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- W4287080905 abstract "In this paper, we develop an {em epsilon admissible subsets} (EAS) model selection approach for performing group variable selection in the high-dimensional multivariate regression setting. This EAS strategy is designed to estimate a posterior-like, generalized fiducial distribution over a parsimonious class of models in the setting of correlated predictors and/or in the absence of a sparsity assumption. The effectiveness of our approach, to this end, is demonstrated empirically in simulation studies, and is compared to other state-of-the-art model/variable selection procedures. Furthermore, assuming a matrix-Normal linear model we show that the EAS strategy achieves {em strong model selection consistency} in the high-dimensional setting if there does exist a sparse, true data generating set of predictors. In contrast to Bayesian approaches for model selection, our generalized fiducial approach completely avoids the problem of simultaneously having to specify arbitrary prior distributions for model parameters and penalize model complexity; our approach allows for inference directly on the model complexity. textcolor{black}{Implementation of the method is illustrated through yeast data to identify significant cell-cycle regulating transcription factors." @default.
- W4287080905 created "2022-07-25" @default.
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- W4287080905 date "2021-07-10" @default.
- W4287080905 modified "2023-09-26" @default.
- W4287080905 title "The EAS approach to variable selection for multivariate response data in high-dimensional settings" @default.
- W4287080905 doi "https://doi.org/10.48550/arxiv.2107.04873" @default.
- W4287080905 hasPublicationYear "2021" @default.
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