Search Results for author: Karla Diaz-Ordaz

Found 3 papers, 2 papers with code

Explainable AI for survival analysis: a median-SHAP approach

no code implementations30 Jan 2024 Lucile Ter-Minassian, Sahra Ghalebikesabi, Karla Diaz-Ordaz, Chris Holmes

With the adoption of machine learning into routine clinical practice comes the need for Explainable AI methods tailored to medical applications.

Survival Analysis

PWSHAP: A Path-Wise Explanation Model for Targeted Variables

1 code implementation26 Jun 2023 Lucile Ter-Minassian, Oscar Clivio, Karla Diaz-Ordaz, Robin J. Evans, Chris Holmes

We introduce Path-Wise Shapley effects (PWSHAP), a framework for assessing the targeted effect of a binary (e. g.~treatment) variable from a complex outcome model.

Decision Making Explainable Artificial Intelligence (XAI)

On Locality of Local Explanation Models

1 code implementation NeurIPS 2021 Sahra Ghalebikesabi, Lucile Ter-Minassian, Karla Diaz-Ordaz, Chris Holmes

Empirically, we observe that Neighbourhood Shapley values identify meaningful sparse feature relevance attributions that provide insight into local model behaviour, complimenting conventional Shapley analysis.

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