{"description":"R\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3067lubridate\u3068\u3044\u3046\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3001\u65e5\u4ed8\u3084\u65e5\u6642\u3092\u30d1\u30fc\u30b9\u3059\u308b\u306e\u306b\u975e\u5e38\u306b\u4fbf\u5229\u3060\u3063\u305f\u3002 > test_date <- as.Date('2019-02-08') #date\u30c7\u30fc\u30bf\u306e\u4f5c\u6210 > year(test_date) #\u5e74\u306e\u307f\u30d1\u30fc\u30b9 [1] 2019 > day(test_date) #\u65e5\u306e\u307f\u30d1\u30fc\u30b9 [1] 8 > floor_date(test_date,\"year\") #\u5e74\u306f\u3058\u3081\u306b\u5909\u63db\uff08\u5207\u308a\u6368\u3066\uff09 [1] \"2019-01-01\" > floor_date(test_date,\"week\") #\u9031\u306f\u3058\u3081\u306b\u5909\u63db\uff08\u5207\u308a\u6368\u3066) [1] \"2019-02-03\" \u4ed6\u306b\u3082\u3001\u65e5\u4ed8\u306e\u8a08\u7b97\u2026","width":"100%","version":"1.0","title":"\u65e5\u4ed8\u3092\u52a0\u5de5\u3059\u308b\u306e\u306b\u4fbf\u5229\u306a\u30d1\u30c3\u30b1\u30fc\u30b8lubridate","url":"https://knknkn.hatenablog.com/entry/2019/02/08/194157","height":"190","type":"rich","author_url":"https://blog.hatena.ne.jp/chito_ng/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fknknkn.hatenablog.com%2Fentry%2F2019%2F02%2F08%2F194157\" title=\"\u65e5\u4ed8\u3092\u52a0\u5de5\u3059\u308b\u306e\u306b\u4fbf\u5229\u306a\u30d1\u30c3\u30b1\u30fc\u30b8lubridate - \u307e\u305a\u306f\u874b\u306e\u7ffc\u304b\u3089\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","categories":["R","\u4f7f\u3044\u65b9\u30e1\u30e2(\u30e9\u30a4\u30d6\u30e9\u30ea)"],"blog_url":"https://knknkn.hatenablog.com/","blog_title":"\u307e\u305a\u306f\u874b\u306e\u7ffc\u304b\u3089\u3002","image_url":null,"author_name":"chito_ng","published":"2019-02-08 19:41:57","provider_name":"Hatena Blog"}