{"id":189664,"date":"2023-02-21T06:32:00","date_gmt":"2023-02-21T06:32:00","guid":{"rendered":"https:\/\/datascientest.com\/?p=189664"},"modified":"2023-11-09T13:53:58","modified_gmt":"2023-11-09T13:53:58","slug":"area-charts-tout-savoir","status":"publish","type":"post","link":"https:\/\/datascientest.com\/area-charts-tout-savoir","title":{"rendered":"Area charts : D\u00e9finition, diff\u00e9rences et limites de ces mod\u00e8les"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"189664\" class=\"elementor elementor-189664\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c94d505 e-flex e-con-boxed e-con\" data-id=\"c94d505\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-863b648 elementor-widget elementor-widget-heading\" data-id=\"863b648\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">Pour comparer des donn\u00e9es et leur \u00e9volution temporelle, les area charts sont des outils pr\u00e9cieux. Alors de quoi s'agit-il ? \u00c0 quoi servent ces graphiques ? Quelles sont leurs limites ? Et les diff\u00e9rents mod\u00e8les ? D\u00e9couvrez les r\u00e9ponses.<\/h2>\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<div class=\"elementor-element elementor-element-4e61a18 e-flex e-con-boxed e-con\" data-id=\"4e61a18\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5510125 elementor-widget elementor-widget-heading\" data-id=\"5510125\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Que sont les area charts ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8ebd78 elementor-widget elementor-widget-text-editor\" data-id=\"e8ebd78\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><span style=\"font-weight: 400;\">L\u2019area chart (ou graphique en aires) permet de <\/span><b>comparer des donn\u00e9es quantitatives et de montrer leur \u00e9volution dans le temps.<\/b><span style=\"font-weight: 400;\"> Pour cela, l\u2019area chart combine des graphiques lin\u00e9aires et des diagrammes \u00e0 barre. Ainsi, les donn\u00e9es sont repr\u00e9sent\u00e9es \u00e0 travers plusieurs couches de couleurs ou textures (hachures, ombres\u2026) diff\u00e9rentes.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Si l\u2019area chart est souvent confondu avec le graphique en ligne, il pr\u00e9sente toutefois quelques diff\u00e9rences :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">La zone situ\u00e9e en dessous de la ligne est color\u00e9e. L\u2019objectif est alors d\u2019indiquer le volume.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u2019area chart a g\u00e9n\u00e9ralement pour but de comparer diff\u00e9rentes donn\u00e9es. Dans ce cadre, les attributs sont trac\u00e9s sur des lignes distinctes et des couleurs diff\u00e9rentes sont repr\u00e9sent\u00e9es en dessous de chaque ligne.\u00a0<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1cc71fe elementor-widget elementor-widget-text-editor\" data-id=\"1cc71fe\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\"><strong>Bon \u00e0 savoir<\/strong> : Ce mod\u00e8le math\u00e9matique a \u00e9t\u00e9 d\u00e9velopp\u00e9 par l\u2019ing\u00e9nieur et \u00e9conomiste \u00e9cossais <\/span><span style=\"font-weight: 400;\">William Playfair \u00e0 travers son livre \u00ab\u00a0<\/span><i><span style=\"font-weight: 400;\">The Commercial and Political Atlas<\/span><\/i><span style=\"font-weight: 400;\">\u00a0\u00bb publi\u00e9 en 1786.\u00a0<\/span><\/p>\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<div class=\"elementor-element elementor-element-9ac8f10 e-flex e-con-boxed e-con\" data-id=\"9ac8f10\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-538db0e elementor-widget elementor-widget-heading\" data-id=\"538db0e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u00c0 quoi \u00e7a sert ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01aa996 elementor-widget elementor-widget-text-editor\" data-id=\"01aa996\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">L\u2019area chart est principalement utilis\u00e9 pour <\/span><b>montrer des tendances<\/b><span style=\"font-weight: 400;\"> diff\u00e9rentes dans le temps.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Mais attention, pour fournir aux analystes une repr\u00e9sentation optimale. Il est pr\u00e9f\u00e9rable de respecter certaines conditions :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les donn\u00e9es doivent \u00eatre exprim\u00e9es sous forme de total (la somme de chaque valeur doit \u00eatre \u00e9gale \u00e0 100 %) ;\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les donn\u00e9es doivent \u00eatre compar\u00e9es sur des p\u00e9riodes de temps ;\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u2019objectif est de repr\u00e9senter une tendance globale, et non des valeurs individuelles ;\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Il y a plusieurs s\u00e9ries de donn\u00e9es avec des diff\u00e9rences notables.<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d678ace elementor-widget elementor-widget-image\" data-id=\"d678ace\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"640\" height=\"456\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/02\/area-charts-1.jpg\" class=\"attachment-full size-full wp-image-189671\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/02\/area-charts-1.jpg 640w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/02\/area-charts-1-300x214.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>\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 class=\"elementor-element elementor-element-046f683 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"046f683\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-data-management\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Apprendre \u00e0 concevoir des area charts<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\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<div class=\"elementor-element elementor-element-13835be e-flex e-con-boxed e-con\" data-id=\"13835be\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-473cb14 elementor-widget elementor-widget-heading\" data-id=\"473cb14\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quelles sont les limites de l\u2019area chart ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7467be1 elementor-widget elementor-widget-text-editor\" data-id=\"7467be1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Si l\u2019area chart est particuli\u00e8rement utile pour repr\u00e9senter des tendances globales dans le temps, il souffre toutefois de quelques limites. En effet, si les conditions susmentionn\u00e9es ne sont pas respect\u00e9es, le graphique en aires peut \u00eatre<\/span><b> trompeur et difficile \u00e0 interpr\u00e9ter.<\/b><\/p><p><span style=\"font-weight: 400;\">Ainsi, nous vous d\u00e9conseillons de l\u2019utiliser dans les hypoth\u00e8ses suivantes :<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u2019objectif est de montrer les diff\u00e9rences de valeurs dans une s\u00e9rie de cat\u00e9gories diff\u00e9rentes : dans ce cas, privil\u00e9giez le diagramme \u00e0 barres, le diagramme \u00e0 colonnes ou le diagramme \u00e0 barres divis\u00e9es.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Le total des donn\u00e9es est faible : choisissez un graphique lin\u00e9aire.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">La diff\u00e9rence entre les valeurs est faible : l\u00e0 encore, privil\u00e9giez un graphique lin\u00e9aire.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Une seule valeur est repr\u00e9sent\u00e9e dans le temps : les graphiques lin\u00e9aires ou \u00e0 colonnes sont plus pertinents.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u2019objectif est de comparer la taille de diff\u00e9rentes donn\u00e9es : le graphique lin\u00e9aire est pr\u00e9f\u00e9rable. <\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c2c047 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"1c2c047\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-data-management\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9marrer une formation en Data Management<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\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<div class=\"elementor-element elementor-element-b40a546 e-flex e-con-boxed e-con\" data-id=\"b40a546\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48e100b elementor-widget elementor-widget-heading\" data-id=\"48e100b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quels sont les diff\u00e9rents types de graphiques en aires ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de97349 elementor-widget elementor-widget-text-editor\" data-id=\"de97349\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Il est possible de diviser les area charts en deux sous-cat\u00e9gories.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b37d633 elementor-widget elementor-widget-heading\" data-id=\"b37d633\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Graphique des zones de chevauchement<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0287f5b elementor-widget elementor-widget-text-editor\" data-id=\"0287f5b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Il s\u2019agit de comparer des valeurs entre diff\u00e9rents groupes et de mettre en avant les donn\u00e9es qui se chevauchent.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Voici un exemple : le graphique en aires peut montrer les ventes de Nokia, Blackberry, Samsung ou encore iPhone. Lorsque certaines marquent connaissaient des chutes vertigineuses, d\u2019autres mod\u00e8les \u00e9taient introduits. Il y a alors des chevauchements entre les diff\u00e9rentes lignes. Le graphique met alors en avant ces chevauchements, mais \u00e9galement les pics de ventes.\u00a0<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b93c5f elementor-widget elementor-widget-heading\" data-id=\"4b93c5f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Graphique des zones empil\u00e9es<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bac640 elementor-widget elementor-widget-text-editor\" data-id=\"3bac640\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u00c9galement appel\u00e9 graphique de surface, ce mod\u00e8le a pour objectif de repr\u00e9senter la valeur totale des donn\u00e9es et leur r\u00e9partition dans l\u2019ensemble de donn\u00e9es. L\u2019id\u00e9e est alors de se focaliser sur les volumes.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Par exemple : dans une boutique, les g\u00e9rants peuvent analyser le volume des ventes de produits des marques X, Y, et Z, et les comparer dans le temps.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8660217 elementor-widget elementor-widget-image\" data-id=\"8660217\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"652\" height=\"405\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/02\/area-charts-2.jpg\" class=\"attachment-full size-full wp-image-189672\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/02\/area-charts-2.jpg 652w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/02\/area-charts-2-300x186.jpg 300w\" sizes=\"(max-width: 652px) 100vw, 652px\" \/>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5211461 e-flex e-con-boxed e-con\" data-id=\"5211461\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7cdcbb8 elementor-widget elementor-widget-heading\" data-id=\"7cdcbb8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ce qu\u2019il faut retenir :<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7400e33 elementor-widget elementor-widget-text-editor\" data-id=\"7400e33\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u2019area chart permet de comparer plusieurs donn\u00e9es et de montrer leur \u00e9volution dans le temps.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Si ce mod\u00e8le est efficace pour identifier des tendances temporelles, il n\u2019est pas toujours le plus pertinent.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Il existe diff\u00e9rents types d\u2019area chart, \u00e0 savoir avec zones de chevauchement ou empil\u00e9s. <\/span><\/li><\/ol>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-427f48a elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"427f48a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formations-data\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9couvrir les formations de DataScientest<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\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<div class=\"elementor-element elementor-element-ce87f6d e-flex e-con-boxed e-con\" data-id=\"ce87f6d\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d6b9ebf elementor-widget elementor-widget-html\" data-id=\"d6b9ebf\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Que sont les area charts ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"L\u2019area chart (ou graphique en aires) permet de comparer des donn\u00e9es quantitatives et de montrer leur \u00e9volution dans le temps. Pour cela, l\u2019area chart combine des graphiques lin\u00e9aires et des diagrammes \u00e0 barre. Ainsi, les donn\u00e9es sont repr\u00e9sent\u00e9es \u00e0 travers plusieurs couches de couleurs ou textures (hachures, ombres\u2026) diff\u00e9rentes.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Quelles sont les limites de l\u2019area chart ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Si l\u2019area chart est particuli\u00e8rement utile pour repr\u00e9senter des tendances globales dans le temps, il souffre toutefois de quelques limites. En effet, si les conditions susmentionn\u00e9es ne sont pas respect\u00e9es, le graphique en aires peut \u00eatre trompeur et difficile \u00e0 interpr\u00e9ter.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Quels sont les diff\u00e9rents types de graphiques en aires ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"\u00c9galement appel\u00e9 graphique de surface, ce mod\u00e8le a pour objectif de repr\u00e9senter la valeur totale des donn\u00e9es et leur r\u00e9partition dans l\u2019ensemble de donn\u00e9es. L\u2019id\u00e9e est alors de se focaliser sur les volumes.  Par exemple : dans une boutique, les g\u00e9rants peuvent analyser le volume des ventes de produits des marques X, Y, et Z, et les comparer dans le temps.\"\r\n    }\r\n  }]\r\n}\r\n<\/script>\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\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Pour comparer des donn\u00e9es et leur \u00e9volution temporelle, les area charts sont des outils pr\u00e9cieux. Alors de quoi s&rsquo;agit-il ? \u00c0 quoi servent ces graphiques ? Quelles sont leurs limites ? Et les diff\u00e9rents mod\u00e8les ? D\u00e9couvrez les r\u00e9ponses. Que sont les area charts ? L\u2019area chart (ou graphique en aires) permet de comparer des [&hellip;]<\/p>\n","protected":false},"author":78,"featured_media":189667,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2497],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Area charts : D\u00e9finition, diff\u00e9rences et limites de ces mod\u00e8les<\/title>\n<meta name=\"description\" content=\"Pour comparer des donn\u00e9es et leur \u00e9volution temporelle, les area charts sont des outils pr\u00e9cieux. Alors de quoi s&#039;agit-il ? \u00c0 quoi servent ces graphiques ? Quelles sont leurs limites ? Et les diff\u00e9rents mod\u00e8les ? 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