Improved Feature Importance Computations for Tree Models: Shapley vs. Banzhaf

no code implementations • 9 Aug 2021 • Adam Karczmarz, Anish Mukherjee, Piotr Sankowski, Piotr Wygocki

Using the computational techniques developed for Shapley values we deliver an optimal $O(TL+n)$ time algorithm for computing Banzhaf values based explanations.

Feature Importance

RecSys Challenge 2016: job recommendations based on preselection of offers and gradient boosting

no code implementations • 3 Dec 2016 • Andrzej Pacuk, Piotr Sankowski, Karol Węgrzycki, Adam Witkowski, Piotr Wygocki

We present the Mim-Solution's approach to the RecSys Challenge 2016, which ranked 2nd.

regression