{"id":661,"date":"2018-03-15T14:07:36","date_gmt":"2018-03-15T13:07:36","guid":{"rendered":"http:\/\/www.gembloux.ulg.ac.be\/sima\/?page_id=661"},"modified":"2021-10-06T13:42:09","modified_gmt":"2021-10-06T12:42:09","slug":"programme-abraham-2018","status":"publish","type":"page","link":"https:\/\/www.gembloux.ulg.ac.be\/sima\/programme-abraham-2018\/","title":{"rendered":"Professeur C. ABRAHAM (SupAgro Montpellier) \u2013 S\u00e9minaire 2018"},"content":{"rendered":"<p>Le Pr Christophe Abraham (SupAgro Montpellier) dispensera une formation consacr\u00e9e au mod\u00e8le lin\u00e9aire et \u00e0 la s\u00e9lection de mod\u00e8le en analyse bay\u00e9sienne les jeudi 24 et vendredi 25 mai 2018 \u00e0 la salle STAT-1 (8, avenue de la Facult\u00e9).<\/p>\n<p>Le programme est organis\u00e9 sur 2 journ\u00e9es, chacune correspondant \u00e0 un cours (9h \u00e0 12h) suivi d&rsquo;une application pratique avec le logiciel R (14h \u00e0 17h).<\/p>\n<p>La premi\u00e8re journ\u00e9e\u00a0comprend une introduction aux mod\u00e8les bay\u00e9siens \u00e9l\u00e9mentaires (observations binomiales et observations normales) et au mod\u00e8le lin\u00e9aire. Les lois a priori conjugu\u00e9es et non informatives seront pr\u00e9sent\u00e9es, ainsi que les intervalles de cr\u00e9dibilit\u00e9, leur relation avec les intervalles de confiance et la validation de mod\u00e8le. Le calcul bay\u00e9sien (m\u00e9thodes de Monte Carlo) sera pr\u00e9sent\u00e9 d&rsquo;un point de vue pratique \u00e0 travers\u00a0des exercices d&rsquo;application avec le logiciel R.<\/p>\n<p>La deuxi\u00e8me journ\u00e9e sera consacr\u00e9e au choix de mod\u00e8le bay\u00e9sien \u00e0 travers l&rsquo;\u00e9tude du facteur de Bayes principalement. Suivant la progression du cours, le mod\u00e8le bay\u00e9sien de s\u00e9lection de variables explicatives dans le mod\u00e8le lin\u00e9aire, ainsi qu&rsquo;une comparaison avec quelques crit\u00e8res classiques de s\u00e9lection de variables, sera \u00e9galement abord\u00e9. Ces points seront mis en pratique avec le logiciel R.<\/p>\n<p><em>Pr\u00e9-requis<\/em> : une pratique \u00e9l\u00e9mentaire du logiciel R est indispensable ainsi que les bases d&rsquo;un premier cours de statistique fondamentale et de probabilit\u00e9s (lois conditionnelles, densit\u00e9).<\/p>\n<p>La formation est accessible gratuitement sur simple inscription \u00e0 &lt;sima.gembloux@ulg.ac.be&gt; avant le vendredi 18 mai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le Pr Christophe Abraham (SupAgro Montpellier) dispensera une formation consacr\u00e9e au mod\u00e8le lin\u00e9aire et \u00e0 la s\u00e9lection de mod\u00e8le en  [&#8230;]<\/p>\n","protected":false},"author":24,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-661","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Professeur C. 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