no code implementations • 28 Jul 2017 • Marc Szafraniec, Gautier Marti, Philippe Donnat
Information distribution by electronic messages is a privileged means of transmission for many businesses and individuals, often under the form of plain-text tables.
2 code implementations • ICML 2018 • Mikołaj Bińkowski, Gautier Marti, Philippe Donnat
We propose Significance-Offset Convolutional Neural Network, a deep convolutional network architecture for regression of multivariate asynchronous time series.
no code implementations • 1 Mar 2017 • Gautier Marti, Frank Nielsen, Mikołaj Bińkowski, Philippe Donnat
We review the state of the art of clustering financial time series and the study of their correlations alongside other interaction networks.
1 code implementation • 30 Oct 2016 • Gautier Marti, Sebastien Andler, Frank Nielsen, Philippe Donnat
We propose a methodology to explore and measure the pairwise correlations that exist between variables in a dataset.
no code implementations • 28 Apr 2016 • Gautier Marti, Sébastien Andler, Frank Nielsen, Philippe Donnat
This clustering methodology leverages copulas which are distributions encoding the dependence structure between several random variables.
no code implementations • 13 Mar 2016 • Gautier Marti, Sébastien Andler, Frank Nielsen, Philippe Donnat
Researchers have used from 30 days to several years of daily returns as source data for clustering financial time series based on their correlations.
no code implementations • 27 Sep 2015 • Gautier Marti, Frank Nielsen, Philippe Donnat
This paper presents a new methodology for clustering multivariate time series leveraging optimal transport between copulas.
no code implementations • 2 Jun 2015 • Gautier Marti, Philippe Very, Philippe Donnat
This paper presents a pre-processing and a distance which improve the performance of machine learning algorithms working on independent and identically distributed stochastic processes.