Three times in the past month, I've run across occasions where Shapley values were mentioned or would have been useful. There are a couple of good explainers of Shapley value already on the internet, but what most of them lack is a bunch of worked examples. I find that many times, the limiting factor in my ability to understand a concept is whether or not I've been exposed to multiple examples—so this post is where I'll be posting some of the examples I worked through to understand how Shapley value works.
I'll start with a brief overview of Shapley value, but first, a caveat. I think it's fine to skim most of the... (read 2172 more words →)
From this twitter thread by Jonathan Gorard, lightly edited by me https://x.com/getjonwithit/status/2009602836997505255?s=20
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