{"id":2042,"date":"2020-04-30T07:49:55","date_gmt":"2020-04-30T07:49:55","guid":{"rendered":"https:\/\/datascientest.com\/?p=2042"},"modified":"2023-11-09T14:14:47","modified_gmt":"2023-11-09T14:14:47","slug":"quest-ce-la-dataviz-le-point-avec-nos-data-experts","status":"publish","type":"post","link":"https:\/\/datascientest.com\/quest-ce-la-dataviz-le-point-avec-nos-data-experts","title":{"rendered":"DataViz : D\u00e9finition, objectifs et usages"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2042\" class=\"elementor elementor-2042\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-18c9a0a e-flex e-con-boxed e-con\" data-id=\"18c9a0a\" 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-b556917 elementor-widget elementor-widget-text-editor\" data-id=\"b556917\" 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<h2>La Data Visualization, souvent appel\u00e9e \u00ab Dataviz \u00bb, est l\u2019ensemble des techniques qui permettent la transformation visuelle et la synth\u00e9tisation de donn\u00e9es brutes pour les faire parler.<\/h2>\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-f2705f4 e-flex e-con-boxed e-con\" data-id=\"f2705f4\" 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-30a3bcc elementor-widget elementor-widget-heading\" data-id=\"30a3bcc\" 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><h3 class=\"elementor-heading-title elementor-size-default\">Le saviez-vous ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b7873a elementor-widget elementor-widget-text-editor\" data-id=\"7b7873a\" 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>La \u00ab Dataviz \u00bb est un proc\u00e9d\u00e9 de transmission de l\u2019information qui remonte \u00e0 plusieurs si\u00e8cles.<\/p><p>Au XVIIIe si\u00e8cle, l\u2019ing\u00e9nieur et \u00e9conomiste William Playfair invente l\u2019<strong>histogramme<\/strong>, le <strong>diagramme circulaire<\/strong> et les <strong>s\u00e9ries temporelles,<\/strong> 3 types simples de graphiques toujours largement utilis\u00e9s de nos jours.<\/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-a332325 elementor-widget elementor-widget-image\" data-id=\"a332325\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"421\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/1-William-Fairplay-1759-1823-pionnier-de-la-dataviz.png\" class=\"attachment-large size-large wp-image-2048\" alt=\"Dataviz\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/1-William-Fairplay-1759-1823-pionnier-de-la-dataviz.png 974w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/1-William-Fairplay-1759-1823-pionnier-de-la-dataviz-300x158.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/1-William-Fairplay-1759-1823-pionnier-de-la-dataviz-768x404.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">1 - William Playfair (1759 - 1823), pionnier de la dataviz<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-c46e88a e-flex e-con-boxed e-con\" data-id=\"c46e88a\" 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-8d42e47 elementor-widget elementor-widget-text-editor\" data-id=\"8d42e47\" 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<blockquote><p>Aujourd\u2019hui, la Dataviz est pr\u00e9sente partout, que ce soit dans le dernier rapport d\u2019Analyse de votre site web ou dans les m\u00e9dias les plus mainstream. C\u2019est \u00e9galement un puissant outil de communication que l\u2019on peut mettre \u00e0 profit en Data Science.<\/p><\/blockquote><p>Imaginons le cas o\u00f9 vous venez de terminer une analyse exhaustive d\u2019une base de donn\u00e9es comportant les achats et les caract\u00e9ristiques de nombreux consommateurs. Au cours de votre analyse vous avez d\u00fb remarquer tout un tas d\u2019<strong>informations tr\u00e8s utiles<\/strong>, par exemple, l\u2019<strong>impact de la strat\u00e9gie de promotion d\u00e9cid\u00e9e par votre entreprise<\/strong>. Vous avez s\u00fbrement d\u00e9fini des <strong>indicateurs de performance<\/strong> pour cr\u00e9dibiliser votre analyse. Vous vous retrouvez donc avec une quantit\u00e9 importante d\u2019informations chiffr\u00e9es qui en l\u2019\u00e9tat sont difficilement compr\u00e9hensibles de tous.\u00a0<\/p><blockquote><p>Comment r\u00e9sumer votre analyse de mani\u00e8re intelligible et claire sans passer par des tableaux chiffr\u00e9s indigestes ?\u00a0<\/p><\/blockquote><p>C\u2019est l\u00e0 que la Dataviz entre en sc\u00e8ne.\u00a0 <strong>La visualisation de donn\u00e9es vous offrira un ensemble de techniques permettant la transformation de donn\u00e9es brutes et souvent complexes en repr\u00e9sentations visuelles accessibles afin de les rendre compr\u00e9hensibles rapidement au plus grand nombre<\/strong>.<\/p><p>En utilisant des graphiques comme des diagrammes circulaires ou des histogrammes vous parviendrez \u00e0 synth\u00e9tiser, organiser votre analyse.<\/p><p>De plus, <strong>l\u2019acc\u00e8s aux donn\u00e9es devient plus rapide, pertinent et facilite leur partage et leur utilisation par diff\u00e9rentes branches<\/strong>.<\/p><p>Vous pourrez raconter l\u2019histoire de votre analyse, faire appel \u00e0 ce qu\u2019on nomme du storytelling. Mieux qu\u2019illustrer il faut d\u00e9rouler, \u00e0 l\u2019aide des outils qu\u2019offre la dataviz les \u00e9tapes de votre raisonnement jusqu\u2019\u00e0 la conclusion.<\/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-87156af elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"87156af\" 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-analyst\">\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\u00e9marrez une formation en DataViz<\/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-2377a9e e-flex e-con-boxed e-con\" data-id=\"2377a9e\" 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-6810840 elementor-widget elementor-widget-heading\" data-id=\"6810840\" 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\">Comment faire de la Dataviz avec Python ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bc51a7 elementor-widget elementor-widget-text-editor\" data-id=\"1bc51a7\" 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>Python s\u2019est impos\u00e9 comme le langage \u00e0 utiliser, ces derni\u00e8res ann\u00e9es, pour explorer et analyser des ensembles de donn\u00e9es.<\/p><p>L\u2019un des avantages de Python est de pouvoir utiliser ce m\u00eame langage gratuit et\u00a0open-source\u00a0pour de nombreuses t\u00e2ches de Data Science comme l\u2019exploration de donn\u00e9es, l\u2019analyse statistique, le Machine Learning\u00a0et\u00a0la visualisation de donn\u00e9es.<\/p><p><a href=\"https:\/\/matplotlib.org\/\">Matplotlib<\/a>\u00a0est la premi\u00e8re biblioth\u00e8que Python permettant de g\u00e9n\u00e9rer et g\u00e9rer plusieurs types de graphiques, de mani\u00e8re assez simple et ordonn\u00e9e.<\/p><p>C\u2019est \u00e9galement la plus utilis\u00e9e en Data Science avec Python, et la plus r\u00e9pandue dans les formations \u00e0 la Data Vizualisation.<\/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-6e747cf elementor-widget elementor-widget-image\" data-id=\"6e747cf\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/2-Graphique-re\u0301alise\u0301-avec-Matplotlib-300x225.png\" class=\"attachment-medium size-medium wp-image-2047\" alt=\"matplotlib\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/2-Graphique-re\u0301alise\u0301-avec-Matplotlib-300x225.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/2-Graphique-re\u0301alise\u0301-avec-Matplotlib-768x575.png 768w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/2-Graphique-re\u0301alise\u0301-avec-Matplotlib.png 795w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">2- Graphiques r\u00e9alis\u00e9s avec Matplotlib<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-73b20ab e-flex e-con-boxed e-con\" data-id=\"73b20ab\" 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-b1d1c92 elementor-widget elementor-widget-text-editor\" data-id=\"b1d1c92\" 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>De nombreuses autres biblioth\u00e8ques, s\u2019appuyant sur <a href=\"https:\/\/datascientest.com\/matplotlib-tout-savoir\">Matplotlib<\/a>, ont vu le jour permettant de <strong>moderniser les graphiques<\/strong> et de rendre encore plus simple leur cr\u00e9ation.<\/p><p>C\u2019est le cas notamment de\u00a0<a href=\"https:\/\/seaborn.pydata.org\/\">Seaborn<\/a>, tr\u00e8s appr\u00e9ci\u00e9e pour ses graphiques statistiques et sa simplicit\u00e9 d\u00e9concertante.<\/p><p>Cette biblioth\u00e8que <strong>s\u2019utilise en compl\u00e9ment de Matplotlib<\/strong>. Pour la gestion avanc\u00e9e du design de votre graphique, titres, cadre, axes, Matplotlib se r\u00e9v\u00e9lera indispensable tandis que Seaborn sera plus appr\u00e9ci\u00e9e pour son <strong>esth\u00e9tique<\/strong>.<\/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-3c0ba92 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"3c0ba92\" 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-analyst\">\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 cr\u00e9er des Dataviz avec Python<\/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<div class=\"elementor-element elementor-element-fc95672 elementor-widget elementor-widget-image\" data-id=\"fc95672\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"564\" height=\"506\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/3-Graphique-Seaborn.png\" class=\"attachment-large size-large wp-image-2046\" alt=\"3- Graphique Seaborn\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/3-Graphique-Seaborn.png 564w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/3-Graphique-Seaborn-300x269.png 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">3- Graphiques Seaborn<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-56a3255 e-flex e-con-boxed e-con\" data-id=\"56a3255\" 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-39f78bc elementor-widget elementor-widget-text-editor\" data-id=\"39f78bc\" 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>Plus r\u00e9cemment, l\u2019apparition de biblioth\u00e8ques comme <a href=\"https:\/\/plotly.com\/\">Plotly<\/a> ou <a href=\"https:\/\/bokeh.org\/\">Bokeh<\/a>, permettent de cr\u00e9er des graphiques interactifs de haut niveau, qui s\u2019int\u00e8grent facilement dans une page web, sans avoir besoin de ma\u00eetriser JavaScript.<\/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-6ea92f5 elementor-widget elementor-widget-image\" data-id=\"6ea92f5\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"364\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/4-Graphique-Plotly.png\" class=\"attachment-large size-large wp-image-2045\" alt=\"4- Graphique Plotly\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/4-Graphique-Plotly.png 974w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/4-Graphique-Plotly-300x136.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/4-Graphique-Plotly-768x349.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">4- Graphique Plotly<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-e68173c elementor-widget elementor-widget-image\" data-id=\"e68173c\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"283\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/5-Graphique-Bokeh.png\" class=\"attachment-large size-large wp-image-2044\" alt=\"5 - Graphique Bokeh\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/5-Graphique-Bokeh.png 974w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/5-Graphique-Bokeh-300x106.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/5-Graphique-Bokeh-768x272.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">5 - Graphique Bokeh<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-6e2931f elementor-widget elementor-widget-text-editor\" data-id=\"6e2931f\" 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>Avec des biblioth\u00e8ques sp\u00e9cialis\u00e9es comme <a href=\"https:\/\/holoviz.org\/\">Holoviz<\/a> ou <a href=\"https:\/\/geoviews.org\/\">Geoviews<\/a>, vous pourrez \u00e9galement cr\u00e9er de mani\u00e8re rapide, des dataviz cartographi\u00e9es, tr\u00e8s pris\u00e9es par les m\u00e9dias.<\/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-bcaba45 elementor-widget elementor-widget-image\" data-id=\"bcaba45\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"498\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/6-Graphique-Holoviz.png\" class=\"attachment-large size-large wp-image-2043\" alt=\"Holoviz\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/6-Graphique-Holoviz.png 974w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/6-Graphique-Holoviz-300x187.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/04\/6-Graphique-Holoviz-768x478.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">6- Graphique Holoviz<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-0ed48f4 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"0ed48f4\" 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-analyst\">\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\">Comment devenir expert en Dataviz ?<\/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<div class=\"elementor-element elementor-element-3e69cd2 elementor-widget elementor-widget-text-editor\" data-id=\"3e69cd2\" 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>Il existe encore beaucoup d\u2019autre outils, comme Dash qui permet de <strong>cr\u00e9er des dashboards<\/strong> et <strong>applications Web<\/strong> avec vos graphiques.<\/p><p>Tous ces packages ont l\u2019avantage d\u2019\u00eatre tr\u00e8s bien document\u00e9s et d\u2019\u00eatre facilement utilisables (\u00e0 condition d\u2019avoir pr\u00e9alablement travaill\u00e9 sur ses donn\u00e9es). <strong>Ils vous permettront d\u2019afficher et de sauvegarder des graphiques de bon niveau synth\u00e9tisant efficacement les informations de votre jeu de donn\u00e9es en fonction du message que vous voulez faire passer<\/strong>.<\/p><p>Vous pourrez afficher jusqu\u2019\u00e0 4-5 informations facilement dans un m\u00eame graphique, et gr\u00e2ce \u00e0 2 lignes de code, avec certaines <strong>fonctions de Seaborn<\/strong>.<\/p><p>Pour une application web contenant plusieurs <strong>graphiques interactifs<\/strong>, il faudra un code plus long, \u00e0 vous de d\u00e9finir l\u2019investissement qui vous conviendra en fonction du r\u00e9sultat attendu.<\/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-65a584c e-flex e-con-boxed e-con\" data-id=\"65a584c\" 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-e66e481 elementor-widget elementor-widget-text-editor\" data-id=\"e66e481\" 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>Curieux d&rsquo;en apprendre davantage en DataViz ?<br \/>D\u00e9couvrez notre track sp\u00e9cialis\u00e9 !<\/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\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>La Data Visualization, souvent appel\u00e9e \u00ab Dataviz \u00bb, est l\u2019ensemble des techniques qui permettent la transformation visuelle et la synth\u00e9tisation de donn\u00e9es brutes pour les faire parler. Le saviez-vous ? La \u00ab Dataviz \u00bb est un proc\u00e9d\u00e9 de transmission de l\u2019information qui remonte \u00e0 plusieurs si\u00e8cles. Au XVIIIe si\u00e8cle, l\u2019ing\u00e9nieur et \u00e9conomiste William Playfair invente [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":143341,"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>DataViz : D\u00e9finition, objectifs et usages - datascientest.com<\/title>\n<meta name=\"description\" content=\"Qu&#039;est-ce que la DataViz ? \u00c0 quoi sert-elle ? 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