{"id":3396,"date":"2017-05-12T08:58:25","date_gmt":"2017-05-12T07:58:25","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=3396"},"modified":"2018-04-08T00:02:54","modified_gmt":"2018-04-07T23:02:54","slug":"comment-selectionner-des-lignes-par-leur-index-slice","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/comment-selectionner-des-lignes-par-leur-index-slice\/","title":{"rendered":"Comment s\u00e9lectionner des lignes par leur index ? slice()"},"content":{"rendered":"<p>Pour<strong> s\u00e9lectionner une s\u00e9rie de lignes d&rsquo;un tableau par leur index<\/strong>, faites appel \u00e0 la fonction <em>slice()<\/em> du package <em>dplyr<\/em> !<\/p>\n<p>Comme tous ses cousins du tidyverse, <em>slice()<\/em> prend en premier argument le nom du tableau \u00e0 transformer. Ensuite, vous pouvez s\u00e9lectionner vos lignes par leur index, avec un vecteur num\u00e9rique.<\/p>\n<pre><code>library(dplyr)\ndata(\"presidential\")\nslice(presidential, 1:25)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Pour s\u00e9lectionner une s\u00e9rie de lignes d&rsquo;un tableau par leur index, faites appel \u00e0 la fonction slice() du package dplyr ! Comme tous ses cousins du tidyverse, slice() prend en premier argument le nom du tableau \u00e0 transformer. Ensuite, vous pouvez s\u00e9lectionner vos lignes par leur index, avec un vecteur num\u00e9rique. library(dplyr) data(\u00ab\u00a0presidential\u00a0\u00bb) slice(presidential, 1:25)<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/comment-selectionner-des-lignes-par-leur-index-slice\/\">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":[12,22],"tags":[],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-colin","4":"post-3396","6":"format-standard","7":"category-manipulation-de-donnees","8":"category-tidyverse"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-SM","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3396","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=3396"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3396\/revisions"}],"predecessor-version":[{"id":4329,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3396\/revisions\/4329"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=3396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=3396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=3396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}