{"id":3336,"date":"2017-05-05T08:51:06","date_gmt":"2017-05-05T07:51:06","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=3336"},"modified":"2018-04-08T00:02:46","modified_gmt":"2018-04-07T23:02:46","slug":"comment-selectionner-des-colonnes-dans-un-data-frame-select","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/comment-selectionner-des-colonnes-dans-un-data-frame-select\/","title":{"rendered":"Comment s\u00e9lectionner des colonnes dans un data.frame ? select()"},"content":{"rendered":"<p>Votre jeu de donn\u00e9es est trop grand ? Vous avez trop de colonnes ? Vous pouvez en s\u00e9lectionner tr\u00e8s simplement avec la fonction select() de <em>dplyr<\/em>.<\/p>\n<p>Comme toutes les fonctions du tidyverse, le premier argument est l&rsquo;objet contenant le jeu de donn\u00e9es. Puis, il suffit d&rsquo;entrer le nom des colonnes \u00e0 conserver.<\/p>\n<pre><code>library(dplyr)\ndata(\"smiths\")\nselect(smiths, subject, age)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Votre jeu de donn\u00e9es est trop grand ? Vous avez trop de colonnes ? Vous pouvez en s\u00e9lectionner tr\u00e8s simplement avec la fonction select() de dplyr. Comme toutes les fonctions du tidyverse, le premier argument est l&rsquo;objet contenant le jeu de donn\u00e9es. Puis, il suffit d&rsquo;entrer le nom des colonnes \u00e0 conserver. library(dplyr) data(\u00ab\u00a0smiths\u00a0\u00bb) select(smiths, subject, age)<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/comment-selectionner-des-colonnes-dans-un-data-frame-select\/\">Read More &rarr;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"twitter_399453572_399453572":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12,22],"tags":[],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-colin","4":"post-3336","6":"format-standard","7":"category-manipulation-de-donnees","8":"category-tidyverse"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-RO","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/comments?post=3336"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3336\/revisions"}],"predecessor-version":[{"id":4322,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3336\/revisions\/4322"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=3336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=3336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=3336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}