{"id":11747,"date":"2020-10-22T07:39:30","date_gmt":"2020-10-22T06:39:30","guid":{"rendered":"https:\/\/datascientest.com\/?p=11747"},"modified":"2023-11-09T14:11:40","modified_gmt":"2023-11-09T14:11:40","slug":"nlp-twitter-analyse-de-sentiment","status":"publish","type":"post","link":"https:\/\/datascientest.com\/nlp-twitter-analyse-de-sentiment","title":{"rendered":"NLP Twitter &#8211; Analyse de Sentiment"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"11747\" class=\"elementor elementor-11747\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-161a51e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"161a51e\" data-element_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-267a277\" data-id=\"267a277\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0b0b8e9 elementor-widget elementor-widget-heading\" data-id=\"0b0b8e9\" 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\">Aujourd\u2019hui, Twitter est utilis\u00e9 par des centaines de millions de personnes dans le monde entier. Plus pr\u00e9cis\u00e9ment, l'estimation actuelle s'\u00e9l\u00e8ve \u00e0 environ 330 millions d'utilisateurs actifs mensuels et 145 millions d'utilisateurs actifs quotidiens sur Twitter. Autre chiffre int\u00e9ressant : 63 % des utilisateurs de Twitter dans le monde ont entre 35 et 65 ans.\n\nL\u2019objectif de cet article est de r\u00e9aliser une analyse exploratoire et visuelle des tweets pr\u00e9sents dans notre jeu de donn\u00e9es. Dans un second temps, le but sera de parvenir \u00e0 classifier \u00e0 l\u2019aide de diff\u00e9rents mod\u00e8les disponibles en Python, les sentiments des tweets selon qu\u2019ils soient plut\u00f4t positifs, neutres ou n\u00e9gatifs. Autrement dit r\u00e9unir sentiment analysis et NLP.<\/h2>\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\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-847e824 e-flex e-con-boxed e-con\" data-id=\"847e824\" 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-be9080d elementor-widget elementor-widget-heading\" data-id=\"be9080d\" 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\">Sommaire<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0edb159 elementor-widget elementor-widget-text-editor\" data-id=\"0edb159\" 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<ol><li>Introduction au NLP<\/li><li>Word embedding &#8211; Word2vec<\/li><li>NLP &#8211; Word translation<\/li><li>NLP Twitter &#8211; Analyse des sentiments<ol><li><a href=\"#analysevisuelle\">Analyse visuelle des donn\u00e9es<\/a><\/li><li><a href=\"#metadonnes\">Cr\u00e9ation des m\u00e9tadonn\u00e9es et classification<\/a><\/li><li><a href=\"#afinn\">Solution alternatives : AFINN<\/a><\/li><\/ol><\/li><\/ol>\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-568f677 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"568f677\" data-element_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-8ca7e1f\" data-id=\"8ca7e1f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-16b3714 elementor-widget elementor-widget-menu-anchor\" data-id=\"16b3714\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\nbody.elementor-page .elementor-widget-menu-anchor{margin-bottom:0}<\/style>\t\t<div id=\"analysevisuelle\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-251904d elementor-widget elementor-widget-heading\" data-id=\"251904d\" 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\">PREMI\u00c8RE ANALYSE VISUELLE DES DONN\u00c9ES<\/h3>\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aba668d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aba668d\" data-element_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-f662477\" data-id=\"f662477\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-90a9045 elementor-widget elementor-widget-text-editor\" data-id=\"90a9045\" 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=\"color: #000000;\">Tout d\u2019abord, voici un premier aper\u00e7u du jeu de donn\u00e9es que nous avons \u00e0 disposition : <a href=\"https:\/\/dst-train-datasets.s3-eu-west-1.amazonaws.com\/masterclass_tm\/twitter_comment.csv\">t\u00e9l\u00e9charger le jeu de donn\u00e9es<\/a><\/span><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">, obtenu \u00e0 l\u2019aide de la commande <\/span><b><i>df.head()<\/i><\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/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<\/div>\n\t\t\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-730fbee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"730fbee\" data-element_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-b857350\" data-id=\"b857350\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cd5eaeb elementor-widget elementor-widget-image\" data-id=\"cd5eaeb\" 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=\"512\" height=\"102\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-3.png\" class=\"attachment-full size-full wp-image-11968\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-3.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-3-300x60.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\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<\/div>\n\t\t\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-c9e8ca9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c9e8ca9\" data-element_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-09649e9\" data-id=\"09649e9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dd118b6 elementor-widget elementor-widget-text-editor\" data-id=\"dd118b6\" 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=\"color: #000000;\"><span style=\"font-weight: 400;\">Comme nous pouvons l\u2019apercevoir, ce jeu de donn\u00e9es recensant au total 1.6 millions de tweets, contient une colonne intitul\u00e9e <\/span><i><span style=\"font-weight: 400;\">label <\/span><\/i><span style=\"font-weight: 400;\">attribuant un 1 si le sentiment du tweet est positif et -1 dans le cas contraire.<\/span><\/span><\/p><p><span style=\"font-weight: 400; color: #000000;\">Dans un premier temps, nous allons essayer de d\u00e9terminer le mois dans lequel la twittosph\u00e8re est la plus active.<\/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<\/div>\n\t\t\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-ef9994e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ef9994e\" data-element_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-c4f8611\" data-id=\"c4f8611\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71af4a3 elementor-widget elementor-widget-shortcode\" data-id=\"71af4a3\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/garybedoucha\/edbf5f7ca5f9d60fcc1377615592d996.js\"><\/script><\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7c919b3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7c919b3\" data-element_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-f402a0f\" data-id=\"f402a0f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6a60809 elementor-widget elementor-widget-image\" data-id=\"6a60809\" 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=\"512\" height=\"222\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-1-1.png\" class=\"attachment-full size-full wp-image-11971\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-1-1.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-1-1-300x130.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\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<\/div>\n\t\t\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-401ed70 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"401ed70\" data-element_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-4c941ce\" data-id=\"4c941ce\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c237505 elementor-widget elementor-widget-text-editor\" data-id=\"c237505\" 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 premi\u00e8re tendance se d\u00e9gage ici :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Les <\/span><b>mois de mai (5) et juin (6) semblent \u00eatre les mois o\u00f9 les tweets sont les plus nombreux<\/b><span style=\"font-weight: 400;\">. On pourrait expliquer cela par diverses raisons notamment le fait Twitter s\u2019adresse particuli\u00e8rement aux jeunes et que les mois de mai et juin constituent la fin de leur ann\u00e9e scolaire ou universitaire, permettant ainsi \u00e0 ces derniers de s\u2019exprimer davantage sur Twitter.\u00a0<\/span><\/li><\/ul><ul><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">On remarque \u00e9galement qu\u2019en juin les sentiments des tweets sont plut\u00f4t n\u00e9gatifs (lab\u00e9lis\u00e9s -1) confirmant ainsi l\u2019id\u00e9e pr\u00e9-re\u00e7ues que Twitter peut-\u00eatre parfois un <\/span><b>lieu de d\u00e9ferlement de violence<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Nous pourrions maintenant nous demander quel est le jour de la semaine o\u00f9 le nombre de tweet est le plus nombreux :<\/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<\/div>\n\t\t\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-67d64d7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"67d64d7\" data-element_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-7320797\" data-id=\"7320797\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6803f1b elementor-widget elementor-widget-shortcode\" data-id=\"6803f1b\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/garybedoucha\/7edfbf70c865108d4ed0c3a60b759c02.js\"><\/script><\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-04acf98 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"04acf98\" data-element_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-647b00e\" data-id=\"647b00e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1c75a54 elementor-widget elementor-widget-image\" data-id=\"1c75a54\" 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=\"512\" height=\"222\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-1-1.png\" class=\"attachment-large size-large wp-image-11971\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-1-1.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-1-1-300x130.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\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<\/div>\n\t\t\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-54c2ff3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"54c2ff3\" data-element_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-30a9fe1\" data-id=\"30a9fe1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ed0941d elementor-widget elementor-widget-text-editor\" data-id=\"ed0941d\" 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; color: #000000;\">Nous remarquons ici sans surprise que les twittos utilisent beaucoup plus Twitter le week-end qu\u2019en semaine.<\/span><\/p><p><span style=\"font-weight: 400; color: #000000;\">On peut \u00e9galement s\u2019int\u00e9resser \u00e0 l\u2019horaire de la journ\u00e9e o\u00f9 il y a le plus de tweets et constater \u00e9galement sans \u00e9tonnement que c\u2019est surtout avant et apr\u00e8s le d\u00e9but et la fin de la journ\u00e9e de travail\/\u00e9cole que le nombre de tweets explose :\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<\/div>\n\t\t\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-63efe47 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"63efe47\" data-element_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-4c847ca\" data-id=\"4c847ca\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21821d4 elementor-widget elementor-widget-shortcode\" data-id=\"21821d4\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/garybedoucha\/dd086cc1ecec0ca9bbe494118ecf8df2.js\"><\/script><\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e602af9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e602af9\" data-element_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-11b6f7d\" data-id=\"11b6f7d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dc1168d elementor-widget elementor-widget-image\" data-id=\"dc1168d\" 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=\"914\" height=\"311\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/data.png\" class=\"attachment-full size-full wp-image-12011\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/data.png 914w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/data-300x102.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/data-768x261.png 768w\" sizes=\"(max-width: 914px) 100vw, 914px\" \/>\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<\/div>\n\t\t\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-f00c2ba elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f00c2ba\" data-element_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-de0dcb4\" data-id=\"de0dcb4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cbdbb3d elementor-widget elementor-widget-text-editor\" data-id=\"cbdbb3d\" 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;\">Voici un nuage de mots dans lequel on peut apercevoir <\/span><b>quels sont les mots les plus utilis\u00e9s dans les tweets de ses utilisateurs<\/b> <span style=\"font-weight: 400;\">(plus la taille de la police d\u2019un mot est grande, plus le nombre d\u2019occurrences de celui-ci est important)<\/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<\/div>\n\t\t\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-642004f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"642004f\" data-element_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-fc7bc51\" data-id=\"fc7bc51\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c459fbe elementor-widget elementor-widget-shortcode\" data-id=\"c459fbe\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/garybedoucha\/b3e73bf42d210fba6d6aeebd35548d36.js\"><\/script><\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ae945db elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ae945db\" data-element_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-a6200ef\" data-id=\"a6200ef\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-91555d9 elementor-widget elementor-widget-image\" data-id=\"91555d9\" 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=\"512\" height=\"288\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/nuage-de-mot.png\" class=\"attachment-full size-full wp-image-12020\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/nuage-de-mot.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/nuage-de-mot-300x169.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\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<\/div>\n\t\t\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-de7500c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"de7500c\" data-element_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-8ffb6f3\" data-id=\"8ffb6f3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9542ff7 elementor-widget elementor-widget-text-editor\" data-id=\"9542ff7\" 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;\">D\u00e9sormais, nous allons commencer notre <\/span><b>travail de classification<\/b><span style=\"font-weight: 400;\"> de sentiments des tweets \u00e0 l\u2019aide d\u2019une <\/span><b>r\u00e9gression logistique<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p>Pour ce faire, l\u2019id\u00e9e est comme d\u2019habitude de diviser notre jeu de donn\u00e9es en un \u00e9chantillon d&rsquo;entra\u00eenement (80%) dans lequel nous allons apprendre les param\u00e8tres du mod\u00e8le et un \u00e9chantillon test (20%) dans lequel nous allons les tester.<\/p><p><span style=\"font-weight: 400;\">N\u00e9anmoins, les variables explicatives \u00e9tant des donn\u00e9es textuelles (les tweets), nous allons au pr\u00e9alable cr\u00e9er de nouvelles variables explicatives num\u00e9riques en lien avec les tweets (des m\u00e9tadonn\u00e9es) afin de pouvoir ensuite pr\u00e9dire les labels.<\/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<\/div>\n\t\t\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-a248df2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a248df2\" data-element_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-9287500\" data-id=\"9287500\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6a7d922 elementor-widget elementor-widget-menu-anchor\" data-id=\"6a7d922\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"metadonnes\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7587a87 elementor-widget elementor-widget-heading\" data-id=\"7587a87\" 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\">CR\u00c9ATION DES M\u00c9TADONN\u00c9ES ET CLASSIFICATION<\/h3>\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a120dda elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a120dda\" data-element_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-b5b82e1\" data-id=\"b5b82e1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1769e75 elementor-widget elementor-widget-text-editor\" data-id=\"1769e75\" 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;\">Pour analyser le sentiment d&rsquo;un tweet, nous pouvons alors extraire ce qui nous semble \u00eatre important comme par exemple :<\/span><\/p><ul><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre de <\/span><b>lien \u00ab\u00a0http(s)\u00a0\u00bb ou \u00ab\u00a0www.\u00a0\u00bb<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre <\/span><b>d&rsquo;adresse mail<\/b><span style=\"font-weight: 400;\">. (le nombre d&rsquo;adresse mail cit\u00e9 dans le tweet pourrait avoir une importance concernant le s\u00e9rieux du tweet.)<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre <\/span><b>d&rsquo;hashtag<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre de <\/span><b>citation d&rsquo;utilisateur<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre de <\/span><b>lettre en majuscule<\/b><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre de <\/span><b>chaine lettre en majuscule<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre de <\/span><b>point d&rsquo;exclamation<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre de <\/span><b>cha\u00eene de point d&rsquo;exclamation<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre de <\/span><b>point d&rsquo;interrogation<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre de <\/span><b>cha\u00eene de point d&rsquo;interrogation<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Le nombre de <\/span><b>point ect (&#8230;)<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><\/ul>\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0bebf08 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0bebf08\" data-element_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-535071d\" data-id=\"535071d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1b02523 elementor-widget elementor-widget-shortcode\" data-id=\"1b02523\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/garybedoucha\/c97acfa6a91b3ddb52d6db465c1839ae.js\"><\/script><\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5b59a14 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5b59a14\" data-element_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-c874d6e\" data-id=\"c874d6e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a62a5d4 elementor-widget elementor-widget-text-editor\" data-id=\"a62a5d4\" 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; color: #000000;\">Voici un nouvel aper\u00e7u de notre jeu de donn\u00e9es apr\u00e8s cr\u00e9ation des m\u00e9tadonn\u00e9es :<\/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<\/div>\n\t\t\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-df20f04 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"df20f04\" data-element_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-4cbe145\" data-id=\"4cbe145\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c538c4f elementor-widget elementor-widget-image\" data-id=\"c538c4f\" 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=\"512\" height=\"155\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/methadonnees.png\" class=\"attachment-full size-full wp-image-12027\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/methadonnees.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/methadonnees-300x91.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\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<\/div>\n\t\t\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-40d2a45 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"40d2a45\" data-element_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-657277a\" data-id=\"657277a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1ba48b8 elementor-widget elementor-widget-text-editor\" data-id=\"1ba48b8\" 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;\"><span style=\"color: #000000;\">En regroupant et sommant chaque colonne de ce nouveau jeu de donn\u00e9es en fonction du label<\/span> <\/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<\/div>\n\t\t\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-3f68e42 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3f68e42\" data-element_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-f5e4aaa\" data-id=\"f5e4aaa\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cff36b6 elementor-widget elementor-widget-shortcode\" data-id=\"cff36b6\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/garybedoucha\/f00230a430297bce7c0a348a3c67cc83.js\"><\/script><\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8b825bb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8b825bb\" data-element_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-9f12a83\" data-id=\"9f12a83\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d5e80f3 elementor-widget elementor-widget-image\" data-id=\"d5e80f3\" 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=\"512\" height=\"85\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/jeu-de-fonction.png\" class=\"attachment-full size-full wp-image-12028\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/jeu-de-fonction.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/jeu-de-fonction-300x50.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\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<\/div>\n\t\t\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-0028079 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0028079\" data-element_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-f604382\" data-id=\"f604382\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e43f5c2 elementor-widget elementor-widget-text-editor\" data-id=\"e43f5c2\" 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;\">Nous remarquons que si le tweet est compos\u00e9 de liens ou d&rsquo;adresse mail, il aura tendance \u00e0 \u00eatre beaucoup plus positif.<\/span><\/p><p><span style=\"font-weight: 400;\">Les variables explicatives \u00e9tant d\u00e9sormais pr\u00eates \u00e0 \u00eatre utilis\u00e9, nous n\u2019avons plus qu\u2019\u00e0 faire tourner notre mod\u00e8le de r\u00e9gression logistique afin de<\/span><b> classifier les sentiments positifs ou n\u00e9gatifs des tweets. <\/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<\/div>\n\t\t\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-1dfaeac elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1dfaeac\" data-element_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-970b1b6\" data-id=\"970b1b6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aab9c79 elementor-widget elementor-widget-shortcode\" data-id=\"aab9c79\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\">\n<script src=\"https:\/\/gist.github.com\/garybedoucha\/c48751eefe3b60ce9e0093891c000753.js\"><\/script><\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9d309e8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9d309e8\" data-element_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-b358bc4\" data-id=\"b358bc4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c2a145a elementor-widget elementor-widget-text-editor\" data-id=\"c2a145a\" 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=\"color: #000000;\">Voici le score de pr\u00e9diction obtenu par le mod\u00e8le :<\/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<\/div>\n\t\t\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-492fa76 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"492fa76\" data-element_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-5c57c6e\" data-id=\"5c57c6e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-75ce7fb elementor-widget elementor-widget-image\" data-id=\"75ce7fb\" 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=\"128\" height=\"26\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/unnamed-2-1.png\" class=\"attachment-full size-full wp-image-12030\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/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<\/div>\n\t\t\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-b0fcece elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b0fcece\" data-element_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-b81fec3\" data-id=\"b81fec3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bf92d80 elementor-widget elementor-widget-text-editor\" data-id=\"bf92d80\" 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;\">On obtient ainsi un score de pr\u00e9diction d\u2019environ 60% qui n\u2019est pas extraordinaire. Pour am\u00e9liorer ce score, on pourrait utiliser une repr\u00e9sentation <\/span><b>bag of words <\/b><span style=\"font-weight: 400;\">de chaque mot pr\u00e9sent dans les tweets qui permet tout simplement de<\/span> <a href=\"https:\/\/datascientest.com\/le-word-embedding\">repr\u00e9senter le texte sous forme d&rsquo;un vecteur<\/a> <span style=\"font-weight: 400;\">traitable par un algorithme de machine learning\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<\/div>\n\t\t\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-8ac1c18 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8ac1c18\" data-element_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-a079b24\" data-id=\"a079b24\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3bc192e elementor-widget elementor-widget-menu-anchor\" data-id=\"3bc192e\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"afinn\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c902bed elementor-widget elementor-widget-heading\" data-id=\"c902bed\" 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\">SOLUTION ALTERNATIVE : AFINN<\/h3>\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fe8e0b9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fe8e0b9\" data-element_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-9a32ecb\" data-id=\"9a32ecb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-25fa35b elementor-widget elementor-widget-text-editor\" data-id=\"25fa35b\" 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=\"color: #000000;\"><span style=\"font-weight: 400;\">Une autre solution pour classifier le sentiment d\u2019un tweet est d\u2019utiliser des librairies disponibles sur Python comme <\/span><b>Afinn.<\/b><\/span><\/p><p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Le lexique AFINN est une liste de termes anglais dont la version actuelle contient plus de 3 300 mots, chacun \u00e9tant associ\u00e9 \u00e0 un score de sentiment que nous pouvons obtenir \u00e0 l&rsquo;aide de la m\u00e9thode <\/span><i><span style=\"font-weight: 400;\">score<\/span><\/i><span style=\"font-weight: 400;\"> de la classe <\/span><b>Afinn<\/b><span style=\"font-weight: 400;\">.<\/span><\/span><\/p><p><span style=\"font-weight: 400; color: #000000;\">Le score Afinn est une variable cat\u00e9gorielle dont voici la r\u00e8gle d&rsquo;interpr\u00e9tation :<\/span><\/p><ul><li style=\"font-weight: 400;\"><span style=\"font-weight: 400; color: #000000;\">Sentiment n\u00e9gatif : score afinn &lt; 0<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400; color: #000000;\">Sentiment neutre : score afinn == 0<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400; color: #000000;\">Sentiment positif : score afinn &gt; 0<\/span><\/li><\/ul><p><span style=\"font-weight: 400; color: #000000;\">Appliquons d\u00e9sormais la fonction Afinn \u00e0 notre jeu de donn\u00e9es :<\/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<\/div>\n\t\t\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-104892d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"104892d\" data-element_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-760e1f4\" data-id=\"760e1f4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-78ee5aa elementor-widget elementor-widget-shortcode\" data-id=\"78ee5aa\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/garybedoucha\/35c2a34106acb231f7f1ee65368fe9f1.js\"><\/script><\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cfbfdb2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cfbfdb2\" data-element_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-6f70cc3\" data-id=\"6f70cc3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-70c7bf9 elementor-widget elementor-widget-image\" data-id=\"70c7bf9\" 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=\"454\" height=\"199\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/afinn.png\" class=\"attachment-full size-full wp-image-12031\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/afinn.png 454w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/afinn-300x131.png 300w\" sizes=\"(max-width: 454px) 100vw, 454px\" \/>\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<\/div>\n\t\t\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-06b743b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"06b743b\" data-element_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-2e18b7a\" data-id=\"2e18b7a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a8f1cb3 elementor-widget elementor-widget-text-editor\" data-id=\"a8f1cb3\" 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; color: #000000;\">Regardons maintenant si Afinn est efficace :<\/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<\/div>\n\t\t\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-96eb037 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"96eb037\" data-element_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-b9ce95d\" data-id=\"b9ce95d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5209964 elementor-widget elementor-widget-shortcode\" data-id=\"5209964\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/garybedoucha\/45987ba3dde848f4a1af032c3fbaf050.js\"><\/script>\n<\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f1c18b8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f1c18b8\" data-element_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-22bed5c\" data-id=\"22bed5c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8b27681 elementor-widget elementor-widget-image\" data-id=\"8b27681\" 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=\"422\" height=\"111\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/afinn-2.png\" class=\"attachment-full size-full wp-image-12032\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/afinn-2.png 422w, https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/afinn-2-300x79.png 300w\" sizes=\"(max-width: 422px) 100vw, 422px\" \/>\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<\/div>\n\t\t\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-cbece9f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cbece9f\" data-element_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-04cd78c\" data-id=\"04cd78c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-07a056a elementor-widget elementor-widget-text-editor\" data-id=\"07a056a\" 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\tComme on peut le voir, Afinn est particuli\u00e8rement performant et a permis de d\u00e9terminer de mani\u00e8re cat\u00e9gorique le caract\u00e8re n\u00e9gatif des 2 tweets ci-dessus.\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-eabf954 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"eabf954\" data-element_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-5172902\" data-id=\"5172902\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-353174c elementor-widget elementor-widget-heading\" data-id=\"353174c\" 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\">CONCLUSION :<\/h3>\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b5b2f80 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b5b2f80\" data-element_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-eba3404\" data-id=\"eba3404\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8af6315 elementor-widget elementor-widget-text-editor\" data-id=\"8af6315\" 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; color: #000000;\">\u00c0 travers cet article, nous avons pu encore une fois nous\u00a0 rendre compte de la puissance du NLP qui a permis de classifier de mani\u00e8res fiable le sentiment des tweets. <\/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<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-4ce87b3 e-flex e-con-boxed e-con\" data-id=\"4ce87b3\" 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-b42686b elementor-widget__width-initial elementor-widget elementor-widget-video\" data-id=\"b42686b\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/P_bYAOdUQHY&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.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-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video .elementor-wrapper{aspect-ratio:var(--video-aspect-ratio)}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{height:100%;width:100%;display:flex;border:none;background-color:#000}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-wrapper{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .elementor-open-inline .elementor-custom-embed-image-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:50%}.elementor-widget-video .elementor-custom-embed-image-overlay{cursor:pointer;text-align:center}.elementor-widget-video .elementor-custom-embed-image-overlay:hover .elementor-custom-embed-play i{opacity:1}.elementor-widget-video .elementor-custom-embed-image-overlay img{display:block;width:100%;aspect-ratio:var(--video-aspect-ratio);-o-object-fit:cover;object-fit:cover;-o-object-position:center center;object-position:center center}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-custom-embed-image-overlay{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-custom-embed-image-overlay img{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .e-hosted-video .elementor-video{-o-object-fit:cover;object-fit:cover}.e-con-inner>.elementor-widget-video,.e-con>.elementor-widget-video{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\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-6cb077b elementor-widget elementor-widget-text-editor\" data-id=\"6cb077b\" 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; color: #000000;\">Cette analyse de sentiments Twitter pourrait avoir plusieurs domaines d&rsquo;application dont voici quelques exemples sp\u00e9cifiques :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\"><span style=\"color: #000000;\"><b>La surveillance des m\u00e9dias sociaux :<\/b><span style=\"font-weight: 400;\"> D\u00e9tecter les tweets \u00e0 sentiments n\u00e9gatifs pourrait permettre de r\u00e9duire le harc\u00e8lement et le d\u00e9ferlement de violence se produisant sur Twitter<\/span><\/span><\/li><\/ul><ul><li style=\"font-weight: 400;\"><span style=\"color: #000000;\"><b>Campagnes politiques :<\/b> <span style=\"font-weight: 400;\">L&rsquo;analyse des sentiments sur Twitter pourrait permettre d\u2019analyser la popularit\u00e9 d\u2019un candidat politique et de pr\u00e9dire ainsi le vainqueur d\u2019une \u00e9lection pr\u00e9sidentielle par exemple<\/span><\/span><\/li><li style=\"font-weight: 400;\"><b>Fid\u00e9liser la client\u00e8le d\u2019une entreprise :<\/b><span><span style=\"color: #000000;\"> L&rsquo;analyse des sentiments sur Twitter permet de suivre ce qui se dit \u00e0 propos d\u2019un produit ou service vendu par une entreprise et peut ainsi aider \u00e0 d\u00e9tecter les clients en col\u00e8re.<\/span><\/span><\/li><\/ul>\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-148fc40 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"148fc40\" data-element_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-30c4fbc\" data-id=\"30c4fbc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-acaf8f8 elementor-widget elementor-widget-heading\" data-id=\"acaf8f8\" 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\">Cet article vous a plu ? Inscrivez-vous \u00e0 notre Newsletter pour recevoir nos articles en avant-premi\u00e8re !<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efeddbd elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"efeddbd\" 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\/blog-data-ia-actualites#formnewsletter\">\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\">S'inscrire \u00e0 la Newsletter<\/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<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Aujourd\u2019hui, Twitter est utilis\u00e9 par des centaines de millions de personnes dans le monde entier. Plus pr\u00e9cis\u00e9ment, l&rsquo;estimation actuelle s&rsquo;\u00e9l\u00e8ve \u00e0 environ 330 millions d&rsquo;utilisateurs actifs mensuels et 145 millions d&rsquo;utilisateurs actifs quotidiens sur Twitter. Autre chiffre int\u00e9ressant : 63 % des utilisateurs de Twitter dans le monde ont entre 35 et 65 ans. L\u2019objectif [&hellip;]<\/p>\n","protected":false},"author":78,"featured_media":13570,"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>NLP Twitter - Analyse de Sentiment - DataScientest<\/title>\n<meta name=\"description\" content=\"Et si le Natural Language Processing -NLP- permettait de r\u00e9aliser de l&#039;analyse de sentiments sur Twitter ? Cet article vous en dit plus !\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/datascientest.com\/nlp-twitter-analyse-de-sentiment\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NLP Twitter - Analyse de Sentiment\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/nlp-twitter-analyse-de-sentiment\" \/>\n<meta property=\"og:site_name\" content=\"Formation Data Science | DataScientest.com\" \/>\n<meta property=\"article:published_time\" content=\"2020-10-22T06:39:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-09T14:11:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/10\/illu_NLP_twitter_blog-14.png\" \/>\n\t<meta property=\"og:image:width\" content=\"6335\" \/>\n\t<meta property=\"og:image:height\" content=\"2501\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"J\u00e9r\u00e9my Robert\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"J\u00e9r\u00e9my Robert\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/datascientest.com\/nlp-twitter-analyse-de-sentiment\",\"url\":\"https:\/\/datascientest.com\/nlp-twitter-analyse-de-sentiment\",\"name\":\"NLP Twitter - Analyse de Sentiment - DataScientest\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/#website\"},\"datePublished\":\"2020-10-22T06:39:30+00:00\",\"dateModified\":\"2023-11-09T14:11:40+00:00\",\"author\":{\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/7af2361c48e24e79a8aa2360e6e74925\"},\"description\":\"Et si le Natural Language Processing -NLP- permettait de r\u00e9aliser de l'analyse de sentiments sur Twitter ? 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Il est dipl\u00f4m\u00e9 de l'Universit\u00e9 Paris Cit\u00e9 avec un Master MIAGE, combinant comp\u00e9tences en informatique et gestion.","sameAs":["https:\/\/www.linkedin.com\/in\/jeremyrobert1\/","Data Science"],"url":"https:\/\/datascientest.com\/author\/jeremyrobert"}]}},"_links":{"self":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/posts\/11747"}],"collection":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/users\/78"}],"replies":[{"embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/comments?post=11747"}],"version-history":[{"count":0,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/posts\/11747\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/media\/13570"}],"wp:attachment":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/media?parent=11747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/categories?post=11747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/tags?post=11747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}