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In this paper, we aim to estimate block-diagonal covariance matrices for Gaussian data in high dimension and in fixed dimension. We first estimate the block-diagonal structure of the covariance matrix by theoretical and practical estimators which are
Externí odkaz:
http://arxiv.org/abs/1907.12780
In the context of regression analysis, importance measures are effective tools to perform feature selection or to interpret a model by ranking the most influential regressors. In particular, variance-based importance measures (VIMs) are prominent in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______4074::a152461aa4c298f659f49131b2732647
https://hal.science/hal-04102053/file/VIMlinear_HAL.pdf
https://hal.science/hal-04102053/file/VIMlinear_HAL.pdf
Akademický článek
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Autor:
Clouvel, Laura
Publikováno v:
Data Analysis, Statistics and Probability [physics.data-an]. Université Paris Saclay (COmUE), 2019. English. ⟨NNT : 2019SACLS414⟩
The vessel neutron irradiation, which cannot be replaced, is one of the limiting factors for pressurized water reactor (PWR) lifetime. Surveillance programmes are therefore necessary for safety assessment and for verifying the vessel structural integ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::bd66aae491a91e2e5241e9dc34cbcd8a
https://theses.hal.science/tel-02555329
https://theses.hal.science/tel-02555329