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Heterogeneous multi-task feature learning with mixed l2,1 regularization
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AI
DOI：10.1007/s10994-023-06410-0.png)
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摘要
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Data integration is the process of extracting information from multiple sources and jointly analyzing different data sets. In this paper, we propose to use the mixed l(2,1) regularized composite quasi-likelihood function to perform multi-task feature learning with different types of responses, including continuous and discrete responses. For high dimensional settings, our result establishes the sign recovery consistency and estimation error bounds of the penalized estimates under regularity conditions. Simulation studies and real data analysis examples are provided to illustrate the utility of the proposed method to combine cor-related platforms with heterogeneous tasks and perform joint sparse estimation.
Keyword:
Data integration
Multi-task learning
Correlated feature learning
Composite quasi-likelihood
Penalized M-estimation
期刊
IF:
2.9
论文数:
2.7K
被引数:
3.4W
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分享收藏A Unified Framework for High-Dimensional Analysis of M-Estimators with Decomposable Regularizers.png)
STATISTICAL SCIENCE
OAAI
STATISTICAL SCIENCEIF3.4
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