activity
20182026
most citedA Comparative Study of Methods for Estimating Conditional Shapley Values and When to Use Them

22 citations · 32 across the 13 of their papers we have counts for

collaborators

15 papers

stat.ML2026

How important are the genes to explain the outcome - the asymmetric Shapley value as an honest importance metric for high-dimensional features

Mark A. van de Wiel, Jeroen Goedhart, Martin Jullum +1

In clinical prediction settings the importance of a high-dimensional feature like genomics is often assessed by evaluating the change in predictive performance when adding it to a…

stat.ML2023★ 22 cited

A Comparative Study of Methods for Estimating Conditional Shapley Values and When to Use Them

Lars Henry Berge Olsen, Ingrid Kristine Glad, Martin Jullum +1

Shapley values originated in cooperative game theory but are extensively used today as a model-agnostic explanation framework to explain predictions made by complex machine learnin…

q-fin.RM2022★ 2 cited

Multimodal Generative Models for Bankruptcy Prediction Using Textual Data

Rogelio A. Mancisidor, Kjersti Aas

Textual data from financial filings, e.g., the Management's Discussion & Analysis (MDA) section in Form 10-K, has been used to improve the prediction accuracy of bankruptcy models.…

stat.AP2022

Exabel's Factor Model

Øyvind Grotmol, Michael Scheuerer, Kjersti Aas +1

Factor models have become a common and valued tool for understanding the risks associated with an investing strategy. In this report we describe Exabel's factor model, we quantify…

stat.AP2022

Performance evaluation of volatility estimation methods for Exabel

Øyvind Grotmol, Martin Jullum, Kjersti Aas +1

Quantifying both historic and future volatility is key in portfolio risk management. This note presents and compares estimation strategies for volatility estimation in an estimatio…

stat.ML2021

Using Shapley Values and Variational Autoencoders to Explain Predictive Models with Dependent Mixed Features

Lars Henry Berge Olsen, Ingrid Kristine Glad, Martin Jullum +1

Shapley values are today extensively used as a model-agnostic explanation framework to explain complex predictive machine learning models. Shapley values have desirable theoretical…