{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.yasuhisay.info%2Fentry%2F20090220%2F1235056718\" title=\"R\u306b\u304a\u3051\u308bLazy Evaluation - yasuhisa&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","url":"https://www.yasuhisay.info/entry/20090220/1235056718","description":"Logger\u306e\u5f15\u6570\u306bR\u306e\u5f0f\u305d\u306e\u307e\u307e\u66f8\u3051\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u306a\u3042\u3068\u601d\u3063\u305f\u3002\u305d\u3046\u3044\u3046\u306e\u3063\u3066\u4ed6\u306b\u3069\u3046\u3044\u3046\u95a2\u6570\u304c\u3042\u3063\u305f\u304b\u306a\u3042\u3068\u601d\u3063\u305f\u3089system.time\u304c\u307e\u3055\u306b\u305d\u3093\u306a\u611f\u3058\u3002\u95a2\u6570\u306e\u5b9a\u7fa9\u3092\u8aad\u3080\u3002 system.time <- function(expr, gcFirst = TRUE) { ppt <- function(y) { if(!is.na(y[4])) y[1] <- y[1] + y[4] if(!is.na(y[5])) y[2] <- y[2] + y[5] y[1:3] } if(!exists(\"proc.time\")) return(rep(NA_real_, 5)) if(gcFi\u2026","categories":["R"],"provider_url":"https://hatena.blog","blog_url":"https://www.yasuhisay.info/","author_name":"syou6162","blog_title":"yasuhisa's blog","version":"1.0","title":"R\u306b\u304a\u3051\u308bLazy Evaluation","provider_name":"Hatena Blog","published":"2009-02-20 00:18:38","author_url":"https://blog.hatena.ne.jp/syou6162/","height":"190","width":"100%","image_url":null}