Applied Machine Learning Explainability Techniques by Aditya Bhattacharya

Author:Aditya Bhattacharya
Language: eng
Format: epub
Publisher: Packt Publishing Pvt Ltd
Published: 2022-07-02T00:00:00+00:00

Figure 6.1 – Visual illustration of the scenario discussed in the What are Shapley values? section

So, in this scenario, Alice, Bob, and Charlie are part of the same team, playing the same game (which is the Kaggle competition). In game theory, this is referred to as a Coalition Game. The prize money for the competition is their payout. So, Shapley values tell us the average contribution of each player to the payout ensuring a fair distribution. But why not just equally distribute the prize money between all the players? Well, since the contributions are not equal, it is not fair to distribute the money equally.

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