concomitant Variations: Whatever phenomenon varies in any manner whenever another phenomenon varies in some particular manner, is either a cause or an effect of that phenomenon, or is connected with it through some fact of causation.
— Kilgore Forelle
For Mill’s Method #1, go here
For Mill’s Method #2, go here
For Mill’s Method #3, go here