{"id":4654,"date":"2026-08-12T16:59:16","date_gmt":"2026-08-12T14:59:16","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4654"},"modified":"2026-08-12T16:59:16","modified_gmt":"2026-08-12T14:59:16","slug":"xn-plans-a-niveau-mixtes","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/de\/guide-dutilisateur\/xn-plans-a-niveau-mixtes\/","title":{"rendered":"XN: gemischte H\u00f6henpl\u00e4ne"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Les plans \u00e0 deux niveaux imposent le m\u00eame gabarit \u00e0 tous les facteurs. La page XN l\u00e8ve cette contrainte :\u00a0<strong>chaque facteur porte son propre nombre de niveaux<\/strong>, ce qui correspond \u00e0 la r\u00e9alit\u00e9 industrielle \u2014 trois fournisseurs, deux vitesses, cinq outils.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"372\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/XN.png\" alt=\"\" class=\"wp-image-4655\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/XN.png 644w, https:\/\/ellistat.com\/wp-content\/uploads\/XN-300x173.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/XN-18x10.png 18w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le r\u00e9glage \u00ab&nbsp;<strong>Nombre maximal de niveaux<\/strong>&nbsp;\u00bb (2 \u00e0 6) fixe le plafond, et le tableau des facteurs affiche autant de colonnes N1 \u2026 N<em>n<\/em>. Un facteur pour lequel vous ne renseignez qu\u2019un seul niveau est&nbsp;<strong>ignor\u00e9<\/strong>&nbsp;: il ne varie pas, il n\u2019a pas d\u2019effet \u00e0 estimer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La liste des plans possibles s\u2019adapte \u00e0 la structure exacte de vos niveaux. Selon les cas :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>fullDOE<\/strong>\u00a0: le plan complet, toutes combinaisons. Toujours propos\u00e9, cinq \u00e9toiles, et rapidement hors budget ;<\/li>\n\n\n\n<li> die <strong>tables fractionnaires<\/strong>\u00a0L4, L8, L9, L12, L16, L18, L25, L27 et les plans fractionnaires \u00e0 12, 16, 18 ou 24 essais, selon la r\u00e9partition des niveaux ; <\/li>\n\n\n\n<li>der\u00a0<strong>Definitive Screening Design<\/strong>, quand tous les facteurs sont \u00e0 trois niveaux.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 La page XN est la bonne r\u00e9ponse \u00e0 un besoin tr\u00e8s courant et mal servi ailleurs : un facteur&nbsp;<strong>qualitatif \u00e0 plusieurs modalit\u00e9s<\/strong>&nbsp;m\u00e9lang\u00e9 \u00e0 des facteurs quantitatifs. L\u00e0 o\u00f9 Surface de r\u00e9ponse et Remplissage refusent le qualitatif, XN l\u2019accepte nativement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f La qualit\u00e9 des plans fractionnaires XN varie fortement selon la table&nbsp;<strong>und<\/strong>&nbsp;le nombre de facteurs : la m\u00eame table peut valoir cinq \u00e9toiles dans une configuration et une seule dans une autre. Lire la colonne Qualit\u00e9 avant de choisir, et ne pas reprendre par habitude la table d\u2019un plan pr\u00e9c\u00e9dent.<\/p>","protected":false},"featured_media":0,"menu_order":60,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[24],"class_list":["post-4654","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-7-doe-plans-dexperiences"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>XN : plans \u00e0 niveau mixtes - Ellistat<\/title>\n<meta name=\"description\" content=\"M\u00e9langez facteurs qualitatifs et quantitatifs avec des niveaux diff\u00e9rents par facteur : fullDOE, tables fractionnaires L9 \u00e0 L27, ou Definitive Screening Design.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/de\/benutzerhandbuch\/xn-plans-a-niveau-mixtes\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"XN : plans \u00e0 niveau mixtes - 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