{"id":204370,"date":"2023-10-18T05:30:00","date_gmt":"2023-10-18T05:30:00","guid":{"rendered":"https:\/\/datascientest.com\/?p=204370"},"modified":"2023-11-09T13:41:21","modified_gmt":"2023-11-09T13:41:21","slug":"stack-data-tout-savoir","status":"publish","type":"post","link":"https:\/\/datascientest.com\/stack-data-tout-savoir","title":{"rendered":"Stack data : Qu&rsquo;est-ce que c&rsquo;est ? Pourquoi est-ce important ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"204370\" class=\"elementor elementor-204370\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ed5d83c e-flex e-con-boxed e-con\" data-id=\"ed5d83c\" 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-00ae67f elementor-widget elementor-widget-heading\" data-id=\"00ae67f\" 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\">Souvent per\u00e7ues comme l\u2019or du 21\u00e8me si\u00e8cle, les donn\u00e9es figurent parmi les ressources les plus pr\u00e9cieuses des entreprises (et m\u00eame de l\u2019\u00e9conomie globale). Mais ces informations ne sont pas toujours compr\u00e9hensibles et exploitables. Avant d\u2019apporter de la valeur gr\u00e2ce aux donn\u00e9es, les experts data utilisent de nombreux outils et technologies. C\u2019est le stack data. <\/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-424391e e-flex e-con-boxed e-con\" data-id=\"424391e\" 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-c06add4 elementor-widget elementor-widget-heading\" data-id=\"c06add4\" 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\">Qu\u2019est-ce qu\u2019un stack data ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cdc98c elementor-widget elementor-widget-text-editor\" data-id=\"9cdc98c\" 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;\">Un stack data (ou pile de donn\u00e9es) est un<\/span><b> ensemble d\u2019outils et de technologies qui permettent de traiter les donn\u00e9es brutes<\/b><span style=\"font-weight: 400;\"> avant de les utiliser. L\u2019objectif \u00e9tant de transformer des donn\u00e9es inexploitables en informations intelligibles.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Les piles de donn\u00e9es correspondent ainsi aux diff\u00e9rentes couches technologiques qui permettent \u00e0 l\u2019entreprise d\u2019analyser les donn\u00e9es disponibles, et surtout, d\u2019<\/span><b>apporter de la valeur gr\u00e2ce \u00e0 ces informations.<\/b><\/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-1849dbe e-flex e-con-boxed e-con\" data-id=\"1849dbe\" 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-a296fc4 elementor-widget elementor-widget-heading\" data-id=\"a296fc4\" 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 transformer les donn\u00e9es gr\u00e2ce \u00e0 un stack data ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76c7a69 elementor-widget elementor-widget-text-editor\" data-id=\"76c7a69\" 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;\">Le stack data <\/span><b>transforme les donn\u00e9es pour les rendre plus exploitables<\/b><span style=\"font-weight: 400;\">. Ce processus de transformation se d\u00e9roule tr\u00e8s souvent en 3 \u00e9tapes :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>La collecte de donn\u00e9es <\/b><span style=\"font-weight: 400;\">: l\u2019id\u00e9e est alors de r\u00e9cup\u00e9rer les informations en provenance d\u2019une multitude de sources de donn\u00e9es. \u00c0 ce stade, le pipeline de donn\u00e9es est inexploitable.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Le stockage des donn\u00e9es<\/b><span style=\"font-weight: 400;\"> : g\u00e9n\u00e9ralement au sein d\u2019un <a href=\"https:\/\/datascientest.com\/data-warehouse\">entrep\u00f4t de donn\u00e9es<\/a> ou d\u2019un <a href=\"https:\/\/datascientest.com\/data-lake-tout-savoir\">data lake<\/a>.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>La transformation<\/b> : l\u2019id\u00e9e est de nettoyer et d\u2019harmoniser les donn\u00e9es afin qu\u2019elles puissent \u00eatre correctement analys\u00e9es.<\/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-fbf3a28 elementor-widget elementor-widget-text-editor\" data-id=\"fbf3a28\" 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<span style=\"font-weight: 400;\"><span style=\"text-decoration: underline;\"><strong>Bon \u00e0 savoir<\/strong><\/span> : toutes ces \u00e9tapes correspondent au<\/span><b> processus <\/b><a href=\"https:\/\/datascientest.com\/extract-transform-load-tout-savoir\">ELT<\/a> (extract, load, transform ou extraction, chargement, transformation). Mais traditionnellement, c\u2019\u00e9tait le processus ETL (extract, transform, load) qui pr\u00e9valait. Les nouvelles technologies ont permis d\u2019inverser la tendance.<\/span>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-060ed6f elementor-widget elementor-widget-image\" data-id=\"060ed6f\" 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=\"1000\" height=\"656\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/etl.jpg\" class=\"attachment-full size-full wp-image-204396\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/etl.jpg 1000w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/etl-300x197.jpg 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/etl-768x504.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\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-ae46c00 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"ae46c00\" 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\">Apprendre \u00e0 utiliser un stack data<\/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-4caed57 elementor-widget elementor-widget-text-editor\" data-id=\"4caed57\" 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;\">Suite \u00e0 la transformation des donn\u00e9es, une 4e \u00e9tape intervient, celle de <\/span><b>l\u2019analytics. <\/b><span style=\"font-weight: 400;\">Il s\u2019agit alors d\u2019analyser les donn\u00e9es exploitables pour apporter de la valeur \u00e0 l\u2019entreprise. Et comme pour les \u00e9tapes pr\u00e9c\u00e9dentes, les data analysts et data scientists ont besoin d\u2019outils performants pour travailler efficacement. <\/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-4f46488 e-flex e-con-boxed e-con\" data-id=\"4f46488\" 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-6d0be8d elementor-widget elementor-widget-heading\" data-id=\"6d0be8d\" 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 outils du stack data ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8cc353 elementor-widget elementor-widget-text-editor\" data-id=\"f8cc353\" 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\u2019ensemble des outils du stack data pr\u00e9sente plusieurs caract\u00e9ristiques communes :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u2019automatisation<\/b><span style=\"font-weight: 400;\"> : la pr\u00e9paration des donn\u00e9es prend g\u00e9n\u00e9ralement un temps consid\u00e9rable. Il est donc primordial de disposer d\u2019outils performants qui automatisent les \u00e9tapes du processus ETL.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u2019int\u00e9gration <\/b><span style=\"font-weight: 400;\">: les outils data utilis\u00e9s doivent \u00eatre facilement int\u00e9grables \u00e0 l\u2019ensemble du stack technologique de l\u2019entreprise (notamment son syst\u00e8me d\u2019exploitation). Ces derni\u00e8res doivent alors v\u00e9rifier en amont la compatibilit\u00e9 entre les diff\u00e9rents logiciels utilis\u00e9s en interne. Des technologies incompatibles risquent en effet de faire perdre un temps pr\u00e9cieux aux \u00e9quipes data.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>La diversit\u00e9<\/b><span> : un stack data doit offrir \u00e0 l\u2019organisation une grande diversit\u00e9 de fonctionnalit\u00e9s. Les organisations doivent donc disposer d\u2019un catalogue de donn\u00e9es, d\u2019un data warehouse disponible sur le cloud, de solutions de data analytics, des tableaux de bord\u2026<\/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-590e180 elementor-widget elementor-widget-text-editor\" data-id=\"590e180\" 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 primordial de s\u00e9lectionner les bons outils, car ils permettent \u00e0 la fois de <\/span><b>gagner du temps <\/b><span style=\"font-weight: 400;\">lors du processus de transformation des donn\u00e9es, mais aussi <\/span><b>d\u2019am\u00e9liorer la<\/b> <a href=\"https:\/\/datascientest.com\/gartner-devoile-les-secrets-pour-ameliorer-la-qualite-de-ses-donnees\">qualit\u00e9 des donn\u00e9es<\/a>.<span style=\"font-weight: 400;\"> Ce faisant, les organisations peuvent prendre de meilleures d\u00e9cisions. Plus le stack data est efficace pour transformer les donn\u00e9es brutes, plus les <a href=\"https:\/\/datascientest.com\/formation-data-analyst\">Data Analysts<\/a> et <a href=\"https:\/\/datascientest.com\/formation-data-scientist\">Data Scientists<\/a> pourront apporter un maximum de valeur \u00e0 l\u2019entreprise. Ainsi, disposer des technologies ad\u00e9quates dans votre pile de donn\u00e9es participe au succ\u00e8s global de l\u2019organisation.<\/span><\/p><p><span style=\"font-weight: 400;\">Mais alors comment choisir les bons ?<\/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-f71a1a3 e-flex e-con-boxed e-con\" data-id=\"f71a1a3\" 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-179523e elementor-widget elementor-widget-heading\" data-id=\"179523e\" 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 bien choisir son stack data ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d31f0ee elementor-widget elementor-widget-text-editor\" data-id=\"d31f0ee\" 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>Quel que soit sa taille ou son secteur d\u2019activit\u00e9, chaque entreprise a besoin d\u2019un stack data complet compos\u00e9 de plusieurs outils pour transformer et analyser les donn\u00e9es. Mais toutes les entreprises ne s\u00e9lectionnent pas les m\u00eames solutions data. En effet,\u00a0<span style=\"font-weight: bold;\">en fonction des sp\u00e9cificit\u00e9s m\u00e9tiers et du stack technologique<\/span>, les outils choisis peuvent varier. Mais devant la multitude des technologies disponibles, comment choisir les bons ? Voici quelques pistes.<\/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-f120386 elementor-widget elementor-widget-heading\" data-id=\"f120386\" 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\">Identifier les besoins<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b72b602 elementor-widget elementor-widget-text-editor\" data-id=\"b72b602\" 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;\">Un ecommer\u00e7ant n\u2019aura pas les m\u00eames besoins qu\u2019une SaaS B2B ou un grand groupe industriel. Il convient donc d\u2019<\/span><b>identifier ses besoins sp\u00e9cifiques. <\/b><span style=\"font-weight: 400;\">Pour cela, nous vous invitons \u00e0 r\u00e9pondre aux questions suivantes :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quels sont les principaux points de douleurs quant aux donn\u00e9es (analyse, traitement, volume, qualit\u00e9\u2026) ?<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quelles sont les opportunit\u00e9s offertes par les donn\u00e9es ?\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">De quelles donn\u00e9es critiques l\u2019entreprise a-t-elle besoin en priorit\u00e9 ?<\/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-d86422c elementor-widget elementor-widget-text-editor\" data-id=\"d86422c\" 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;\">\u00c0 ce titre, le choix de son stack data s\u2019inscrit pleinement dans la mise en place d\u2019une <a href=\"https:\/\/datascientest.com\/comment-mettre-en-place-la-gouvernance-des-donnees-en-entreprise\">gouvernance de donn\u00e9es<\/a>.<\/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-9618a5b elementor-widget elementor-widget-image\" data-id=\"9618a5b\" 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=\"900\" height=\"506\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/data-governance.jpg\" class=\"attachment-full size-full wp-image-204397\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/data-governance.jpg 900w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/data-governance-300x169.jpg 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/data-governance-768x432.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\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-2b2a2f9 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"2b2a2f9\" 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\u00e9buter une formation en traitement de donn\u00e9es<\/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-20940ab elementor-widget elementor-widget-heading\" data-id=\"20940ab\" 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\">Cartographier toutes les donn\u00e9es accessibles<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5db74ca elementor-widget elementor-widget-text-editor\" data-id=\"5db74ca\" 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;\">Avant de s\u00e9lectionner les outils de votre stack data, il convient de <\/span><b>cartographier les donn\u00e9es actuelles et son architecture <\/b><span style=\"font-weight: 400;\">(depuis la collecte jusqu\u2019\u00e0 l\u2019analyse). Ce faisant, l\u2019entreprise est en mesure d\u2019identifier les int\u00e9grations existantes ou manquantes, les silos de donn\u00e9es, etc.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Ces informations vous permettront alors de d\u00e9finir la strat\u00e9gie data la plus appropri\u00e9e. <\/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-7a91291 elementor-widget elementor-widget-heading\" data-id=\"7a91291\" 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\">Lister les fonctionnalit\u00e9s indispensables<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47437ee elementor-widget elementor-widget-text-editor\" data-id=\"47437ee\" 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;\">En fonction de vos besoins et de la situation actuelle, il est temps de <\/span><b>d\u00e9finir les fonctionnalit\u00e9s dont doit disposer votre stack de donn\u00e9es.<\/b><span style=\"font-weight: 400;\"> Par exemple :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u2019analyse de cohortes ;\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u2019accessibilit\u00e9 en temps r\u00e9el ;\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Un SDK Android\/iOS ;\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">La puissance de calcul ;\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Le machine learning ;\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les int\u00e9grations avec d\u2019autres outils tiers.<\/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-29c951b elementor-widget elementor-widget-text-editor\" data-id=\"29c951b\" 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<span style=\"font-weight: 400;\">\u00c0 ce stade, il est primordial <\/span><b>d\u2019impliquer tous les membres des \u00e9quipes techniques <\/b><span style=\"font-weight: 400;\">(<a href=\"https:\/\/datascientest.com\/formation-data-engineer\">Data Engineer<\/a><\/span>, <a href=\"https:\/\/datascientest.com\/formation-data-analyst\">Data Analyst<\/a>, <a href=\"https:\/\/datascientest.com\/formation-data-scientist\">Data Scientist<\/a>&#8230;<\/span>).<span style=\"font-weight: 400;\">Aujourd\u2019hui, les modern data stack permettent aux organisations d\u2019impl\u00e9menter de nouveaux outils facilement. Ce qui permet ainsi d\u2019optimiser les processus de traitement de la donn\u00e9e en fonction de ses besoins \u00e0 chaque instant.<\/span>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4cb25ea elementor-widget elementor-widget-heading\" data-id=\"4cb25ea\" 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\">Choisir les bons outils<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8efeb8d elementor-widget elementor-widget-text-editor\" data-id=\"8efeb8d\" 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;\">Une fois que vous avez identifi\u00e9 toutes les fonctionnalit\u00e9s indispensables, il est temps de comparer les diff\u00e9rents produits propos\u00e9s sur le march\u00e9. Pour cela, n\u2019h\u00e9sitez pas \u00e0 <\/span><b>demander des d\u00e9mos. <\/b><span style=\"font-weight: 400;\">Cela vous permettra de vous faire une id\u00e9e de la valeur offerte par chaque outil. <\/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-c7b0135 e-flex e-con-boxed e-con\" data-id=\"c7b0135\" 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-47f4ccd elementor-widget elementor-widget-heading\" data-id=\"47f4ccd\" 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-bd524ee elementor-widget elementor-widget-text-editor\" data-id=\"bd524ee\" 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<ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Le stack data regroupe l\u2019ensemble des outils et technologies indispensables pour le traitement des donn\u00e9es.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ces derniers permettent alors d&rsquo;acc\u00e9l\u00e9rer le processus de transformation des donn\u00e9es, mais \u00e9galement d\u2019am\u00e9liorer leur qualit\u00e9.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pour cela, il convient de s\u00e9lectionner les bons outils, en fonction de ses sp\u00e9cificit\u00e9s m\u00e9tiers et de son stack technologique actuel. <\/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-bcbe27d elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"bcbe27d\" 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 nos formations en Data<\/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-4a92a0f e-flex e-con-boxed e-con\" data-id=\"4a92a0f\" 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-76e30b6 elementor-widget elementor-widget-html\" data-id=\"76e30b6\" 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\": \"Qu\u2019est-ce qu\u2019un stack data ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Un stack data (ou pile de donn\u00e9es) est un ensemble d\u2019outils et de technologies qui permettent de traiter les donn\u00e9es brutes avant de les utiliser. L\u2019objectif \u00e9tant de transformer des donn\u00e9es inexploitables en informations intelligibles. Les piles de donn\u00e9es correspondent ainsi aux diff\u00e9rentes couches technologiques qui permettent \u00e0 l\u2019entreprise d\u2019analyser les donn\u00e9es disponibles, et surtout, d\u2019apporter de la valeur gr\u00e2ce \u00e0 ces informations.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Comment transformer les donn\u00e9es gr\u00e2ce \u00e0 un stack data ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Le stack data transforme les donn\u00e9es pour les rendre plus exploitables. Ce processus de transformation se d\u00e9roule tr\u00e8s souvent en 3 \u00e9tapes : La collecte de donn\u00e9es : l\u2019id\u00e9e est alors de r\u00e9cup\u00e9rer les informations en provenance d\u2019une multitude de sources de donn\u00e9es. \u00c0 ce stade, le pipeline de donn\u00e9es est inexploitable. 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Mais devant la multitude des technologies disponibles, comment choisir les bons ?\"\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>Souvent per\u00e7ues comme l\u2019or du 21\u00e8me si\u00e8cle, les donn\u00e9es figurent parmi les ressources les plus pr\u00e9cieuses des entreprises (et m\u00eame de l\u2019\u00e9conomie globale). Mais ces informations ne sont pas toujours compr\u00e9hensibles et exploitables. Avant d\u2019apporter de la valeur gr\u00e2ce aux donn\u00e9es, les experts data utilisent de nombreux outils et technologies. C\u2019est le stack data. Qu\u2019est-ce [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":204391,"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>Stack data : Qu&#039;est-ce que c&#039;est ? Pourquoi est-ce important ?<\/title>\n<meta name=\"description\" content=\"Pour traiter les donn\u00e9es et les rendre intelligibles, les organisations utilisent une multitude d\u2019outils. 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