Implementing Convex Optimization in R: Two Econometric Examples

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Tác giả: Zhan Gao, Zhentao Shi

Ngôn ngữ: eng

Ký hiệu phân loại: 519.7 Programming

Thông tin xuất bản: 2018

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Bộ sưu tập: Metadata

ID: 162031

Economists specify high-dimensional models to address heterogeneity in empirical studies with complex big data. Estimation of these models calls for optimization techniques to handle a large number of parameters. Convex problems can be effectively executed in modern statistical programming languages. We complement Koenker and Mizera (2014)'s work on numerical implementation of convex optimization, with focus on high-dimensional econometric estimators. Combining R and the convex solver MOSEK achieves faster speed and equivalent accuracy, demonstrated by examples from Su, Shi, and Phillips (2016) and Shi (2016). Robust performance of convex optimization is witnessed cross platforms. The convenience and reliability of convex optimization in R make it easy to turn new ideas into prototypes.
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