{"url":"https://kaeken.hatenablog.com/entry/2019/02/17/144059","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkaeken.hatenablog.com%2Fentry%2F2019%2F02%2F17%2F144059\" title=\"R\u306b\u3088\u308b\u5206\u6563\u30fb\u6a19\u6e96\u504f\u5dee\u30fbZ\u5f97\u70b9\u30fb\u504f\u5dee\u5024\u306e\u7b97\u51fa - kaeken(\u5609\u6c38\u5cf6\u5065\u53f8)\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","published":"2019-02-17 14:40:59","provider_name":"Hatena Blog","description":"\u6982\u8981 R\u306b\u3088\u308b\u5206\u6563\u30fb\u6a19\u6e96\u504f\u5dee\u30fbZ\u5f97\u70b9\u30fb\u504f\u5dee\u5024\u306e\u7b97\u51fa\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u95a2\u6570 var(): \u4e0d\u504f\u5206\u6563 \u4e0d\u504f\u5206\u6563\u3092\u7b97\u51fa\u3059\u308b\u306b\u306f\u3001var()\u3092\u4f7f\u3044\u307e\u3059\u3002 x <- c(10, 13, 8, 15, 8) x # [1] 10 13 8 15 8 # \u4e0d\u504f\u5206\u6563 var(x) # [1] 9.7 sd(): \u6a19\u6e96\u504f\u5dee \u6a19\u6e96\u504f\u5dee\u3092\u7b97\u51fa\u3059\u308b\u306b\u306f\u3001sd() \u3092\u4f7f\u3044\u307e\u3059\u3002 \u3082\u3057\u304f\u306f\u3001sqrt(var(x)) \u3067\u5206\u6563\u306e\u5e73\u65b9\u6839\u3092\u3068\u308a\u307e\u3059\u3002 x <- c(10, 13, 8, 15, 8) x # [1] 10 13 8 15 8 # \u6a19\u6e96\u504f\u5dee(\u4e0d\u504f\u5206\u6563) > sd(x) [1] 3.114482 # OR > s\u2026","width":"100%","provider_url":"https://hatena.blog","image_url":null,"blog_url":"https://kaeken.hatenablog.com/","categories":["R","statistics"],"type":"rich","title":"R\u306b\u3088\u308b\u5206\u6563\u30fb\u6a19\u6e96\u504f\u5dee\u30fbZ\u5f97\u70b9\u30fb\u504f\u5dee\u5024\u306e\u7b97\u51fa","author_url":"https://blog.hatena.ne.jp/kaeken/","author_name":"kaeken","height":"190","blog_title":"kaeken(\u5609\u6c38\u5cf6\u5065\u53f8)\u30d6\u30ed\u30b0"}