mlsanityData to 7 Oct 2026

Trimmed Density Ratio Estimation

arXiv 1703.03216 ↗First posted 9 Mar 2017stat.MLcited by 15

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Abstract (arXiv)

Density ratio estimation is a vital tool in both machine learning and statistical community. However, due to the unbounded nature of density ratio, the estimation procedure can be vulnerable to corrupted data points, which often pushes the estimated ratio toward infinity. In this paper, we present a robust estimator which automatically identifies and trims outliers. The proposed estimator has a convex formulation, and the global optimum can be obtained via subgradient descent. We analyze the parameter estimation error of this estimator under high-dimensional settings. Experiments are conducted to verify the effectiveness of the estimator.

Key facts. Cited by 15 papers in the map (data through 7 Oct 2026). First posted on arXiv 9 Mar 2017.

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Cited by year (2026 to 7 Oct)

Citing papers per year: 2021: 4; 2022: 1; 2023: 2; 2024: 2; 2025: 2; 2026: 4.

15 papers.

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  1. 2021Mandoline: Model Evaluation under Distribution Shiftcited by 55
  2. 2024A Short Survey on Importance Weighting for Machine Learningcited by 15
  3. 2023Multiply Robust Federated Estimation of Targeted Average Treatment Effectscited by 13
  4. 2021Meta-Learning for Relative Density-Ratio Estimationcited by 6
  5. 2021A Unified Framework for Multi-distribution Density Ratio Estimationcited by 5
  6. 2024General Frameworks for Conditional Two-Sample Testingcited by 3
  7. 2025Diffusion Secant Alignment for Score-Based Density Ratio Estimationcited by 3
  8. 2026A Minimum Variance Path Principle for Accurate and Stable Score-Based Density Ratio Estimationcited by 3
  9. 2021Estimation of Local Average Treatment Effect by Data Combinationcited by 2
  10. 2023Density Ratio Estimation and Neyman Pearson Classification with Missing Datacited by 2
  11. 2026Weight Clipping for Robust Conformal Inference under Unbounded Covariate Shiftscited by 2
  12. 2022Unsupervised Change Detection using DRE-CUSUMcited by 1
3 more
  1. 2026One-Step Score-Based Density Ratio Estimationcited by 1
  2. 2026Towards Disentangled Preference Optimization Dynamics: Suppress the Loser, Preserve the Winnercited by 1
  3. 2025Robust and Sparse Estimation of Unbounded Density Ratio under Heavy Contaminationcited by 0