{"id":1031,"date":"2011-12-13T06:40:20","date_gmt":"2011-12-13T05:40:20","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=1031"},"modified":"2018-04-08T00:00:29","modified_gmt":"2018-04-07T23:00:29","slug":"passer-des-parametres-par-defaut-a-une-fonction","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/passer-des-parametres-par-defaut-a-une-fonction\/","title":{"rendered":"Comment passer des param\u00e8tres par d\u00e9faut \u00e0 une fonction dans R?"},"content":{"rendered":"<p>Pour \u00e9viter de se tromper dans l&rsquo;ordre o\u00f9 les param\u00e8tres sont pass\u00e9s \u00e0 une fonction, il vaut mieux les nommer. Ainsi l&rsquo;ordre n&rsquo;importera pas. Cela permet en plus de passer une valeur par d\u00e9faut.<\/p>\n<p><\/p>\n<pre><code><br \/><br \/>essai&lt;-function(par1=3, par2=20) {<br \/>print(par1)<br \/>print(par2)<br \/>}<br \/><br \/>essai()<br \/><br \/>#[1] 3<br \/>#[1] 20<br \/><br \/>essai(1,2)<br \/><br \/>#[1] 1<br \/>#[1] 2<br \/><br \/>essai(par1=1)<br \/><br \/>#[1] 1<br \/>#[1] 20<br \/><br \/>essai(par2=10)<br \/><br \/>#[1] 3<br \/>#[1] 10<br \/><br \/>essai(par2=10, par1=4)<br \/><br \/>#[1] 4<br \/>#[1] 10<br \/><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Pour \u00e9viter de se tromper dans l&rsquo;ordre o\u00f9 les param\u00e8tres sont pass\u00e9s \u00e0 une fonction, il vaut mieux les nommer. Ainsi l&rsquo;ordre n&rsquo;importera pas. Cela permet en plus de passer une valeur par d\u00e9faut. essai&lt;-function(par1=3, par2=20) {print(par1)print(par2)}essai()#[1] 3#[1] 20essai(1,2)#[1] 1#[1] 2essai(par1=1)#[1] 1#[1] 20essai(par2=10)#[1] 3#[1] 10essai(par2=10, par1=4)#[1] 4#[1] 10<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/passer-des-parametres-par-defaut-a-une-fonction\/\">Read More &rarr;<\/a><\/p>\n","protected":false},"author":10,"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":[4,18],"tags":[],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-marc","4":"post-1031","6":"format-standard","7":"category-base-indispensable","8":"category-programmer-avec-r"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-gD","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/1031","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\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/comments?post=1031"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/1031\/revisions"}],"predecessor-version":[{"id":4190,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/1031\/revisions\/4190"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=1031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=1031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=1031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}