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- W4299933434 abstract "We provide a selected overview of methodology and theory for estimation and inference on the edge weights in high-dimensional directed and undirected Gaussian graphical models. For undirected graphical models, two main explicit constructions are provided: one based on a global method that maximizes the joint likelihood (the graphical Lasso) and one based on a local (nodewise) method that sequentially applies the Lasso to estimate the neighbourhood of each node. The proposed estimators lead to confidence intervals for edge weights and recovery of the edge structure. We evaluate their empirical performance in an extensive simulation study. The theoretical guarantees for the methods are achieved under a sparsity condition relative to the sample size and regularity conditions. For directed acyclic graphs, we apply similar ideas to construct confidence intervals for edge weights, when the directed acyclic graph is identifiable." @default.
- W4299933434 created "2022-10-03" @default.
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- W4299933434 date "2018-01-25" @default.
- W4299933434 modified "2023-10-18" @default.
- W4299933434 title "Inference in high-dimensional graphical models" @default.
- W4299933434 doi "https://doi.org/10.48550/arxiv.1801.08512" @default.
- W4299933434 hasPublicationYear "2018" @default.
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