Learning under Target Shift: Optimal Density Ratio Estimation and Importance-Weighted Regression
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arXiv:2609.15785v1 Announce Type: new Abstract: We study density ratio estimation and importance-weighted regression under target shift with continuous outputs. Under target shift, the conditional distribution of the inputs given the outputs remains invariant across the training and test distributi…
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- 2026-09-15 04:00 · arXiv stat.ML
Learning under Target Shift: Optimal Density Ratio Estimation and Importance-Weighted Regression
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