1 code implementation • 21 Mar 2024 • Giulia Baracchini, Ju-Chi Yu, Jenny Rieck, Derek Beaton, Vincent Guillemot, Cheryl Grady, Herve Abdi, R. Nathan Spreng
Similarity analyses between multiple correlation or covariance tables constitute the cornerstone of network neuroscience.
no code implementations • 29 Oct 2016 • Tommy Löfstedt, Fouad Hadj-Selem, Vincent Guillemot, Cathy Philippe, Nicolas Raymond, Edouard Duchesney, Vincent Frouin, Arthur Tenenhaus
However, for technical reasons, the variable selection offered by SGCCA was restricted to a covariance link between the blocks (i. e., with $\tau=1$).
no code implementations • 31 May 2016 • Fouad Hadj-Selem, Tommy Lofstedt, Elvis Dohmatob, Vincent Frouin, Mathieu Dubois, Vincent Guillemot, Edouard Duchesnay
Nesterov's smoothing technique can be used to minimize a large number of non-smooth convex structured penalties but reasonable precision requires a small smoothing parameter, which slows down the convergence speed.