HYDRA: Hypergradient Data Relevance Analysis for Interpreting Deep Neural Networks

Fuente: arXiv
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Autori principali: Chen, Yuanyuan, Li, Boyang, Yu, Han, Wu, Pengcheng, Miao, Chunyan
Natura: Preprint
Pubblicazione: 2021
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author Chen, Yuanyuan
Li, Boyang
Yu, Han
Wu, Pengcheng
Miao, Chunyan
author_facet Chen, Yuanyuan
Li, Boyang
Yu, Han
Wu, Pengcheng
Miao, Chunyan
contents The behaviors of deep neural networks (DNNs) are notoriously resistant to human interpretations. In this paper, we propose Hypergradient Data Relevance Analysis, or HYDRA, which interprets the predictions made by DNNs as effects of their training data. Existing approaches generally estimate data contributions around the final model parameters and ignore how the training data shape the optimization trajectory. By unrolling the hypergradient of test loss w.r.t. the weights of training data, HYDRA assesses the contribution of training data toward test data points throughout the training trajectory. In order to accelerate computation, we remove the Hessian from the calculation and prove that, under moderate conditions, the approximation error is bounded. Corroborating this theoretical claim, empirical results indicate the error is indeed small. In addition, we quantitatively demonstrate that HYDRA outperforms influence functions in accurately estimating data contribution and detecting noisy data labels. The source code is available at https://github.com/cyyever/aaai_hydra_8686.
format Preprint
id arxiv_https___arxiv_org_abs_2102_02515
institution arXiv
publishDate 2021
record_format arxiv
spellingShingle HYDRA: Hypergradient Data Relevance Analysis for Interpreting Deep Neural Networks
Chen, Yuanyuan
Li, Boyang
Yu, Han
Wu, Pengcheng
Miao, Chunyan
Machine Learning
The behaviors of deep neural networks (DNNs) are notoriously resistant to human interpretations. In this paper, we propose Hypergradient Data Relevance Analysis, or HYDRA, which interprets the predictions made by DNNs as effects of their training data. Existing approaches generally estimate data contributions around the final model parameters and ignore how the training data shape the optimization trajectory. By unrolling the hypergradient of test loss w.r.t. the weights of training data, HYDRA assesses the contribution of training data toward test data points throughout the training trajectory. In order to accelerate computation, we remove the Hessian from the calculation and prove that, under moderate conditions, the approximation error is bounded. Corroborating this theoretical claim, empirical results indicate the error is indeed small. In addition, we quantitatively demonstrate that HYDRA outperforms influence functions in accurately estimating data contribution and detecting noisy data labels. The source code is available at https://github.com/cyyever/aaai_hydra_8686.
title HYDRA: Hypergradient Data Relevance Analysis for Interpreting Deep Neural Networks
topic Machine Learning
url https://arxiv.org/abs/2102.02515