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LES COLLOQUIUM


Responsable du Colloquium : P.SCHAUENBURG

  • Lieu : Salle René Baire - Aile A - Etage 4
    Dates et Horaires :
  • Un Jeudi sur deux (à peu près), 16h30 - 17h30

les prochaines séances planifiées sont listées ci-dessous, tandis que les séances qui ont déjà eu lieu sont consultables sur la page d’archives


Colloquium

Jeudi 6 avril 16:30-17:30 - David Haziza - Université de Montréal

Multiply robust imputation procedures for the treatment of item nonresponse in surveys

Résumé : Item nonresponse in surveys is often treated through some form of
imputation. We introduce multiply robust imputation in finite population
sampling. This is closely related to multiple robustness, which extends
double robustness. In practice, multiple nonresponse models and multiple
imputation models may be fitted, each involving different subsets of
covariates and possibly different link functions. An imputation procedure is
said to be multiply robust if the resulting estimator is consistent when all
models but one are misspecified. A jackknife variance estimator is proposed
and shown to be consistent. Random and fractional imputation procedures are
discussed. A simulation study suggests that the proposed estimation
procedures have low bias and high efficiency.




Colloquium

Jeudi 18 mai 16:30-17:30 - Krzysztof Kurdyka - Université Savoie Mont Blanc

Colloquium