Cotrending: Testing for common deterministic trends in varying means model
Cotrending: Testing for common deterministic trends in varying means model
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Cotrending:测试不同均值模型中的常见确定性趋势
DOI:
10.1016/j.jmva.2021.104825
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
R. Sundararajan
中科院分区:
文献类型:
--
作者:
M.-C. Düker;V. Pipiras;R. Sundararajan
In a varying means model, the temporary evolution of a p-vector system is determined by p deterministic nonparametric functions superimposed by error terms, possibly dependent cross sectionally. The basic interest is in linear combinations across the p dimensions that make the deterministic functions constant over time. The number of such linearly independent linear combinations is referred to as a cotrending dimension, and their spanned space as a cotrending space. This work puts forward a framework to test statistically for cotrending dimension and space. Connections to principal component analysis and cointegration are also considered. Finally, a simulation study to assess the finite-sample performance of the proposed tests, and applications to several real data sets are also provided.
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