Search Results for author: Ingrid Van Keilegom

Found 5 papers, 2 papers with code

Instrumental variable estimation of the proportional hazards model by presmoothing

no code implementations5 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).

regression

Instrumental variable quantile regression under random right censoring

no code implementations3 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.

regression

Testing for homogeneous treatment effects in linear and nonparametric instrumental variable models

no code implementations10 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.

Semi-Parametric Estimation of Incubation and Generation Times by Means of Laguerre Polynomials

1 code implementation31 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

On an extension of the promotion time cure model

1 code implementation4 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

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