{"id":3151,"date":"2015-07-17T07:56:22","date_gmt":"2015-07-17T06:56:22","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=3151"},"modified":"2018-04-08T00:02:10","modified_gmt":"2018-04-07T23:02:10","slug":"comment-creer-une-donnee-de-type-date-a-partir-dune-date-ou-dun-nombre-de-secondes-ecoulees-depuis-un-temps-t-as-posixct","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/comment-creer-une-donnee-de-type-date-a-partir-dune-date-ou-dun-nombre-de-secondes-ecoulees-depuis-un-temps-t-as-posixct\/","title":{"rendered":"Comment cr\u00e9er une donn\u00e9e de type date \u00e0 partir d\u2019une date ou d\u2019un nombre de secondes \u00e9coul\u00e9es depuis un temps t ? as.POSIXct"},"content":{"rendered":"<p>La fonction <b>as.POSIXct()<\/b>, permet de cr\u00e9er une donn\u00e9e de type \u00ab\u00a0date\u00a0\u00bb comprenant une ann\u00e9e, un mois, un jour, et une heure, \u00e0 partir d\u2019un nombre de secondes \u00e9coul\u00e9es et une date d\u2019origine ou en ins\u00e9rant directement la date et l\u2019heure\u00a0:<\/p>\n<pre><code><br \/>#Nous avons un nombre de secondes \u00e9coul\u00e9es depuis le 1960-01-01 00:00:00\n\nz &lt;- 1472562988\n\n# On convertie z en date :\n\nas.POSIXct(z, origin = \"1960-01-01\")\n\n[1] \"2006-08-30 15:16:28 CEST\"\n\n\u00a0\n\n#Nous pouvons \u00e9galement ins\u00e9rer directement une date\n\n#de type\u00a0: \u00ab\u00a0AAAA-MM-JJ HH:Min:sec\u00a0\u00bb\n\nx &lt;- as.POSIXct(\"2009-08-03 12:01:57.23\")\n\nx\n\n[1] \"2009-08-03 12:01:57 CEST\"<br \/> <\/code><\/pre>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La fonction as.POSIXct(), permet de cr\u00e9er une donn\u00e9e de type \u00ab\u00a0date\u00a0\u00bb comprenant une ann\u00e9e, un mois, un jour, et une heure, \u00e0 partir d\u2019un nombre de secondes \u00e9coul\u00e9es et une date d\u2019origine ou en ins\u00e9rant directement la date et l\u2019heure\u00a0: #Nous avons un nombre de secondes \u00e9coul\u00e9es depuis le 1960-01-01 00:00:00 z &lt;- 1472562988 # On convertie z en date : as.POSIXct(z, origin = \u00ab\u00a01960-01-01\u00a0\u00bb) [1] \u00ab\u00a02006-08-30 15:16:28 CEST\u00a0\u00bb \u00a0 #Nous pouvons \u00e9galement ins\u00e9rer directement une date #de type\u00a0: \u00ab\u00a0AAAA-MM-JJ HH:Min:sec\u00a0\u00bb x &lt;- as.POSIXct(\u00ab\u00a02009-08-03 12:01:57.23\u00a0\u00bb) x [1] \u00ab\u00a02009-08-03 12:01:57 CEST\u00a0\u00bb \u00a0<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/comment-creer-une-donnee-de-type-date-a-partir-dune-date-ou-dun-nombre-de-secondes-ecoulees-depuis-un-temps-t-as-posixct\/\">Read More &rarr;<\/a><\/p>\n","protected":false},"author":13,"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-helene","4":"post-3151","6":"format-standard","7":"category-fonctions-utiles"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-OP","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3151","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\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/comments?post=3151"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3151\/revisions"}],"predecessor-version":[{"id":4285,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3151\/revisions\/4285"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=3151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=3151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=3151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}