{"id":4103,"date":"2019-01-04T12:40:43","date_gmt":"2019-01-04T12:40:43","guid":{"rendered":"https:\/\/detralytics.com\/?p=4103"},"modified":"2026-06-22T14:52:46","modified_gmt":"2026-06-22T14:52:46","slug":"des-triangles-agreges-aux-methodes-individuelles-revue-de-methodes-de-reservation-en-assurances-dommages","status":"publish","type":"post","link":"https:\/\/detralytics.com\/fr\/publications\/des-triangles-agreges-aux-methodes-individuelles-revue-de-methodes-de-reservation-en-assurances-dommages\/","title":{"rendered":"Des triangles agr\u00e9g\u00e9s aux m\u00e9thodes individuelles : revue de m\u00e9thodes de r\u00e9servation en assurances dommages"},"content":{"rendered":"
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Des triangles agr\u00e9g\u00e9s aux m\u00e9thodes individuelles<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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DetraNote 2019-1<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Introduction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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En assurances de dommages (IARD), lorsqu\u2019un sinistre survient, une compagnie d\u2019assurance doit estimer et r\u00e9server le co\u00fbt total de ce dernier. Cette \u00e9valuation doit \u00e9galement \u00eatre r\u00e9p\u00e9t\u00e9e tant que ce sinistre n\u2019est pas liquid\u00e9. Ainsi, plusieurs techniques pour estimer ces co\u00fbts existent. Depuis plusieurs ann\u00e9es, les actuaires sont habitu\u00e9s \u00e0 \u00e9valuer les r\u00e9serves \u00e0 l\u2019aide de m\u00e9thodes collectives, n\u2019incluant aucune information individuelle. Cependant, avec la disponibilit\u00e9 des donn\u00e9es individuelles et l\u2019accroissement de la puissance informatique, les actuaires sont de plus en plus tent\u00e9s d\u2019incorporer ces informations dans l\u2019\u00e9valuation des r\u00e9serves en vue d\u2019am\u00e9liorer leurs pr\u00e9dictions. N\u00e9anmoins, le co\u00fbt algorithmique de telles approches individuelles reste relativement important. C\u2019est pourquoi, depuis peu, des techniques m\u00ealant des mod\u00e9lisations collectives en utilisant l\u2019information au niveau individuel, ont \u00e9galement vu le jour. Dans cette note, nous nous contentons de pr\u00e9senter diff\u00e9rentes approches et leurs aspects th\u00e9oriques. Le but est d\u2019avoir une id\u00e9e suffisamment pr\u00e9cise de chaque m\u00e9thode, permettant ainsi de d\u00e9terminer celle qui est la mieux adapt\u00e9e aux besoins et aux donn\u00e9es \u00e0 disposition. Pour faciliter les comparaisons, un sch\u00e9ma explicatif commun est utilis\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Secteur : <\/b>Assurance<\/p>

<\/b>Expertise: <\/b>Cyber Insurance<\/p>

Auteurs :<\/b> Gireg Willame,<\/p>

Michel Denuit<\/p>

et Julien Trufin<\/p>

\u00c9diteur :<\/b> Detralytics<\/p>

Date:<\/b> January 2019<\/p>

Langue :<\/b> French<\/p>

Pages:<\/b> 40<\/p>

R\u00e9f\u00e9rence :<\/b> Detra Note 2019-1<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\u00c0 propos des auteurs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Gireg Willame<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Gireg a acquis d'importantes connaissances en mati\u00e8re d'assurance non-vie, telles que la gestion des risques, la tarification particuliers\/PME et la r\u00e9assurance. En outre, il a travaill\u00e9 sur de nombreux projets internes allant du calcul des r\u00e9serves aux applications de Machine Learning. Passionn\u00e9 par la mod\u00e9lisation, il a d\u00e9velopp\u00e9 de solides comp\u00e9tences en codage au cours de ses diff\u00e9rentes missions.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Michel\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Michel Denuit<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Michel est conseiller scientifique chez Detralytics, ainsi que professeur en sciences actuarielles \u00e0 l\u2019Universit\u00e9 catholique de Louvain. Il dispose d\u2019une exp\u00e9rience internationale en tant que professeur invit\u00e9 et a men\u00e9 de nombreux projets en collaboration avec l\u2019industrie. Chez Detralytics, Michel accompagne les jeunes talents, dispense des formations de pointe, stimule l\u2019innovation et supervise les projets de R&D.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Julien\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Julien Trufin<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Julien est Scientific Advisor chez Detralytics et Professeur en sciences actuarielles au sein du d\u00e9partement de math\u00e9matiques de l\u2019Universit\u00e9 Libre de Bruxelles. Il poss\u00e8de une exp\u00e9rience en tant que consultant et un solide parcours acad\u00e9mique d\u00e9velopp\u00e9 au sein d\u2019institutions de renom, dont l\u2019Universit\u00e9 Laval (Canada), l\u2019UCL et l\u2019ULB (Belgique). Chez Detralytics, Julien encadre les jeunes talents, dispense des formations de pointe, stimule l\u2019innovation et supervise les projets de R&D.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t<\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\tAll Publications<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Dans cette note, nous nous contentons de pr\u00e9senter diff\u00e9rentes approches et leurs aspects th\u00e9oriques permettant ainsi de d\u00e9terminer celle qui est la mieux adapt\u00e9e aux besoins et aux donn\u00e9es \u00e0 disposition. <\/p>","protected":false},"author":1,"featured_media":4105,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[139,133],"tags":[131],"class_list":["post-4103","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-139","category-publications","tag-detranote"],"yoast_head":"\nDetra Note : Des triangles agr\u00e9g\u00e9s aux m\u00e9thodes individuelles<\/title>\n<meta name=\"description\" content=\"Dans cette note, nous nous contentons de pr\u00e9senter diff\u00e9rentes approches et leurs aspects th\u00e9oriques permettant ainsi de d\u00e9terminer celle qui est la mieux adapt\u00e9e aux besoins et aux donn\u00e9es \u00e0 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