DiCoFlex: Model-agnostic diverse counterfactuals with flexible control

Fuente: arXiv
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Autori principali: Furman, Oleksii, Movsum-zada, Ulvi, Marszalek, Patryk, Zięba, Maciej, Śmieja, Marek
Natura: Preprint
Pubblicazione: 2025
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author Furman, Oleksii
Movsum-zada, Ulvi
Marszalek, Patryk
Zięba, Maciej
Śmieja, Marek
author_facet Furman, Oleksii
Movsum-zada, Ulvi
Marszalek, Patryk
Zięba, Maciej
Śmieja, Marek
contents Counterfactual explanations play a pivotal role in explainable artificial intelligence (XAI) by offering intuitive, human-understandable alternatives that elucidate machine learning model decisions. Despite their significance, existing methods for generating counterfactuals often require constant access to the predictive model, involve computationally intensive optimization for each instance and lack the flexibility to adapt to new user-defined constraints without retraining. In this paper, we propose DiCoFlex, a novel model-agnostic, conditional generative framework that produces multiple diverse counterfactuals in a single forward pass. Leveraging conditional normalizing flows trained solely on labeled data, DiCoFlex addresses key limitations by enabling real-time user-driven customization of constraints such as sparsity and actionability at inference time. Extensive experiments on standard benchmark datasets show that DiCoFlex outperforms existing methods in terms of validity, diversity, proximity, and constraint adherence, making it a practical and scalable solution for counterfactual generation in sensitive decision-making domains.
format Preprint
id arxiv_https___arxiv_org_abs_2505_23700
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle DiCoFlex: Model-agnostic diverse counterfactuals with flexible control
Furman, Oleksii
Movsum-zada, Ulvi
Marszalek, Patryk
Zięba, Maciej
Śmieja, Marek
Machine Learning
Counterfactual explanations play a pivotal role in explainable artificial intelligence (XAI) by offering intuitive, human-understandable alternatives that elucidate machine learning model decisions. Despite their significance, existing methods for generating counterfactuals often require constant access to the predictive model, involve computationally intensive optimization for each instance and lack the flexibility to adapt to new user-defined constraints without retraining. In this paper, we propose DiCoFlex, a novel model-agnostic, conditional generative framework that produces multiple diverse counterfactuals in a single forward pass. Leveraging conditional normalizing flows trained solely on labeled data, DiCoFlex addresses key limitations by enabling real-time user-driven customization of constraints such as sparsity and actionability at inference time. Extensive experiments on standard benchmark datasets show that DiCoFlex outperforms existing methods in terms of validity, diversity, proximity, and constraint adherence, making it a practical and scalable solution for counterfactual generation in sensitive decision-making domains.
title DiCoFlex: Model-agnostic diverse counterfactuals with flexible control
topic Machine Learning
url https://arxiv.org/abs/2505.23700