{"id":3349,"date":"2017-05-05T09:15:57","date_gmt":"2017-05-05T08:15:57","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=3349"},"modified":"2018-04-08T00:02:41","modified_gmt":"2018-04-07T23:02:41","slug":"comment-creer-une-nouvelle-colonne-dans-un-data-frame-mutate","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/comment-creer-une-nouvelle-colonne-dans-un-data-frame-mutate\/","title":{"rendered":"Comment cr\u00e9er une nouvelle colonne dans un data.frame ? mutate()"},"content":{"rendered":"<p>Pour ajouter une colonne, direction la fonction <em>mutate<\/em>. Avec celle-ci, vous pouvez ins\u00e9rer un objet externe au tableau (par exemple une liste), ou le r\u00e9sultat de l&rsquo;op\u00e9ration sur une ou plusieurs colonnes.<\/p>\n<pre><code>data(\"faithfuld\")\nlibrary(dplyr)\nmutate(faithful, index= 1:nrow(faithful), er.wa = eruptions \/ waiting)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Pour ajouter une colonne, direction la fonction mutate. Avec celle-ci, vous pouvez ins\u00e9rer un objet externe au tableau (par exemple une liste), ou le r\u00e9sultat de l&rsquo;op\u00e9ration sur une ou plusieurs colonnes. data(\u00ab\u00a0faithfuld\u00a0\u00bb) library(dplyr) mutate(faithful, index= 1:nrow(faithful), er.wa = eruptions \/ waiting)<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/comment-creer-une-nouvelle-colonne-dans-un-data-frame-mutate\/\">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":[22,23],"tags":[],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-colin","4":"post-3349","6":"format-standard","7":"category-tidyverse","8":"category-transformation-de-donnees"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-S1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3349","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=3349"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3349\/revisions"}],"predecessor-version":[{"id":4317,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3349\/revisions\/4317"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=3349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=3349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=3349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}