{"id":5704,"date":"2023-09-03T14:44:38","date_gmt":"2023-09-03T12:44:38","guid":{"rendered":"https:\/\/francestat.com\/?page_id=5704"},"modified":"2024-12-02T10:29:24","modified_gmt":"2024-12-02T09:29:24","slug":"uniwin-acps","status":"publish","type":"page","link":"https:\/\/francestat.com\/index.php\/uniwin-acps\/","title":{"rendered":"Uniwin &#8211; ACPS"},"content":{"rendered":"<p>[vc_row][vc_column]<div id=\"ultimate-heading-36456a05a0f81b0ea\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-36456a05a0f81b0ea uvc-2713  uvc-heading-default-font-sizes\" data-hspacer=\"no_spacer\"  data-halign=\"center\" style=\"text-align:center\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-36456a05a0f81b0ea h2'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h2 style=\"--font-weight:theme;\">UNIWIN - Analyse en Composantes Principales Symbolique<\/h2><\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<p class=\"Default\" style=\"text-align: justify;\">Les m\u00e9thodes classiques d\u2019analyse factorielle ne sont applicables qu\u2019\u00e0 des objets caract\u00e9ris\u00e9s par des variables monovalu\u00e9es (la valeur prise par une variable pour un objet est une valeur unique).<\/p>\n<p class=\"Default\" style=\"text-align: justify;\">L\u2019ACPS est une extension de l\u2019ACP \u00e0 des objets caract\u00e9ris\u00e9s par des variables multivalu\u00e9es d\u00e9crivant de la variation ou de l\u2019impr\u00e9cision (la valeur prise par une variable pour un objet est un intervalle de valeurs).<\/p>\n<p class=\"Default\" style=\"text-align: justify;\">Prenons trois exemples\u00a0:<\/p>\n<p class=\"Default\" style=\"text-align: justify;\">En botanique si les objets \u00e0 \u00e9tudier sont des plantes, la taille de la tige d\u2019une plante est une valeur unique. Par contre, si les objets auxquels on s\u2019int\u00e9resse sont des esp\u00e8ces de plantes (concepts), la taille de la tige d\u2019une esp\u00e8ce d\u00e9finit un intervalle de valeurs. Cet intervalle repr\u00e9sente le domaine de variation de la taille de la tige sur tous les sp\u00e9cimens appartenant \u00e0 l\u2019esp\u00e8ce en question.<\/p>\n<p>En m\u00e9t\u00e9orologie, les temp\u00e9ratures quotidiennes enregistr\u00e9es en valeurs minimales et maximales offrent une vision plus r\u00e9aliste des variations des conditions m\u00e9t\u00e9orologiques par rapport aux valeurs moyennes simples.<\/p>\n<p>En finance, les prix de transaction minimum et maximum, relev\u00e9s quotidiennement pour un ensemble d&rsquo;actions, repr\u00e9sentent une information plus pertinente pour les experts afin d&rsquo;\u00e9valuer la tendance et la volatilit\u00e9 des actions dans la m\u00eame journ\u00e9e.<\/p>\n<p>La proc\u00e9dure ACPS propos\u00e9e (m\u00e9thode des centres) accepte deux structures de donn\u00e9es en entr\u00e9e :<\/p>\n<ol>\n<li>Un tableau de donn\u00e9es individus x variables qui sera transform\u00e9 en un tableau de donn\u00e9es (concepts) contenant les intervalles des objets symboliques par utilisation de variables qualitatives.<\/li>\n<li>Un tableau de donn\u00e9es (concepts) contenant les intervalles des objets symboliques.<\/li>\n<\/ol>\n<p>Les donn\u00e9es sont automatiquement centr\u00e9es et r\u00e9duites.<\/p>\n<p>Le rapport affiche les composantes principales (approches classique et symbolique), les coordonn\u00e9es des variables (approches classique et symbolique), les cosinus carr\u00e9s et les contributions des concepts et des variables ainsi que les distances carr\u00e9es des concepts \u00e0 l\u2019origine et les contributions des concepts \u00e0 l\u2019inertie totale.<\/p>\n<p>Les graphiques propos\u00e9s sont : diagramme des inerties (approche classique), cercle des corr\u00e9lations des variables (approche classique), plan factoriel des variables (approche symbolique), plan factoriel des concepts (approches classique et symbolique).[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=\u00a0\u00bb6370&Prime; img_size=\u00a0\u00bblarge\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb][vc_empty_space height=\u00a0\u00bb5px\u00a0\u00bb][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<p class=\"hcp4\"><strong><span style=\"font-size: 10pt; font-family: Verdana, sans-serif;\"><u>Tableaux<\/u><\/span><\/strong><\/p>\n<table class=\"hcp3\" width=\"100%\" cellspacing=\"0\" bgcolor=\"#ffffff\">\n<colgroup>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Tableau des intervalles des concepts<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Tableau des centres des concepts<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Tableau des inerties du nuage des centres des concepts<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Composantes principales (centres)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Composantes principales (approche symbolique)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Coordonn\u00e9es des variables (centres)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Coordonn\u00e9es des variables (approche symbolique)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Cosinus carr\u00e9s et cosinus carr\u00e9s cumul\u00e9s des variables (centres)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Contribution des variables \u00e0 l&rsquo;inertie (centres)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Distances carr\u00e9es des concepts \u00e0 l&rsquo;origine (centres)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Cosinus carr\u00e9s et cosinus carr\u00e9s cumul\u00e9s des concepts (centres)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Contributions des concepts \u00e0 l&rsquo;inertie (centres)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Contributions des concepts \u00e0 l&rsquo;inertie totale (centres)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"hcp4\"><strong><span style=\"font-size: 10pt; font-family: Verdana, sans-serif;\"><u>Graphiques<\/u><\/span><\/strong><\/p>\n<table class=\"hcp3\" width=\"100%\" cellspacing=\"0\" bgcolor=\"#ffffff\">\n<colgroup>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Diagramme des inerties<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Cercle des corr\u00e9lations (approche classique)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Plan factoriel des variables (approche symbolique)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Plan factoriel des concepts (approche classique)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p class=\"hcp1\" style=\"font-size: 10pt; font-family: Verdana, sans-serif;\">Plan factoriel des concepts (approche symbolique)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text][vc_empty_space height=\u00a0\u00bb5px\u00a0\u00bb][\/vc_column][\/vc_row][vc_row][vc_column][vc_btn title=\u00a0\u00bbConsulter la documentation compl\u00e8te\u00a0\u00bb align=\u00a0\u00bbcenter\u00a0\u00bb link=\u00a0\u00bburl:http%3A%2F%2Fwww.francestat.com%2Ftelecharg%2FUniwin%2Fpdf%2FAnalyse%20en%20composantes%20principales%20symbolique.pdf|title:UNIWIN%20-%20ACPS\u00a0\u00bb][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text] Les m\u00e9thodes classiques d\u2019analyse factorielle ne sont applicables qu\u2019\u00e0 des objets caract\u00e9ris\u00e9s par des variables monovalu\u00e9es (la valeur prise par une variable pour un objet est une valeur unique). L\u2019ACPS est une extension de l\u2019ACP \u00e0 des objets caract\u00e9ris\u00e9s par des variables multivalu\u00e9es d\u00e9crivant de la variation ou de l\u2019impr\u00e9cision (la valeur prise par&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5704","page","type-page","status-publish","hentry","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Uniwin - ACPS - FRANCESTAT<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/francestat.com\/index.php\/uniwin-acps\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uniwin - ACPS - FRANCESTAT\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text] Les m\u00e9thodes classiques d\u2019analyse factorielle ne sont applicables qu\u2019\u00e0 des objets caract\u00e9ris\u00e9s par des variables monovalu\u00e9es (la valeur prise par une variable pour un objet est une valeur unique). 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