{"categories":["R","\u884c\u5217"],"version":"1.0","width":"100%","published":"2010-11-06 02:49:27","type":"rich","provider_url":"https://hatena.blog","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryamada.hatenadiary.jp%2Fentry%2F20101106%2F1288806567\" title=\"\u884c\u5217\u306e\u6dfb\u3048\u5b57\u64cd\u4f5c - ryamada\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fb\u6570\u5b66\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"provider_name":"Hatena Blog","url":"https://ryamada.hatenadiary.jp/entry/20101106/1288806567","blog_title":"ryamada\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fb\u6570\u5b66\u30e1\u30e2","description":"\u3053\u3061\u3089\u304b\u3089 \u3053\u3053\u304b\u3089\u3001\u3053\u3046\u305f\u3069\u3063\u3066\u3001\u884c\u304d\u3064\u304f\u300c\u884c\u5217\u306e\u6271\u3044\u300d\u3053\u3053\u306b\u30ea\u30f3\u30af\u3092\u5f35\u3063\u3066\u304a\u3044\u3066\u3001\u691c\u7d22\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f \u884c\u5217\u306e\u6dfb\u3048\u5b57\u3092\u53d6\u308a\u51fa\u3059\u95a2\u6570which() \u3053\u3061\u3089\u306e\u8a18\u4e8b \u6761\u4ef6\u3092\u6e80\u8db3\u3059\u308b\u8981\u7d20\u306e\u6dfb\u3048\u5b57\u3092\u53d6\u308a\u51fa\u3059 \u30d9\u30af\u30c8\u30eb\u5f62\u5f0f\u3067\u53d6\u308a\u51fa\u3059\u304b\u3001\u884c\u5217\u5f62\u5f0f\u3067\u53d6\u308a\u51fa\u3059\u304b\u306f arr.ind=FALSE,arr.ind=TRUE\u3067\u9078\u3076 \u3059\u3079\u3066\u306e\u8981\u7d20\u304c\u6e80\u8db3\u3059\u308b\u6761\u4ef6\u3092\u4e0e\u3048\u3066\u3084\u308c\u3070\u3088\u3044 A<-matrix(1:12,3,4) A cbind(which(A<=max(A),arr.ind=TRUE),c(A))> A<-matrix(1:12,3,4) > A [,1] [,2] [,3] [,4] [1,] 1 4 7\u2026","author_name":"ryamada","author_url":"https://blog.hatena.ne.jp/ryamada/","title":"\u884c\u5217\u306e\u6dfb\u3048\u5b57\u64cd\u4f5c","blog_url":"https://ryamada.hatenadiary.jp/"}