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Nonparametric inference for censored data using deep neural networks

Wen Su et al.

Journal of the Royal Statistical Society. Series B: Statistical Methodology2026https://doi.org/10.1093/jrsssb/qkag060article
AJG 4
Weight
0.50

Abstract

We propose a novel deep learning approach to nonparametric statistical inference for the conditional hazard function of survival time with right-censored data. We use a deep neural network (DNN) to approximate the logarithm of a conditional hazard function given covariates and obtain a DNN likelihood-based estimator of the conditional hazard function. Such an estimation approach enhances model flexibility and hence relaxes structural and functional assumptions on conditional hazard or survival functions. We establish the nonasymptotic error bound and functional asymptotic normality of the proposed estimator. Subsequently, we develop new one-sample tests for goodness-of-fit evaluation and two-sample tests for treatment comparison. Notably, we design a new test specifically tailored for testing nonparametric Cox models. The consistency of these tests is established by analyzing the power functions. Both simulation studies and real application analysis show superior performances of the proposed estimators and tests in comparison with existing methods.

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https://doi.org/https://doi.org/10.1093/jrsssb/qkag060

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@article{wen2026,
  title        = {{Nonparametric inference for censored data using deep neural networks}},
  author       = {Wen Su et al.},
  journal      = {Journal of the Royal Statistical Society. Series B: Statistical Methodology},
  year         = {2026},
  doi          = {https://doi.org/https://doi.org/10.1093/jrsssb/qkag060},
}

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Nonparametric inference for censored data using deep neural networks

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