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Invariant Coordinate Selection (ICS) is a multivariate technique that relies on the simultaneous diagonalization of two scatter matrices. It serves various purposes, including its use as a dimension reduction tool prior to clustering or outlier detec
Externí odkaz:
http://arxiv.org/abs/2409.17631
Autor:
Archimbaud, Aurore
Invariant coordinate selection (ICS) is an unsupervised multivariate data transformation useful in many contexts such as outlier detection or clustering. It is based on the simultaneous diagonalization of two affine equivariant and positive definite
Externí odkaz:
http://arxiv.org/abs/2409.02258
Autor:
Léa Gaume, Hélène Chabrolles, Maxime Bisseux, Igor Lopes Coqueiro, Lucie Dehouck, Audrey Mirand, Cécile Henquell, Fabien Gosselet, Christine Archimbaud, Jean-Luc Bailly
Publikováno v:
Microbiology Spectrum, Vol 12, Iss 11 (2024)
Externí odkaz:
https://doaj.org/article/842f63a2d8c148578221c91aee18e6f9
For multivariate data, tandem clustering is a well-known technique aiming to improve cluster identification through initial dimension reduction. Nevertheless, the usual approach using principal component analysis (PCA) has been criticized for focusin
Externí odkaz:
http://arxiv.org/abs/2212.06108
Publikováno v:
SIAM Journal on Mathematics of Data Science, 5, 97-121, 2023
Invariant Coordinate Selection (ICS) is a multivariate data transformation and a dimension reduction method that can be useful in many different contexts. It can be used for outlier detection or cluster identification, and can be seen as an independe
Externí odkaz:
http://arxiv.org/abs/2207.02131
Autor:
Archimbaud, Aurore, Boulfani, Feriel, Gendre, Xavier, Nordhausen, Klaus, Ruiz-Gazen, Anne, Virta, Joni
Publikováno v:
In Econometrics and Statistics January 2025 33:282-303
Autor:
Léa Gaume, Hélène Chabrolles, Maxime Bisseux, Igor Lopez-Coqueiro, Lucie Dehouck, Audrey Mirand, Cécile Henquell, Fabien Gosselet, Christine Archimbaud, Jean-Luc Bailly
Publikováno v:
Microbiology Spectrum, Vol 12, Iss 6 (2024)
ABSTRACT Enterovirus A71 (EV-A71) is associated with neurological conditions such as acute meningitis and encephalitis. The virus is detected in the bloodstream, and high blood viral loads are associated with central nervous system (CNS) manifestatio
Externí odkaz:
https://doaj.org/article/e9a1f0fdf2174ad882d99b9c407f3dd3
Publikováno v:
In Econometrics and Statistics March 2024
Autor:
Rea Bingula, Hélène Chabrolles, Benjamin Bonnet, Christine Archimbaud, Amélie Brebion, Justine Cosme, Amandine Ollier, Frédéric Dutheil, Maud Junda, Audrey Mirand, Christel Regagnon, Magali Vidal, Cécile Henquell, Bertrand Evrard
Publikováno v:
Emerging Microbes and Infections, Vol 12, Iss 1 (2023)
ABSTRACTThe third, “booster”, vaccination increases the overall immune response against SARS-CoV-2 variants. However, after the initial peak at around 3 weeks post-vaccination, anti-spike antibody levels decline. Post-booster kinetics of cellular
Externí odkaz:
https://doaj.org/article/916e497c45034af8b6da3664adaad1e0
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