{"id":3133,"date":"2015-07-15T07:51:24","date_gmt":"2015-07-15T06:51:24","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=3133"},"modified":"2018-04-08T00:02:04","modified_gmt":"2018-04-07T23:02:04","slug":"comment-separer-les-elements-dun-vecteur-en-plusieurs-colonnes-colsplit","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/comment-separer-les-elements-dun-vecteur-en-plusieurs-colonnes-colsplit\/","title":{"rendered":"Comment s\u00e9parer les \u00e9l\u00e9ments d&#039;un vecteur en plusieurs colonnes ? : colsplit"},"content":{"rendered":"<p>La fonction <b>colsplit()<\/b>, qui fait partie du package <b>reshape2<\/b>,<b> <\/b>permet de s\u00e9parer des \u00e9l\u00e9ments d&rsquo;un vecteur en plusieurs colonnes et de retourner un data.frame. Cela peut \u00eatre utile lorsqu\u2019on a une combinaison de deux variables associ\u00e9es et s\u00e9par\u00e9es par un espace, un \u00ab\u00a0&#8211; \u00bb ou encore un \u00ab\u00a0_\u00a0\u00bb.<\/p>\n<pre><code><br \/>Library(reshape2)\n\n\u00a0\n\nx &lt;- c(\"Jan-2001\", \"Fev-2001\", \"Mar-2002\", \"Dec-2005\")\n\nvars &lt;- colsplit(x, \"-\", c(\"Mois\", \"Annee\"))<br \/>#On s\u00e9pare les deux variables \"Mois\" et \"Ann\u00e9e\" contenues dans x et s\u00e9par\u00e9es par un \"-\"\u00a0\n\nvars\n\n\u00a0 Mois Annee\n\n1\u00a0 Jan\u00a0 2001\n\n2\u00a0 Fev\u00a0 2001\n\n3\u00a0 Mar\u00a0 2002\n\n4\u00a0 Dec\u00a0 2005\n\n\u00a0\n\nstr(vars)\n\n'data.frame':\u00a0\u00a0 4 obs. of\u00a0 2 variables:\n\n\u00a0$ Mois : chr\u00a0 \"Jan\" \"Fev\" \"Mar\" \"Dec\"\n\n\u00a0$ Annee: int\u00a0 2001 2001 2002 2005\n\n<\/code><\/pre>\n<p>\u00a0<\/p>\n<p>On obtient donc un data.frame compos\u00e9 d\u2019une colonne de caract\u00e8res et une colonne d\u2019entiers. Il est possible d\u2019utiliser la fonction <b>type.convert()<\/b> pour convertir un vecteur de caract\u00e8res en vecteur num\u00e9rique.<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La fonction colsplit(), qui fait partie du package reshape2, permet de s\u00e9parer des \u00e9l\u00e9ments d&rsquo;un vecteur en plusieurs colonnes et de retourner un data.frame. Cela peut \u00eatre utile lorsqu\u2019on a une combinaison de deux variables associ\u00e9es et s\u00e9par\u00e9es par un espace, un \u00ab\u00a0&#8211; \u00bb ou encore un \u00ab\u00a0_\u00a0\u00bb. Library(reshape2) \u00a0 x &lt;- c(\u00ab\u00a0Jan-2001\u00a0\u00bb, \u00ab\u00a0Fev-2001\u00a0\u00bb, \u00ab\u00a0Mar-2002\u00a0\u00bb, \u00ab\u00a0Dec-2005\u00a0\u00bb) vars &lt;- colsplit(x, \u00ab\u00a0-\u00ab\u00a0, c(\u00ab\u00a0Mois\u00a0\u00bb, \u00ab\u00a0Annee\u00a0\u00bb))#On s\u00e9pare les deux variables \u00ab\u00a0Mois\u00a0\u00bb et \u00ab\u00a0Ann\u00e9e\u00a0\u00bb contenues dans x et s\u00e9par\u00e9es par un \u00ab\u00a0&#8211;\u00a0\u00bb\u00a0 vars \u00a0 Mois Annee 1\u00a0 Jan\u00a0 2001 2\u00a0 Fev\u00a0 2001 3\u00a0 Mar\u00a0 2002 4\u00a0 Dec\u00a0 2005 \u00a0 str(vars) &lsquo;data.frame&rsquo;:\u00a0\u00a0 4 obs. of\u00a0 2 variables: \u00a0$ Mois : chr\u00a0<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/comment-separer-les-elements-dun-vecteur-en-plusieurs-colonnes-colsplit\/\">Read More &rarr;<\/a><\/p>\n","protected":false},"author":13,"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":[8,12,23],"tags":[],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-helene","4":"post-3133","6":"format-standard","7":"category-fonctions-utiles","8":"category-manipulation-de-donnees","9":"category-transformation-de-donnees"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-Ox","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3133","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\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/comments?post=3133"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3133\/revisions"}],"predecessor-version":[{"id":4279,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3133\/revisions\/4279"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=3133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=3133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=3133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}