{"id":9479,"date":"2017-04-12T18:45:53","date_gmt":"2017-04-12T09:45:53","guid":{"rendered":"http:\/\/sitest.jp\/blog\/?p=9479"},"modified":"2022-05-06T18:51:23","modified_gmt":"2022-05-06T09:51:23","slug":"r%e8%a8%80%e8%aa%9e%e3%81%a7%e3%83%87%e3%83%bc%e3%82%bf%e8%a7%a3%e6%9e%90%e3%82%92%e3%81%97%e3%82%88%e3%81%86%ef%bc%81%e5%8d%98%e5%9b%9e%e5%b8%b0%e5%88%86%e6%9e%90%e7%b7%a8","status":"publish","type":"post","link":"https:\/\/sitest.jp\/blog\/?p=9479","title":{"rendered":"R\u8a00\u8a9e\u3067\u30c7\u30fc\u30bf\u89e3\u6790\u3092\u3057\u3088\u3046\uff01\u5358\u56de\u5e30\u5206\u6790\u7de8"},"content":{"rendered":"<p>R\u8a00\u8a9e\u306fRStudio\uff08\u5c02\u7528\u306eIDE\uff09\u3084\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u7528\u610f\u3057\u3066\u304f\u308c\u3066\u3044\u308b\u306a\u3069\u3001\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u89e6\u308a\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001\u3053\u306eRStudio\u3068\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\uff08\u8eca\u306e\u30b9\u30d4\u30fc\u30c9\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf\uff09\u3092\u4f7f\u3063\u3066\u3001\u6700\u3082\u5358\u7d14\u306a\u56de\u5e30\u5206\u6790\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n<!--more--><\/p>\n<div class=\"frame_headding\">\n<h3 style=\"text-align: left;\">\u5358\u56de\u5e30\u5206\u6790\u3068\u306f\uff1f<\/h3>\n<\/div>\n<p>\u56de\u5e30\u5206\u6790\u306b\u306f\u3001\u5358\u56de\u5e30\u5206\u6790\u3001\u91cd\u56de\u5e30\u5206\u6790\u3001\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u5206\u6790,&#8230;<br \/>\n\u306a\u3069\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u4e2d\u3067\u3001\u5358\u56de\u5e30\u5206\u6790\u306f\u3001\u6700\u3082\u57fa\u790e\u7684\u306a\u56de\u5e30\u5206\u6790\u3067\u3059\u3002<\/p>\n<p>\u5358\u56de\u5e30\u3068\u306f\u3001\uff11\u3064\u306e\u76ee\u7684\u5909\u6570\u3092\u3001\uff11\u3064\u306e\u8aac\u660e\u5909\u6570\u3067\u4e88\u6e2c\u3067\u304d\u308b\u30e2\u30c7\u30eb\u306e\u3053\u3068\u3067\u3059\u3002<br \/>\n\u6570\u5f0f\u3067\u8868\u3059\u3068\u30012\u5909\u91cf\u306e\u95a2\u4fc2\u3092 Y = aX + b \u3068\u3044\u3046\u5f0f\u3067\u8868\u305b\u307e\u3059\u3002<br \/>\nX\u304c\u8aac\u660e\u5909\u6570\u3067\u3001Y\u304c\u76ee\u7684\u5909\u6570\u3067\u3059\u3002<\/p>\n<p>\u8aac\u660e\u5909\u6570\u304c\u8907\u6570\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u3001\u91cd\u56de\u5e30\u3068\u8a00\u308f\u308c\u307e\u3059\u3002<\/p>\n<div class=\"frame_headding\">\n<h3 style=\"text-align: left;\">\u4eca\u56de\u4f7f\u3046\u30c7\u30fc\u30bf\u3092\u30d7\u30ed\u30c3\u30c8\u3057\u3066\u307f\u308b<\/h3>\n<\/div>\n<p>\u3067\u306f\u3001\u4eca\u56de\u4f7f\u7528\u3059\u308b\u30c7\u30fc\u30bf\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<br \/>\n\u300ccars\u300d\u3068\u3044\u3046\u3001\u5143\u3005R\u8a00\u8a9e\u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u8eca\u306e\u30b9\u30d4\u30fc\u30c9\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<br \/>\n\u3053\u306e\u30c7\u30fc\u30bf\u306f2\u5909\u91cf\u3067\u3001\u300c\u8eca\u306e\u30b9\u30d4\u30fc\u30c9[mph]\u3068\u3001\u505c\u8eca\u3059\u308b\u307e\u3067\u306b\u5fc5\u8981\u306a\u8ddd\u96e2[ft]\u306e\u95a2\u4fc2\u300d\u306e\u30c7\u30fc\u30bf\u3067\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306b\u3001mph\u306f\u300cmiles per hour\u300d\u306e\u7565\u3067\u30de\u30a4\u30eb\u6bce\u6642\u3001ft\u306f\u30d5\u30a3\u30fc\u30c8\u3067\u3059\u3002<\/p>\n<p>RStudio\u306e\u74b0\u5883\u69cb\u7bc9\u306f<a href=\"http:\/\/sitest.jp\/blog\/?p=8950\" target=\"_blank\" rel=\"noopener noreferrer\">\u3053\u3061\u3089<\/a>\u3092\u5fa1\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>plot\u95a2\u6570\u3092\u4f7f\u3063\u3066\u3001cars\u306e\u30c7\u30fc\u30bf\u3092\u30d7\u30ed\u30c3\u30c8\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre><code>> plot(cars, main = \"cars\")<\/code><\/pre>\n<p><img loading=\"lazy\" src=\"https:\/\/storage.googleapis.com\/sitest-wp\/blog\/wp-content\/uploads\/2017\/04\/30d190f555905ac8697874681a5b22c4-1.png\" alt=\"\" width=\"432\" height=\"365\" class=\"aligncenter size-full wp-image-9496\" \/><\/p>\n<p>\u306a\u304a\u3001\u30b0\u30e9\u30d5\u306e\u63cf\u753b\u306e\u4ed5\u65b9\u306f\u3001<a href=\"http:\/\/sitest.jp\/blog\/?p=9221\" target=\"_blank\" rel=\"noopener noreferrer\">\u3053\u3061\u3089<\/a>\u306b\u8a18\u4e8b\u304c\u3054\u3056\u3044\u307e\u3059\u3002<\/p>\n<div class=\"frame_headding\">\n<h3 style=\"text-align: left;\">\u76f8\u95a2\u304c\u3042\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/h3>\n<\/div>\n<p>\u30d7\u30ed\u30c3\u30c8\u3057\u305f\u30c7\u30fc\u30bf\u3092\u898b\u308b\u3068\u76f8\u95a2\u304c\u3042\u308a\u305d\u3046\u3067\u3059\u304c\u3001\u672c\u5f53\u306b\u76f8\u95a2\u304c\u3042\u308b\u306e\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u3068\u3044\u3046\u306e\u3082\u3001\u7121\u76f8\u95a2\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u3067\u3082\u3001\u56de\u5e30\u5f0f\u306f\u7b97\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\ncor\u95a2\u6570\uff08correlation coefficient\uff09\u3067\u76f8\u95a2\u4fc2\u6570\u3092\u6c42\u3081\u308b\u3053\u3068\u3067\u3001\u56de\u5e30\u5f0f\u3092\u6c42\u3081\u308b\u610f\u5473\u304c\u3042\u308b\u304b\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"r hljs php\">> cor(cars$speed, cars$dist)\r\n[1] 0.8068949\r\n<\/code><\/pre>\n<p>\u3053\u306e\u5024\u306f-1\u301c1\u306e\u9593\u306e\u6570\u5024\u306b\u306a\u308a\u30011\u306b\u8fd1\u3044\u307b\u3046\u304c\u6b63\u306e\u76f8\u95a2\u3001-1\u306b\u8fd1\u3044\u307b\u3046\u304c\u8ca0\u306e\u76f8\u95a2\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u4eca\u56de\u306e\u7d50\u679c\u3067\u306f1\u306b\u8fd1\u3044\u305f\u3081\u3001\u6b63\u306e\u76f8\u95a2\u304c\u3042\u308b\u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<div class=\"frame_headding\">\n<h3 style=\"text-align: left;\">\u56de\u5e30\u5206\u6790\u3092\u3084\u3063\u3066\u307f\u308b<\/h3>\n<\/div>\n<p>\u3067\u306f\u3001\u56de\u5e30\u5206\u6790\u3092\u3084\u308b\u610f\u5473\u304c\u3042\u308b\u3068\u308f\u304b\u3063\u305f\u306e\u3067\u3001\u5b9f\u969b\u306b\u56de\u5e30\u5206\u6790\u3092\u884c\u3044\u307e\u3059\u3002<br \/>\n\u3068\u3044\u3063\u3066\u3082\u3001R\u8a00\u8a9e\u3067\u3084\u308b\u3053\u3068\u306f\u3068\u3066\u3082\u7c21\u5358\u3067\u3059\u3002<br \/>\nlm\u95a2\u6570\uff08linear model\uff09\u3092\u4f7f\u3063\u3066\u4ee5\u4e0b\u306e\u5f0f\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"r hljs php\">> result <- lm(dist~speed , data=cars)\r\n> summary(result)\r\n<\/code><\/pre>\n<p>\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u7d50\u679c\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" src=\"https:\/\/storage.googleapis.com\/sitest-wp\/blog\/wp-content\/uploads\/2017\/04\/0f086eaadcde08e89ad2406d02651df9.png\" alt=\"\" width=\"465\" height=\"296\" class=\"aligncenter size-full wp-image-9506\" \/><\/p>\n<p>\u51fa\u529b\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u82f1\u8a9e\u5358\u8a9e\u306e\u610f\u5473\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>Residuals \uff1a \u6b8b\u5dee\uff08\u4e88\u6e2c\u5024\u3068\u89b3\u6e2c\u5024\u306e\u5dee\uff09<\/li>\n<li>Median \uff1a \u4e2d\u592e\u5024<\/li>\n<li>Coefficients \uff1a \u4fc2\u6570\uff08a\u3068\u304bb\u306e\u3053\u3068\uff09<\/li>\n<li>Estimate \uff1a \u63a8\u5b9a\u5024\uff08a\u3068\u304bb\u306e\u63a8\u5b9a\u5024\u306e\u3053\u3068\uff09<\/li>\n<li>Std.Error\uff08Standard Error\uff09 \uff1a \u6a19\u6e96\u8aa4\u5dee<\/li>\n<li>t value \uff1a t\u5024<\/li>\n<li>Pr(>|t|) \uff1a p\u5024<\/li>\n<li>Intercept \uff1a \u5207\u7247<\/li>\n<li>Signif. codes \uff1a \u6709\u610f\u6027<\/li>\n<li>Residual standard error \uff1a \u6b8b\u5dee\u306e\u6a19\u6e96\u8aa4\u5dee<\/li>\n<li>degrees of freedom \uff1a \u81ea\u7531\u5ea6<\/li>\n<li>Multiple R-squared \uff1a \u6c7a\u5b9a\u4fc2\u6570<\/li>\n<li>Adjusted R-squared \uff1a \u81ea\u7531\u5ea6\u4fee\u6b63\u6e08\u307f\u6c7a\u5b9a\u4fc2\u6570<\/li>\n<li>F-statistic \uff1a F\u691c\u5b9a<\/li>\n<\/ul>\n<p>\u7d50\u679c\u7684\u306b\u3001\u4ee5\u4e0b\u306e\u56de\u5e30\u5f0f\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<pre><code>y = 3.9324x - 17.5791<\/code><\/pre>\n<p>\u3067\u306f\u3001\u3053\u306e\u56de\u5e30\u5f0f\u3092\u30d7\u30ed\u30c3\u30c8\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\ncars\u306e\u30c7\u30fc\u30bf\u306b\u91cd\u306d\u3066\u3001\u7dda\u3092\u63cf\u753b\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"r hljs php\">> plot(cars)\r\n> abline(result, lwd=1, col=\"red\")\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" src=\"https:\/\/storage.googleapis.com\/sitest-wp\/blog\/wp-content\/uploads\/2017\/04\/0c5ca393eba10a9f52b4105823e5425c.png\" alt=\"\" width=\"430\" height=\"330\" class=\"aligncenter size-full wp-image-9507\" \/><\/p>\n<div class=\"frame_headding\">\n<h3 style=\"text-align: left;\">\u307e\u3068\u3081<\/h3>\n<\/div>\n<p>RStudio\u3092\u4f7f\u3063\u3066\u3001\u5358\u56de\u5e30\u5206\u6790\u3092\u884c\u3044\u3001\u30c7\u30fc\u30bf\u306e\u30d7\u30ed\u30c3\u30c8\u3068\u56de\u5e30\u5f0f\u306e\u63cf\u753b\u3092\u884c\u3044\u307e\u3057\u305f\u3002<br \/>\nR\u8a00\u8a9e\u3092\u4f7f\u3063\u3066\u307f\u308b\u3053\u3068\u306b\u4e3b\u773c\u3092\u7f6e\u3044\u3066\u3044\u308b\u305f\u3081\u3001\u56de\u5e30\u5206\u6790\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u7701\u3044\u3066\u3044\u307e\u3059\u304c\u3001<br \/>\n\u4ee5\u5916\u306b\u7c21\u5358\u306b\u56de\u5e30\u5206\u6790\u304c\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u305f\u3060\u3051\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u4eca\u56de\u7701\u3044\u305f\u691c\u5b9a\u306a\u3069\u306b\u3064\u3044\u3066\u306e\u8a18\u4e8b\u3082\u66f8\u304f\u306e\u3067\u3001\u304a\u697d\u3057\u307f\u306b\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u8a00\u8a9e\u306fRStudio\uff08\u5c02\u7528\u306eIDE\uff09\u3084\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u7528\u610f\u3057\u3066\u304f\u308c\u3066\u3044\u308b\u306a\u3069\u3001\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u89e6\u308a\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4eca\u56de\u306f\u3001\u3053\u306eRStudio\u3068\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\uff08\u8eca\u306e\u30b9\u30d4\u30fc\u30c9\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf\uff09\u3092\u4f7f\u3063\u3066\u3001\u6700\u3082\u5358\u7d14\u306a\u56de\u5e30\u5206\u6790\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":9512,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[52,47],"tags":[],"acf":{"keywords":"R,R\u8a00\u8a9e,\u30c7\u30fc\u30bf,\u7d71\u8a08,\u89e3\u6790,\u5b9f\u8df5,\u56de\u5e30\u5206\u6790","description":"R\u8a00\u8a9e\u3092\u4f7f\u3063\u305f\u5358\u56de\u5e30\u5206\u6790\u3092\u3084\u308a\u307e\u3057\u305f\u3002\u5358\u56de\u5e30\u5206\u6790\u306e\u7c21\u5358\u306a\u89e3\u8aac\u3082\u3057\u3066\u3044\u307e\u3059\u3002","ogp_url":"","banner":"https:\/\/storage.googleapis.com\/sitest-wp\/blog\/wp-content\/uploads\/2022\/03\/665be32c-d156de6d9d3c2d4737091d33c7d88e82.png","banner_sp":"https:\/\/storage.googleapis.com\/sitest-wp\/blog\/wp-content\/uploads\/2022\/03\/665be32c-d156de6d9d3c2d4737091d33c7d88e82.png","banner_link":"https:\/\/form.glad-cube.com\/form\/googleanalytics4wp01"},"_links":{"self":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts\/9479"}],"collection":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/comments?post=9479"}],"version-history":[{"count":31,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts\/9479\/revisions"}],"predecessor-version":[{"id":25714,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts\/9479\/revisions\/25714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/media\/9512"}],"wp:attachment":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/media?parent=9479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/categories?post=9479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/tags?post=9479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}