no code implementations • 5 Sep 2023 • Lorenzo Tedesco, Jad Beyhum, Ingrid Van Keilegom
By making a rank invariance assumption, we can reformulate the proportional hazards model into a semiparametric version of the instrumental variable quantile regression model of Chernozhukov and Hansen (2005).
no code implementations • 3 Sep 2022 • Jad Beyhum, Lorenzo Tedesco, Ingrid Van Keilegom
The specification generates a continuum of equations of which the quantile regression coefficients are a solution.
no code implementations • 10 Aug 2022 • Jad Beyhum, Jean-Pierre Florens, Elia Lapenta, Ingrid Van Keilegom
This paper develops two tests for the assumption of homogeneous treatment effects when the treatment is endogenous and an instrumental variable is available.
1 code implementation • 31 Dec 2020 • Alexander Kreiss, Ingrid Van Keilegom
In epidemics many interesting quantities, like the reproduction number, depend on the incubation period (time from infection to symptom onset) and/or the generation time (time until a new person is infected from another infected person).
Statistics Theory Statistics Theory
1 code implementation • 4 Jun 2018 • François Portier, Ingrid Van Keilegom, Anouar El Ghouch
We consider the problem of estimating the distribution of time-to-event data that are subject to censoring and for which the event of interest might never occur, i. e., some subjects are cured.
Statistics Theory Methodology Statistics Theory