{"id":891,"date":"2023-03-21T05:08:32","date_gmt":"2022-09-04T17:51:22","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/r%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e5%85%b1%e5%88%86%e6%95%a3%e3%81%a8%e7%9b%b8%e9%96%a2\/"},"modified":"2025-08-01T03:18:52","modified_gmt":"2025-07-31T18:18:52","slug":"r%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e5%85%b1%e5%88%86%e6%95%a3%e3%81%a8%e7%9b%b8%e9%96%a2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/r%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e5%85%b1%e5%88%86%e6%95%a3%e3%81%a8%e7%9b%b8%e9%96%a2\/","title":{"rendered":"R\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u5171\u5206\u6563\u3068\u76f8\u95a2"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u8aad\u8005\u306e\u7686\u3055\u3093\uff01\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001R\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u7d71\u8a08\u306e\u91cd\u8981\u306a2\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u5171\u5206\u6563\u3068\u76f8\u95a2\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u59cb\u3081\u307e\u3057\u3087\u3046\uff01\uff01 (Soredewa, hajimemashou!!)<\/p>\n<hr \/>\n<h2>R\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u5171\u5206\u6563<\/h2>\n<p>\u7d71\u8a08\u5b66\u306b\u304a\u3044\u3066\u3001\u5171\u5206\u6563\u306f\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e2\u3064\u306e\u5909\u6570\u9593\u306e\u95a2\u4fc2\u3092\u793a\u3059\u6307\u6a19\u3067\u3059\u3002\u3064\u307e\u308a\u30012\u3064\u306e\u5909\u6570\u304c\u3069\u306e\u3088\u3046\u306b\u95a2\u9023\u3057\u3066\u3044\u308b\u304b\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u30012\u3064\u306e\u5909\u6570\u304c\u5f37\u304f\u6b63\u306e\u76f8\u95a2\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u5909\u6570\u306f\u540c\u3058\u65b9\u5411\u306b\u9032\u307f\u307e\u3059\u3002<\/p>\n<p>\u5171\u5206\u6563\u306f\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u3084\u6a5f\u68b0\u5b66\u7fd2\u306e\u9818\u57df\u306b\u304a\u3051\u308b\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u524d\u51e6\u7406\u3067\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>R\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001cov()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30012\u3064\u306e\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u307e\u305f\u306f\u30d9\u30af\u30c8\u30eb\u9593\u306e\u5171\u5206\u6563\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n<p>\u82f1\u8a9e\u3092\u30da\u30e9\u30da\u30e9\u8a71\u305b\u308b\u4eba\u306f\uff0c\u901a\u8a33\u306e\u4ed5\u4e8b\u306b\u9069\u3057\u3066\u3044\u308b\u3002<br \/>\n\u4eba\u304c\u82f1\u8a9e\u3092\u6d41\u66a2\u306b\u8a71\u305b\u308b\u5834\u5408\uff0c\u305d\u308c\u306f\u901a\u8a33\u696d\u52d9\u306b\u5411\u3044\u3066\u3044\u308b\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306fcov\uff08\uff09\u95a2\u6570\u306b\u4ee5\u4e0b\u306e3\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>x \u2013 vector 1<\/li>\n<li>y \u2013 vector 2<\/li>\n<li>method \u2013 Any method to calculate the covariance such as Pearson, spearman. The default method is Pearson.<\/li>\n<\/ul>\n<pre class=\"post-pre\"><code>a <span class=\"token operator\">&lt;-<\/span> c<span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span> \r\n\r\nb <span class=\"token operator\">&lt;-<\/span> c<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">33<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> \r\n\r\nprint<span class=\"token punctuation\">(<\/span>cov<span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">,<\/span> method <span class=\"token operator\">=<\/span> <span class=\"token string\">\"spearman\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> \r\n\r\n<\/code><\/pre>\n<p>\u51fa\u529b:<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;<\/span> print<span class=\"token punctuation\">(<\/span>cov<span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">,<\/span> method <span class=\"token operator\">=<\/span> <span class=\"token string\">\"spearman\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> \r\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">1.25<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>R\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u76f8\u95a2<\/h2>\n<p>\u7d71\u8a08\u7684\u306a\u57fa\u6e96\u306b\u57fa\u3065\u3044\u3066\u76f8\u95a2\u95a2\u4fc2\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u306e\u52d5\u304d\u3092\u901a\u3058\u3066\u5909\u6570\u9593\u306e\u95a2\u4fc2\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u4e00\u65b9\u306e\u5909\u6570\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u4ed6\u306e\u5909\u6570\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u5206\u6790\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>2\u3064\u306e\u5909\u6570\u304c\u9ad8\u3044(\u6b63\u306e)\u76f8\u95a2\u95a2\u4fc2\u306b\u3042\u308b\u5834\u5408\u3001\u305d\u308c\u3089\u306e\u5909\u6570\u306f\u540c\u3058\u60c5\u5831\u3092\u793a\u3057\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u4ed6\u306e\u30c7\u30fc\u30bf\u5909\u6570\u306b\u5bfe\u3057\u3066\u540c\u3058\u52b9\u679c\u3092\u6301\u3064\u3068\u8a00\u3048\u308b\u3002<\/p>\n<p>R\u306ecor()\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3084\u30d9\u30af\u30c8\u30eb\u306e\u5909\u6570\u9593\u306e\u76f8\u95a2\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u300c\u79c1\u306f\u30d4\u30a2\u30ce\u304c\u5927\u597d\u304d\u3067\u3059\u3002\u300d<br \/>\nTranslation: \u300c\u79c1\u306f\u30d4\u30a2\u30ce\u304c\u5927\u597d\u304d\u3067\u3059\u3002\u300d<\/p>\n<pre class=\"post-pre\"><code>a <span class=\"token operator\">&lt;-<\/span> c<span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span> \r\n\r\nb <span class=\"token operator\">&lt;-<\/span> c<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">33<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> \r\n\r\ncorr <span class=\"token operator\">=<\/span> cor<span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span>b<span class=\"token punctuation\">)<\/span>\r\nprint<span class=\"token punctuation\">(<\/span>corr<span class=\"token punctuation\">)<\/span>\r\n\r\nprint<span class=\"token punctuation\">(<\/span>cor<span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">,<\/span> method <span class=\"token operator\">=<\/span> <span class=\"token string\">\"spearman\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> \r\n\r\n<\/code><\/pre>\n<p>\u51fa\u529b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;<\/span> print<span class=\"token punctuation\">(<\/span>corr<span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">0.3629504<\/span>\r\n\r\n<span class=\"token operator\">&gt;<\/span> print<span class=\"token punctuation\">(<\/span>cor<span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">,<\/span> method <span class=\"token operator\">=<\/span> <span class=\"token string\">\"spearman\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> \r\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">0.5<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>R\u3067\u306e\u5171\u5206\u6563\u304b\u3089\u76f8\u95a2\u3078\u306e\u5909\u63db<\/h2>\n<p>R\u306f\u3001\u5171\u5206\u6563\u5024\u3092\u76f8\u95a2\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306ecov2cor()\u95a2\u6570\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u5171\u5206\u6563\u884c\u5217\u3092\u76f8\u95a2\u884c\u5217\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u3053\u306e\u5834\u5408\u3001cov()\u306b\u6e21\u3055\u308c\u308b\u30d9\u30af\u30c8\u30eb\u307e\u305f\u306f\u5024\u306f\u6b63\u65b9\u884c\u5217\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff01<\/p>\n<p>&#8211; I want to eat sushi tonight.<br \/>\n&#8211; \u4eca\u6669\u3001\u5bff\u53f8\u3092\u98df\u3079\u305f\u3044\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001\u30d9\u30af\u30c8\u30eba\u3068b\u3092\u6301\u3061\u3001\u305d\u308c\u3089\u304c\u6b63\u65b9\u884c\u5217\u306e\u5168\u3066\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3068\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001cov2cor()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u5024\u306e\u5404\u30da\u30a2\u306b\u5bfe\u5fdc\u3059\u308b\u76f8\u95a2\u884c\u5217\u3092\u5f97\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>a <span class=\"token operator\">&lt;-<\/span> c<span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span> \r\n\r\nb <span class=\"token operator\">&lt;-<\/span> c<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">33<\/span><span class=\"token punctuation\">)<\/span> \r\n\r\ncovar <span class=\"token operator\">=<\/span> cov<span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span>b<span class=\"token punctuation\">)<\/span>\r\nprint<span class=\"token punctuation\">(<\/span>covar<span class=\"token punctuation\">)<\/span>\r\n\r\nres <span class=\"token operator\">=<\/span> cov2cor<span class=\"token punctuation\">(<\/span>covar<span class=\"token punctuation\">)<\/span>\r\nprint<span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">)<\/span>\r\n\r\n\r\n\r\n<\/code><\/pre>\n<p>\u51fa\u529b\u3059\u308b:<\/p>\n<pre class=\"post-pre\"><code><span class=\"token operator\">&gt;<\/span> covar <span class=\"token operator\">=<\/span> cov<span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span>b<span class=\"token punctuation\">)<\/span>\r\n<span class=\"token operator\">&gt;<\/span> print<span class=\"token punctuation\">(<\/span>covar<span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">29.33333<\/span>\r\n\r\n<span class=\"token operator\">&gt;<\/span> print<span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">)<\/span>\r\n     <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span>\r\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">6000<\/span>   <span class=\"token number\">21<\/span> <span class=\"token number\">1200<\/span>\r\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">]<\/span>    <span class=\"token number\">5<\/span>   <span class=\"token number\">32<\/span> <span class=\"token number\">2100<\/span>\r\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">]<\/span>   <span class=\"token number\">12<\/span>  <span class=\"token number\">500<\/span> <span class=\"token number\">3200<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u3053\u306e\u30c8\u30d4\u30c3\u30af\u306f\u7d42\u308f\u308a\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001R\u3067\u76f8\u95a2\u3068\u5171\u5206\u6563\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306e\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u5171\u5206\u6563\u5024\u3092\u76f8\u95a2\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306eR\u306e\u95a2\u6570\u3082\u898b\u307e\u3057\u305f\u3002<\/p>\n<p>\u3082\u3057\u8cea\u554f\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u3069\u3093\u3069\u3093\u30b3\u30e1\u30f3\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002R\u306b\u95a2\u3059\u308b\u4ed6\u306e\u6295\u7a3f\u3082\u304a\u697d\u3057\u307f\u306b\u3002<\/p>\n<p>\u305d\u308c\u307e\u3067\u3001\u5b66\u7fd2\u3092\u697d\u3057\u3093\u3067\u304f\u3060\u3055\u3044\uff01:)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u8aad\u8005\u306e\u7686\u3055\u3093\uff01\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001R\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u7d71\u8a08\u306e\u91cd\u8981\u306a2\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u5171\u5206\u6563\u3068\u76f8\u95a2\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002 \u305d\u308c\u3067\u306f\u3001\u59cb\u3081\u307e\u3057\u3087\u3046\uff01\uff01 (Soredewa, hajimemashou!!) 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