{"id":3388,"date":"2017-05-11T07:12:19","date_gmt":"2017-05-11T06:12:19","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=3388"},"modified":"2018-04-08T00:02:51","modified_gmt":"2018-04-07T23:02:51","slug":"comment-changer-lechelle-dun-axe-contenant-une-date-dans-ggplot2-scale_x_datebreak","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/comment-changer-lechelle-dun-axe-contenant-une-date-dans-ggplot2-scale_x_datebreak\/","title":{"rendered":"Comment changer l&#039;\u00e9chelle d&#039;un axe contenant une date dans ggplot2 ? scale_x_date(break)"},"content":{"rendered":"<p>Vous souhaitez ne garder que les mois, ou uniquement les ann\u00e9es sur votre ggplot ? Vous avez envie de changer le format des \u00e9tiquettes de l&rsquo;axe ? Pour cela, direction la fonction scale_x_date(), qui vous permettra de personnaliser votre axe comme vous le souhaitez !<\/p>\n<p>Dans la majorit\u00e9 des cas, vous serez amen\u00e9 \u00e0 utiliser\u00a0<strong>deux arguments principaux<\/strong>\u00a0sur <em>scale_x_date<\/em> (mais il faut savoir qu&rsquo;il en existe au total 9) :<\/p>\n<ul>\n<li>date_breaks, pour la dur\u00e9e entre chaque point principal de l&rsquo;axe<\/li>\n<li>date_label, pour d\u00e9finir le formatage de l&rsquo;affichage de la l\u00e9gende<\/li>\n<\/ul>\n<pre><code>library(tidyverse)\nlibrary(ggplot2)\nlibrary(nycflights13)\ndata %\n  unite(date, year, month, day, sep = \"-\") %&gt;%\n  mutate(date = lubridate::ymd(date)) %&gt;%\n  group_by(date) %&gt;%\n  summarise(count = n())\nggplot(data, aes(date, count)) +\n  geom_line() +\n  scale_x_date(date_breaks = \"2 months\", date_labels = \"%b\")<\/code><\/pre>\n<p>\u00c0 noter que <strong>cette fonction s&rsquo;adapte aux diff\u00e9rents formats de date de votre jeu de donn\u00e9es,<\/strong> ainsi qu&rsquo;\u00e0 l&rsquo;axe que vous souhaitez modifier \u2014 <em>scale_y_date<\/em>, <em>scale_x_datetime<\/em>, <em>scale_y_datetime<\/em>, <em>scale_x_time<\/em>, <em>scale_y_time<\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vous souhaitez ne garder que les mois, ou uniquement les ann\u00e9es sur votre ggplot ? Vous avez envie de changer le format des \u00e9tiquettes de l&rsquo;axe ? Pour cela, direction la fonction scale_x_date(), qui vous permettra de personnaliser votre axe comme vous le souhaitez ! Dans la majorit\u00e9 des cas, vous serez amen\u00e9 \u00e0 utiliser\u00a0deux arguments principaux\u00a0sur scale_x_date (mais il faut savoir qu&rsquo;il en existe au total 9) : date_breaks, pour la dur\u00e9e entre chaque point principal de l&rsquo;axe date_label, pour d\u00e9finir le formatage de l&rsquo;affichage de la l\u00e9gende library(tidyverse) library(ggplot2) library(nycflights13) data % unite(date, year, month, day, sep = \u00ab\u00a0-\u00ab\u00a0) %&gt;% mutate(date = lubridate::ymd(date))<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/comment-changer-lechelle-dun-axe-contenant-une-date-dans-ggplot2-scale_x_datebreak\/\">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":[9,22],"tags":[],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-colin","4":"post-3388","6":"format-standard","7":"category-graphique","8":"category-tidyverse"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-SE","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3388","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=3388"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3388\/revisions"}],"predecessor-version":[{"id":4327,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3388\/revisions\/4327"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=3388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=3388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=3388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}