{"id":435,"date":"2011-11-04T14:37:45","date_gmt":"2011-11-04T13:37:45","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=435"},"modified":"2018-04-07T23:58:52","modified_gmt":"2018-04-07T22:58:52","slug":"comment-transromer-un-vecteur-de-class-factor-vers-la-class-numeric-dans-r","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/comment-transromer-un-vecteur-de-class-factor-vers-la-class-numeric-dans-r\/","title":{"rendered":"Comment transformer un vecteur de classe &quot;factor&quot; vers la classe &quot;numeric&quot; dans R ?"},"content":{"rendered":"<pre><code>MonVecteur=as.numeric(as.character(MonVecteur))<\/code><\/pre>\n<p>Cette commande permet de changer la classe de MonVector, reconnue comme \u00ab\u00a0factor\u00a0\u00bb par R mais cod\u00e9 \u00e0 l&rsquo;aide de chiffre, en classe \u00ab\u00a0numeric\u00a0\u00bb. Le passage par la classe \u00ab\u00a0character\u00a0\u00bb \u00e9vite les changements des dits chiffres de MonVecteur souvent observ\u00e9s lors de l&rsquo;utilisation de la fonction as.numeric().<\/p>\n<p>exemple:<\/p>\n<pre><code><br \/>vec&lt;-as.factor(c(\"3\",\"7\",\"11\",\"13\")) <br \/>vec<br \/>as.numeric(vec) #ne donne pas ce que l'on veut<br \/>as.numeric(as.character(vec)) # permet d'obtenir le r\u00e9sultat voulu.<br \/> <\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>MonVecteur=as.numeric(as.character(MonVecteur)) Cette commande permet de changer la classe de MonVector, reconnue comme \u00ab\u00a0factor\u00a0\u00bb par R mais cod\u00e9 \u00e0 l&rsquo;aide de chiffre, en classe \u00ab\u00a0numeric\u00a0\u00bb. Le passage par la classe \u00ab\u00a0character\u00a0\u00bb \u00e9vite les changements des dits chiffres de MonVecteur souvent observ\u00e9s lors de l&rsquo;utilisation de la fonction as.numeric(). exemple: vec&lt;-as.factor(c(\u00ab\u00a03&Prime;,\u00a0\u00bb7&Prime;,\u00a0\u00bb11&Prime;,\u00a0\u00bb13\u00a0\u00bb)) vecas.numeric(vec) #ne donne pas ce que l&rsquo;on veutas.numeric(as.character(vec)) # permet d&rsquo;obtenir le r\u00e9sultat voulu.<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/comment-transromer-un-vecteur-de-class-factor-vers-la-class-numeric-dans-r\/\">Read More &rarr;<\/a><\/p>\n","protected":false},"author":5,"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":[23],"tags":[25],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-benjamin","4":"post-435","6":"format-standard","7":"category-transformation-de-donnees","8":"post_tag-transformation-de-donnees"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-71","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/435","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/comments?post=435"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/435\/revisions"}],"predecessor-version":[{"id":4074,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/435\/revisions\/4074"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}