{"id":26812,"date":"2022-07-25T14:18:56","date_gmt":"2022-07-25T12:18:56","guid":{"rendered":"https:\/\/swissdox.ch\/?page_id=26812"},"modified":"2024-09-18T00:50:14","modified_gmt":"2024-09-17T22:50:14","slug":"quest-ce-que-lanalyse-de-donnees","status":"publish","type":"page","link":"https:\/\/swissdox.ch\/fr\/swissdox-liri\/quest-ce-que-lanalyse-de-donnees\/","title":{"rendered":"Qu&rsquo;est-ce que l&rsquo;analyse de donn\u00e9es ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"26812\" class=\"elementor elementor-26812 elementor-26811\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7bf5bde elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7bf5bde\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-61b3194\" data-id=\"61b3194\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ac240f6 elementor-widget elementor-widget-breadcrumbs\" data-id=\"ac240f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/swissdox.ch\/fr\/\">Home<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5f09a0e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5f09a0e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-468c0ca\" data-id=\"468c0ca\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e3eff71 elementor-widget elementor-widget-heading\" data-id=\"e3eff71\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce que l'analyse de donn\u00e9es ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fedee1 elementor-widget elementor-widget-text-editor\" data-id=\"1fedee1\" data-element_type=\"widget\" data-e-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\t\t<p><strong>L&rsquo;analyse descriptive <\/strong>des donn\u00e9es d\u00e9crit les donn\u00e9es d&rsquo;un \u00e9chantillon s\u00e9lectionn\u00e9 ou, dans le cas d&rsquo;une enqu\u00eate totale, les donn\u00e9es de l&rsquo;ensemble de la population au moyen de ratios ou d&rsquo;une repr\u00e9sentation graphique.<\/p>\r\n\r\n<p><strong>L&rsquo;analyse inf\u00e9rentielle<\/strong> des donn\u00e9es d\u00e9duit de l&rsquo;\u00e9chantillon collect\u00e9 les caract\u00e9ristiques de la population non collect\u00e9e.<\/p>\r\n\r\n<p><strong>L&rsquo;analyse exploratoire des donn\u00e9es<\/strong> sert \u00e0 d\u00e9couvrir des corr\u00e9lations entre diff\u00e9rentes variables.<\/p>\r\n\r\n<p><strong>L&rsquo;analyse contextuelle des donn\u00e9es<\/strong> sert \u00e0 d\u00e9couvrir des constellations dans des donn\u00e9es li\u00e9es par leur contenu.<\/p>\r\n\r\n<p><strong>Les analyses de donn\u00e9es volumineuses<\/strong> s&rsquo;int\u00e9ressent \u00e0 des ensembles de donn\u00e9es 3V qui se pr\u00e9sentent sous la forme d&rsquo;une grande vari\u00e9t\u00e9 (= variety), de volumes \u00e9lev\u00e9s et croissants (= volume) et d&rsquo;une grande vitesse (= velocity). Le terme Big Data d\u00e9signe de grandes quantit\u00e9s de donn\u00e9es provenant notamment de secteurs tels qu&rsquo;Internet et la t\u00e9l\u00e9phonie mobile, l&rsquo;industrie financi\u00e8re, le secteur de l&rsquo;\u00e9nergie, la sant\u00e9 et les transports, ainsi que de sources telles que les agents intelligents, les m\u00e9dias sociaux, les cartes de cr\u00e9dit et de client, les syst\u00e8mes de comptage intelligents, les appareils d&rsquo;assistance, les cam\u00e9ras de surveillance et les avions et v\u00e9hicules, qui sont stock\u00e9es, trait\u00e9es et analys\u00e9es \u00e0 l&rsquo;aide de solutions sp\u00e9cifiques.<\/p>\r\n\r\n<p><strong>Les r\u00e9seaux neuronaux<\/strong> se composent d&rsquo;un ensemble d&rsquo;unit\u00e9s de traitement reli\u00e9es entre elles par des canaux de communication, les neurones. Les informations d&rsquo;entr\u00e9e sont trait\u00e9es par les neurones au sein du r\u00e9seau, en r\u00e8gle g\u00e9n\u00e9rale par le biais de fonctions non lin\u00e9aires, et le r\u00e9sultat est propag\u00e9 \u00e0 d&rsquo;autres neurones via les canaux de communication. Les informations de sortie repr\u00e9sentent le r\u00e9sultat des processus de traitement. La force des r\u00e9seaux neuronaux r\u00e9side dans le traitement hautement parall\u00e8le des informations d&rsquo;entr\u00e9e, rendu possible par la connexion des neurones et de leurs fonctions de traitement. Il est ainsi possible de repr\u00e9senter des d\u00e9pendances non lin\u00e9aires tr\u00e8s complexes dans les informations d&rsquo;entr\u00e9e. Les r\u00e9seaux neuronaux doivent apprendre ces d\u00e9pendances, ce qui se fait g\u00e9n\u00e9ralement sur la base de donn\u00e9es empiriques.<\/p>\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-5b3dfb0\" data-id=\"5b3dfb0\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c45d47d elementor-widget elementor-widget-heading\" data-id=\"c45d47d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sources<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8e8586 elementor-widget elementor-widget-text-editor\" data-id=\"e8e8586\" data-element_type=\"widget\" data-e-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\t\t<p>Oracle India Team: <a href=\"https:\/\/www.oracle.com\/in\/big-data\/what-is-big-data\/\">What is Big Data?<\/a> (Oracle India, 17.05.2022)<\/p>\n<p>Oliver Bendel: <a href=\"https:\/\/wirtschaftslexikon.gabler.de\/definition\/big-data-54101\/version-384381\">Big Data<\/a>. Dans : Gabler Wirtschaftslexikon (Online-Ausgabe). wirtschaftslexikon.gabler.de-Internetportal (Verlag Springer Gabler, 17.05.2022)<\/p>\n<p>Udo Kamps: <a href=\"https:\/\/wirtschaftslexikon.gabler.de\/definition\/datenanalyse-30331\/version-164492\">Datenanalyse<\/a>. Dans : Gabler Wirtschaftslexikon (Online-Ausgabe). wirtschaftslexikon.gabler.de-Internetportal (Verlag Springer Gabler, 17.05.2022)<\/p>\n<p>Richard Lackes und Markus Siepermann: <a href=\"https:\/\/wirtschaftslexikon.gabler.de\/definition\/neuronale-netze-41065\/version-264437\">Neuronale Netze<\/a>. Dans : Gabler Wirtschaftslexikon (Online-Ausgabe). wirtschaftslexikon.gabler.de-Internetportal (Verlag Springer Gabler, 17.05.2022)<\/p>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Qu&rsquo;est-ce que l&rsquo;analyse de donn\u00e9es ? L&rsquo;analyse descriptive des donn\u00e9es d\u00e9crit les donn\u00e9es d&rsquo;un \u00e9chantillon s\u00e9lectionn\u00e9 ou, dans le cas d&rsquo;une enqu\u00eate totale, les donn\u00e9es de l&rsquo;ensemble de la population au moyen de ratios ou d&rsquo;une repr\u00e9sentation graphique. L&rsquo;analyse inf\u00e9rentielle des donn\u00e9es d\u00e9duit de l&rsquo;\u00e9chantillon collect\u00e9 les caract\u00e9ristiques de la population non collect\u00e9e. L&rsquo;analyse exploratoire [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15270,"parent":26754,"menu_order":14,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"ocean_post_layout":"full-screen","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"off","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"on","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-26812","page","type-page","status-publish","has-post-thumbnail","hentry","entry","has-media"],"acf":[],"yoast_head":"<!-- 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