27 citations · 54 across the 18 of their papers we have counts for
4 papers · 1 filter
Nearest neighbor empirical processes
François Portier
In the regression framework, the empirical measure based on the responses resulting from the nearest neighbors, among the covariates, to a given point is introduced and studied…
Tail inverse regression for dimension reduction with extreme response
Anass Aghbalou, François Portier, Anne Sabourin +1
We consider the problem of supervised dimension reduction with a particular focus on extreme values of the target to be explained by a covariate vector $X \in \mat…
Individual Survival Curves with Conditional Normalizing Flows
Guillaume Ausset, Tom Ciffreo, Francois Portier +2
Survival analysis, or time-to-event modelling, is a classical statistical problem that has garnered a lot of interest for its practical use in epidemiology, demographics or actuari…
SGD with Coordinate Sampling: Theory and Practice
Rémi Leluc, François Portier
While classical forms of stochastic gradient descent algorithm treat the different coordinates in the same way, a framework allowing for adaptive (non uniform) coordinate sampling…