{"id":3254,"date":"2016-05-17T10:53:22","date_gmt":"2016-05-17T09:53:22","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=3254"},"modified":"2018-04-08T00:02:31","modified_gmt":"2018-04-07T23:02:31","slug":"initialiser-un-dataframe-vide-avec-des-noms-de-colonne","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/initialiser-un-dataframe-vide-avec-des-noms-de-colonne\/","title":{"rendered":"initialiser un dataframe vide avec des noms de colonne"},"content":{"rendered":"<p>Parfois il peut etre utilise de fabriquer un data.frame vide, sans aucune ligne, mais avec des colonnes d\u00e9finies. Voici une facon de proc\u00e9der.<\/p>\n<pre><code><br \/><br \/><p>BDD &lt;- as.data.frame(setNames(replicate(5,numeric(0), simplify = F),c(\"moy\",\"p\",\"val\",\"r2\",\"err\") ))<\/p><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Parfois il peut etre utilise de fabriquer un data.frame vide, sans aucune ligne, mais avec des colonnes d\u00e9finies. Voici une facon de proc\u00e9der. BDD &lt;- as.data.frame(setNames(replicate(5,numeric(0), simplify = F),c(\u00ab\u00a0moy\u00a0\u00bb,\u00a0\u00bbp\u00a0\u00bb,\u00a0\u00bbval\u00a0\u00bb,\u00a0\u00bbr2&Prime;,\u00a0\u00bberr\u00a0\u00bb) ))<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/initialiser-un-dataframe-vide-avec-des-noms-de-colonne\/\">Read More &rarr;<\/a><\/p>\n","protected":false},"author":2,"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],"tags":[],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-vincent","4":"post-3254","6":"format-standard","7":"category-fonctions-utiles"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-Qu","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3254","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/comments?post=3254"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3254\/revisions"}],"predecessor-version":[{"id":4307,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3254\/revisions\/4307"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=3254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=3254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=3254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}