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• W3204015767 abstract "Abstract Spatial autoregressive models typically rely on the assumption that the spatial dependence structure is known in advance and is represented by a deterministic spatial weights matrix, although it is unknown in most empirical applications. Thus, we investigate the estimation of sparse spatial dependence structures for regular lattice data. In particular, an adaptive least absolute shrinkage and selection operator (lasso) is used to select and estimate the individual nonzero connections of the spatial weights matrix. To recover the spatial dependence structure, we propose cross‐sectional resampling, assuming that the random process is exchangeable. The estimation procedure is based on a two‐step approach to circumvent simultaneity issues that typically arise from endogenous spatial autoregressive dependencies. The two‐step adaptive lasso approach with cross‐sectional resampling is verified using Monte Carlo simulations. Eventually, we apply the procedure to model nitrogen dioxide concentrations and show that estimating the spatial dependence structure contrary to using prespecified weights matrices improves the prediction accuracy considerably." @default.
• W3204015767 created "2021-10-11" @default.
• W3204015767 creator A5082964885 @default.
• W3204015767 creator A5088904698 @default.
• W3204015767 date "2021-09-25" @default.
• W3204015767 modified "2023-10-02" @default.
• W3204015767 title "Estimation of the spatial weighting matrix for regular lattice data—An adaptive lasso approach with cross‐sectional resampling" @default.
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• W3204015767 doi "https://doi.org/10.1002/env.2705" @default.
• W3204015767 hasPublicationYear "2021" @default.
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