{"type":"rich","author_url":"https://blog.hatena.ne.jp/annymsprsn/","blog_title":"\u3068\u3042\u308b\u4eba\u7269\u306e\u516c\u958b\u624b\u5e33","author_name":"annymsprsn","image_url":null,"categories":["tech","R"],"description":"\u524d\u56de\u304b\u3089\u304b\u306a\u308a\u65e5\u304c\u7d4c\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u3044\u304f\u3064\u304b\u6c17\u306b\u306a\u3063\u305f\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u3092\u66f8\u3044\u3066\u3044\u304d\u307e\u3059\u3002 TRUE\u306b\u306a\u3063\u3066\u3044\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8fd4\u3059\uff08which\uff09 \u30d9\u30af\u30c8\u30eb\u3092\u6e21\u3059\u3068\u3001TRUE\u3060\u3063\u305f\u8981\u7d20\u306eindex\u3092\u8fd4\u3057\u3066\u304d\u307e\u3059\u3002Java\u306eArrayList\u306eindexOf\u306b\u8fd1\u3044\u3067\u3059\u3002\u305f\u3060\u3057\u7d50\u679c\u3092\u8907\u6570\u8fd4\u3059\u3053\u3068\u3068\u3001index\u304c1\u30b9\u30bf\u30fc\u30c8\u306a\u3053\u3068\u306b\u6ce8\u610f\u3002 > x <- c( F, T,T,F,F,F,T) > x [1] FALSE TRUE TRUE FALSE FALSE FALSE TRUE > which(x) [1] 2 3 7 \u7b49\u5dee\u6570\u5217\u306e\u30d9\u30af\u30c8\u30eb\u3092\u8fd4\u3059\uff08seq\uff09 \u521d\u9805\u304cfrom, \u672b\u9805\u304cto, \u516c\u5dee\u304cstep\u2026","title":"R\u3092\u4f7f\u3063\u3066\u307f\u308b3","published":"2013-04-24 07:57:29","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fannymsprsn.hatenadiary.org%2Fentry%2F20130424%2F1366757849\" title=\"R\u3092\u4f7f\u3063\u3066\u307f\u308b3 - \u3068\u3042\u308b\u4eba\u7269\u306e\u516c\u958b\u624b\u5e33\" 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","url":"https://annymsprsn.hatenadiary.org/entry/20130424/1366757849","blog_url":"https://annymsprsn.hatenadiary.org/","provider_name":"Hatena Blog","version":"1.0","width":"100%","height":"190"}