{"id":3249,"date":"2016-04-19T08:33:18","date_gmt":"2016-04-19T07:33:18","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=3249"},"modified":"2018-04-08T00:02:30","modified_gmt":"2018-04-07T23:02:30","slug":"comment-fabriquer-une-formule-a-partir-dune-chaine-de-caracteres-as-formula","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/comment-fabriquer-une-formule-a-partir-dune-chaine-de-caracteres-as-formula\/","title":{"rendered":"Comment fabriquer une formule \u00e0 partir d\u2019une chaine de caract\u00e8res? : as.formula()"},"content":{"rendered":"<p>la fonction <strong>as.formula <\/strong>permet de fabriquer une formule \u00e0 partir d &lsquo;une chaine de caract\u00e8res<\/p>\n<pre><code>data(iris)\n\nchaine&lt;-paste0(names(iris)[1],\n\n\" ~ \",paste(names(iris)[-1],collapse=\" + \"))\n\nas.formula(chaine)\n\n<p>lm(as.formula(chaine),data=iris)<\/p><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>la fonction as.formula permet de fabriquer une formule \u00e0 partir d &lsquo;une chaine de caract\u00e8res data(iris) chaine&lt;-paste0(names(iris)[1], \u00a0\u00bb ~ \u00ab\u00a0,paste(names(iris)[-1],collapse=\u00a0\u00bb + \u00ab\u00a0)) as.formula(chaine) lm(as.formula(chaine),data=iris)<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/comment-fabriquer-une-formule-a-partir-dune-chaine-de-caracteres-as-formula\/\">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-3249","6":"format-standard","7":"category-fonctions-utiles"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-Qp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3249","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=3249"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3249\/revisions"}],"predecessor-version":[{"id":4306,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3249\/revisions\/4306"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=3249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=3249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=3249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}