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Xinwei Shen

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#machine learning Preprint Oct 2026

Generalized Engression Models

We consider estimating the conditional distribution of a multivariate outcome given covariates when its coordinates may be continuous, binary, categorical, ordinal or rankings, and are conditionally dependent on one another. Different statistical methods have been developed for each outcome type, and most of them targe...

Xin-Wei Shen, Zi-Jian Guo, Francis Bach · 0 citations
Preprint Sep 2026

GCMagicc v1: a fast generative emulator for multivariate climate-impact ensembles

GCMagicc is a hybrid model that pairs a simple physical climate model with machine learning to generate ensembles of 10 climate variables at the resolution of full-scale Earth system models, without relying on GPU resources or retraining for new scenarios.

N. Meinshausen, M. Meinshausen, J. Lewis et al. · 1 citation
Preprint Jul 2026

Emputation: Identification-Guided Neural Imputation Framework

It is shown that the population minimizer of the emputation risk recovers the target extrapolation distribution under a broad class of identification assumptions, including several missing-not-at-random assumptions.

Yanjiao Yang, Yikun Zhang, Xinwei Shen et al. · 0 citations

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