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TZID:Europe/Paris
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UID:67@map5.mi.parisdescartes.fr
DTSTART;TZID=Europe/Paris:20110328T150000
DTEND;TZID=Europe/Paris:20110328T180000
DTSTAMP:20230202T215617Z
URL:https://map5.mi.parisdescartes.fr/events/european-seminar-mathematical
 -methods-fo-survival-analysis-reliability-and-quality-of-life/
SUMMARY:European Seminar "Mathematical methods fo survival analysis\, relia
 bility and quality of life"
DESCRIPTION:15h Antoine Chambaz (Université Paris Descartes)\n"Modèles de
  régression seuillée adaptés aux études cas-témoins\, et le risque de
  cancer du poumon dû à des expositions professionnelles à l'amiante en 
 France."\n\nAbstract\n\nAsbestos has been known for many years as a powerf
 ul carcinogen. Our purpose is quantify the relationship between an occupat
 ional exposure to asbestos and an increase of the risk of lung cancer. Fur
 thermore\, we wish to tackle the very delicate question of the evaluation\
 , in subjects suffering from a lung cancer\, of how much the amount of exp
 osure to asbestos explains the occurrence of the cancer. For this purpose\
 , we rely on a recent French case-control study. We build a large collecti
 on of threshold regression models\, data-adaptively select a better model 
 in it by multi-fold likelihood-based cross-validation\, then fit the resul
 ting better model by maximum likelihood. A necessary preliminary step to e
 liminate the bias due to the case-control sampling design is made possible
  because the probability distribution of being a case can be computed befo
 rehand based on an independent study. The implications of the fitted model
  in terms of a notion of maximum number of years of life guaranteed free o
 f lung cancer are discussed.\n\nCeci est une collaboration avec C. Huber\,
  D. Choudat\, J-C. Pairon et M. J. van der Laan.\n15h45 Nikolaos Limnios (
 UTC\, LMAC\, Compiègne)\n"Random Evolutions in Semi-Markov Media and Esti
 mation Problems"\n\nAbstract\n\nWe present random evolutions in semi-Marko
 v media in discrete-time and their average and diffusion approximation. We
  present as an application some estimation problem. In particular an estim
 ator of the stationary process functional of a semi-Markov chain is propos
 ed and its asymptotic properties.\n16h30 Pause\n17h Ildar Ibragimov (Stekl
 ov Institute\, Saint Petersbourg\, Russie)\n"Nonparametric estimation of t
 he intensity density of Poisson processes. Asymptotic results."\n\nOrganiz
 ing committee\n\nC. Huber - N. Limnios - M. Mesbah - M. Nikulin\nUNIVERSIT
 ES :\nPARIS Descartes  UTC  PARIS VI  BORDEAUX 2
CATEGORIES:Journées Scientifiques
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