{"id":2785,"date":"2024-10-06T15:32:00","date_gmt":"2024-10-06T06:32:00","guid":{"rendered":"https:\/\/secondlife.lol\/?p=2785"},"modified":"2024-10-07T18:00:15","modified_gmt":"2024-10-07T09:00:15","slug":"r-%eb%8d%b0%ec%9d%b4%ed%84%b0%eb%b6%84%ec%84%9d-%ec%98%88%ec%a0%9c-%eb%b6%93%ea%bd%83-iris-%eb%8d%b0%ec%9d%b4%ed%84%b0%ec%85%8b%ec%9c%bc%eb%a1%9c-%eb%b0%b0%ec%9a%b0%eb%8a%94-%eb%b6%84%eb%a5%98","status":"publish","type":"post","link":"https:\/\/secondlife.lol\/ja\/r-%eb%8d%b0%ec%9d%b4%ed%84%b0%eb%b6%84%ec%84%9d-%ec%98%88%ec%a0%9c-%eb%b6%93%ea%bd%83-iris-%eb%8d%b0%ec%9d%b4%ed%84%b0%ec%85%8b%ec%9c%bc%eb%a1%9c-%eb%b0%b0%ec%9a%b0%eb%8a%94-%eb%b6%84%eb%a5%98\/","title":{"rendered":"R\u30c7\u30fc\u30bf\u5206\u6790\u306e\u4f8b\uff1aIris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u5b66\u3076\u5206\u985e\u3068\u53ef\u8996\u5316\u306e\u4f8b"},"content":{"rendered":"<p>\u30c7\u30fc\u30bf\u5206\u6790\u3092\u59cb\u3081\u3088\u3046\u3068\u3059\u308b\u3068\u304d\u3001\u6700\u521d\u306b\u63a5\u3059\u308b\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u4e00\u3064\u304c\u83d6\u84b2\u3067\u3059\u3002 <a href=\"https:\/\/www.google.com\/url?sa=t&amp;source=web&amp;rct=j&amp;opi=89978449&amp;url=https:\/\/www.kaggle.com\/datasets\/uciml\/iris&amp;ved=2ahUKEwjevYa3xOyIAxXzffUHHaSBGt8QFnoECD4QAQ&amp;usg=AOvVaw3UnPiUFbtR1WBkMC0ssiGi\" data-type=\"link\" data-id=\"https:\/\/www.google.com\/url?sa=t&amp;source=web&amp;rct=j&amp;opi=89978449&amp;url=https:\/\/www.kaggle.com\/datasets\/uciml\/iris&amp;ved=2ahUKEwjevYa3xOyIAxXzffUHHaSBGt8QFnoECD4QAQ&amp;usg=AOvVaw3UnPiUFbtR1WBkMC0ssiGi\" target=\"_blank\" rel=\"noopener\">Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8<\/a>\u3053\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u57fa\u790e\u5b66\u7fd2\u3067\u3088\u304f\u6d3b\u7528\u3055\u308c\u308b\u4ee3\u8868\u7684\u306aR\u30c7\u30fc\u30bf\u5206\u6790\u4f8b\u3067\u3059\u3002\u83d6\u84b2\u306e\u69d8\u3005\u306a\u7279\u5fb4\uff08\u82b1\u3073\u3089\u3068\u82b1\ubc1b\uce68\u306e\u9577\u3055\u3068\u5e45\uff09\u306b\u57fa\u3065\u3044\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u30b5\u30f3\u30d7\u30eb\u304c\u3069\u306e\u54c1\u7a2e\u306b\u5c5e\u3059\u308b\u304b\u3092\u5206\u985e\u3059\u308b\u554f\u984c\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n\n\n<style>.kb-image2785_23533e-f8 .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;}.kb-image2785_23533e-f8 img.kb-img, .kb-image2785_23533e-f8 .kb-img img{border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}<\/style>\n<div class=\"wp-block-kadence-image kb-image2785_23533e-f8\"><figure class=\"aligncenter size-medium_large\"><img decoding=\"async\" width=\"768\" height=\"576\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-1-7-768x576.jpg\" alt=\"(R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c - \ubd93\uaf43 Iris \ub370\uc774\ud130\uc14b \" class=\"kb-img wp-image-2941\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-1-7-768x576.jpg 768w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-1-7-300x225.jpg 300w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-1-7-600x450.jpg 600w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-1-7.jpg 1200w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption>( R\u30c7\u30fc\u30bf\u5206\u6790\u4f8b - \u83d6\u84b2Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8 )<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001R\u30c7\u30fc\u30bf\u5206\u6790\u306e\u4f8b\u3068\u3057\u3066Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u3092\u63a2\u7d22\u3057\u3001\u53ef\u8996\u5316\u3057\u3001\u7c21\u5358\u306a\u5206\u985e\u30e2\u30c7\u30eb\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002 \u6700\u5f8c\u307e\u3067\u8aad\u3093\u3067\u3044\u305f\u3060\u3051\u308c\u3070\u3001\u5206\u985e\u3068\u53ef\u8996\u5316\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u60c5\u5831\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff01<\/p>\n\n\n<style>.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap{padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);border-top:3px solid var(--global-palette2, #2B6CB0);border-right:3px solid var(--global-palette2, #2B6CB0);border-bottom:3px solid var(--global-palette2, #2B6CB0);border-left:3px solid var(--global-palette2, #2B6CB0);border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title-wrap{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title-wrap{color:var(--global-palette2, #2B6CB0);}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title{color:var(--global-palette2, #2B6CB0);font-size:28px;font-weight:regular;font-style:normal;}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap .kb-table-of-content-list{color:var(--global-palette1, #3182CE);line-height:2em;font-weight:regular;font-style:normal;margin-top:var(--global-kb-spacing-sm, 1.5rem);margin-right:0px;margin-bottom:0px;margin-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap .kb-table-of-content-list .kb-table-of-contents__entry:hover{color:var(--global-palette6, #718096);}@media all and (max-width: 1024px){.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap{border-top:3px solid var(--global-palette2, #2B6CB0);border-right:3px solid var(--global-palette2, #2B6CB0);border-bottom:3px solid var(--global-palette2, #2B6CB0);border-left:3px solid var(--global-palette2, #2B6CB0);}}@media all and (max-width: 1024px){.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title{font-size:28px;}}@media all and (max-width: 767px){.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap{border-top:3px solid var(--global-palette2, #2B6CB0);border-right:3px solid var(--global-palette2, #2B6CB0);border-bottom:3px solid var(--global-palette2, #2B6CB0);border-left:3px solid var(--global-palette2, #2B6CB0);}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title{font-size:28px;}}<\/style>\n\n\n<h2 class=\"wp-block-heading\">Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u6982\u8981<\/h2>\n\n\n\n<p><strong>Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8<\/strong>\u306f\u3001\u83d6\u84b2\u306e\u5f62\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u542b\u3093\u3067\u304a\u308a\u3001\u30c7\u30fc\u30bf\u304b\u3089\u83d6\u84b2\u306e\u54c1\u7a2e\u3092\u4e88\u6e2c\u3059\u308b\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f\u5408\u8a08150\u500b\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u5404\u30b5\u30f3\u30d7\u30eb\u306f4\u3064\u306e\u7279\u6027\uff08\u843c\u306e\u9577\u3055\u3001\u843c\u306e\u5e45\u3001\u82b1\u3073\u3089\u306e\u9577\u3055\u3001\u82b1\u3073\u3089\u306e\u5e45\uff09\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306e <strong>\u30c7\u30fc\u30bf\u5206\u6790\u4f8b<\/strong>\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u7279\u5fb4\u3092\u3082\u3068\u306b\u30013\u3064\u306e\u30a2\u30e4\u30e1\u306e\u54c1\u7a2e\uff08Setosa\u3001Versicolor\u3001Virginica\uff09\u3092\u5206\u985e\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u306e\u30ed\u30fc\u30c9\u3068\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3<\/h2>\n\n\n\n<p>\u307e\u305a\u306fR\u3092\u4f7f\u3063\u3066Iris\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3001\u7c21\u5358\u306b\u63a2\u7d22\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002 R\u306b\u306f <code>\u30a2\u30a4\u30ea\u30b9<\/code> \u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5225\u9014\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\u3067\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u8aad\u307f\u8fbc\u307f\ndata(iris)\n\n#\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u78ba\u8a8d\nstr(iris)\nsummary(iris)\nhead(iris)<\/code><\/pre>\n\n\n<style>.kb-image2785_344203-f1 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image2785_344203-f1 size-large\"><img decoding=\"async\" width=\"600\" height=\"176\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/Screenshot_20241001-1546052-600x176.jpg\" alt=\"R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c - iris \ub370\uc774\ud130 \ud0d0\uc0c91\" class=\"kb-img wp-image-2791\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/Screenshot_20241001-1546052-600x176.jpg 600w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/Screenshot_20241001-1546052-300x88.jpg 300w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/Screenshot_20241001-1546052-768x225.jpg 768w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/Screenshot_20241001-1546052.jpg 812w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p><code>\u30a2\u30a4\u30ea\u30b9<\/code> \u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f5\u3064\u306e\u5217\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u5404\u5217\u306f\u6b21\u306e\u3088\u3046\u306a\u5909\u6570\u3092\u542b\u3093\u3067\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\u30bb\u30d1\u30eb.\u9577\u3055<\/code>\u82b1\u5f01\u306e\u9577\u3055<\/li>\n\n\n\n<li><code>\u30bb\u30d1\u30eb.\u5e45<\/code>\u82b1\u5f01\u306e\u5e45<\/li>\n\n\n\n<li><code>\u82b1\u3073\u3089.\u9577\u3055<\/code>\u82b1\u3073\u3089\u306e\u9577\u3055<\/li>\n\n\n\n<li><code>\u82b1\u3073\u3089.\u5e45<\/code>\u82b1\u3073\u3089\u5e45<\/li>\n\n\n\n<li><code>\u751f\u7269\u7a2e<\/code>\u30a2\u30e4\u30e1\u306e\u54c1\u7a2e(Setosa\u3001Versicolor\u3001Virginica)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u8aac\u660e<\/h3>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067 <code>\u30a2\u30a4\u30ea\u30b9<\/code> \u30c7\u30fc\u30bf\u306e\u69cb\u9020\u3092\u78ba\u8a8d\u3057\u3001\u8981\u7d04\u7d71\u8a08\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u5404\u7279\u6027\u3054\u3068\u306b\u5e73\u5747\u3001\u4e2d\u592e\u5024\u3001\u6700\u5c0f\u5024\u3001\u6700\u5927\u5024\u306a\u3069\u306e\u57fa\u790e\u7d71\u8a08\u60c5\u5831\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u5168\u4f53\u7684\u306a\u5206\u5e03\u3092\u7c21\u5358\u306b\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">R\u30c7\u30fc\u30bf\u5206\u6790\u4f8b \u30c7\u30fc\u30bf\u306e\u53ef\u8996\u5316<\/h2>\n\n\n\n<p>\u30c7\u30fc\u30bf\u3092\u63a2\u7d22\u3057\u305f\u5f8c\u306f\u3001\u305d\u308c\u3092\u8996\u899a\u5316\u3057\u3066\u3001\u5404\u7279\u6027\u9593\u306e\u95a2\u4fc2\u3092\u8996\u899a\u7684\u306b\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002R\u306e <strong>ggplot2<\/strong> \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u7c21\u5358\u306b\u8996\u899a\u5316\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306e <strong>\u30c7\u30fc\u30bf\u5206\u6790\u4f8b<\/strong>\u3067\u306f\u3001\u82b1\u3073\u3089\u3068\u82b1\u5f01\u306e\u9577\u3055\u3068\u5e45\u3092\u6563\u5e03\u56f3\u3067\u8868\u73fe\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\u3067\u6563\u5e03\u56f3\u3092\u63cf\u304f<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># ggplot2\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30ed\u30fc\u30c9\n# install.packages(\"ggplot2\") #ggplot2 \u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002\nlibrary(ggplot2)\n\n# \u82b1\u3073\u3089\u3068\u843c\u306e\u9577\u3055\u3001\u5e45\u306e\u8996\u899a\u5316\nggplot(iris, aes(x = Petal.Length, y = Petal.Width, color = Species)) + ggplot(iris, aes(x = Petal.Length, y = Petal.Width, color = Species))\n  geom_point(size = 3) + +...\n  labs(title = \"\u82b1\u3073\u3089\u306e\u9577\u3055\u3068\u5e45\u306b\u3088\u308b\u54c1\u7a2e\u5206\u5e03\", x = \"\u82b1\u3073\u3089\u306e\u9577\u3055\", y = \"\u82b1\u3073\u3089\u306e\u5e45\")<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u82b1\u3073\u3089\u306e\u9577\u3055\u3068\u5e45\u3092\u57fa\u6e96\u306b\u83d6\u84b2\u306e\u54c1\u7a2e\u5225\u306e\u5206\u5e03\u3092\u8996\u899a\u5316\u3057\u305f\u6563\u5e03\u56f3\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u54c1\u7a2e\u3054\u3068\u306b\u8272\u3092\u5909\u3048\u3066\u3044\u308b\u306e\u3067\u3001\u30c7\u30fc\u30bf\u304c\u8996\u899a\u7684\u306b\u3069\u306e\u3088\u3046\u306b\u5206\u5e03\u3057\u3066\u3044\u308b\u306e\u304b\u304c\u4e00\u76ee\u3067\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30d3\u30b8\u30e5\u30a2\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30bb\u30c8\u30b5\u304c\u4ed6\u306e2\u3064\u306e\u54c1\u7a2e\u3068\u660e\u78ba\u306b\u533a\u5225\u3055\u308c\u3001Versicolor\u3068Virginica\u306f\u4e00\u90e8\u91cd\u306a\u308b\u90e8\u5206\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K-\u6700\u8fd1\u508d(K-NN)\u5206\u985e\u30e2\u30c7\u30eb\u306e\u69cb\u7bc9<\/h2>\n\n\n\n<p>\u3053\u308c\u3067\u3001\u7c21\u5358\u306a <strong>\u5206\u985e\u30e2\u30c7\u30eb<\/strong>\u4eca\u56de\u306fK-NN(K-NN)\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u83d6\u84b2\u306e\u54c1\u7a2e\u3092\u4e88\u6e2c\u3057\u3066\u307f\u307e\u3059\u3002 K-NN\u306f\u3001\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u304c\u3042\u308b\u3068\u304d\u3001\u6700\u3082\u8fd1\u3044K\u500b\u306e\u8fd1\u508d\u30c7\u30fc\u30bf\u3092\u53c2\u7167\u3057\u3066\u305d\u306e\u30c7\u30fc\u30bf\u3092\u5206\u985e\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u3067\u76f4\u611f\u7684\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\u3067K-NN\u30e2\u30c7\u30eb\u306e\u69cb\u7bc9<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5fc5\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30ed\u30fc\u30c9\ninstall.packages(\"class\")\nlibrary(class)\n\n#\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u30bb\u30c3\u30c8\u3068\u30c6\u30b9\u30c8\u30bb\u30c3\u30c8\u306b\u5206\u3051\u307e\u3059\u3002\nset.seed(123)\nindex &lt;- sample(1:nrow(iris), 0.7 * nrow(iris))\ntrain_data &lt;- iris[index, ]\u3067\u3059\u3002\ntest_data &lt;- iris[-index, ]\u3067\u3059\u3002\n\n# K-NN\u30e2\u30c7\u30eb\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3068\u4e88\u6e2c\ntrain_labels &lt;- train_data$Species\ntest_labels &lt;- test_data$Species\nknn_pred &lt;- knn(train = train_data[, -5], test = test_data[, -5], cl = train_labels, k = 3)\n\n# \u4e88\u6e2c\u7d50\u679c\u78ba\u8a8d\ntable(knn_pred, test_labels)\n\n# \u5b9f\u884c\u7d50\u679c\u30c7\u30fc\u30bf #\n            test_labels\nknn_pred setosa versicolor virginica\n  setosa 14 0 0\n  versicolor 0 17 0\n  virginica 0 1 13<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f <strong>K-NN\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/strong>\u3092\u5229\u7528\u3057\u3066\u3001Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u30a2\u30e4\u30e1\u306e\u54c1\u7a2e\u3092\u4e88\u6e2c\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u30c7\u30fc\u30bf\u3068\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u5206\u3051\u305f\u5f8c\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u54c1\u7a2e\u3092\u4e88\u6e2c\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u5b9f\u969b\u306e\u5024\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e88\u6e2c\u7d50\u679c\u8a55\u4fa1<\/h3>\n\n\n\n<p>\u4e88\u6e2c\u7d50\u679c\u3092\u8a55\u4fa1\u3059\u308b\u65b9\u6cd5\u306e1\u3064\u306f <strong>\u6df7\u540c\u884c\u5217(confusion matrix)<\/strong>\u3092\u4f7f\u3046\u3053\u3068\u3067\u3059\u3002 \u6df7\u540c\u884c\u5217\u306f\u30e2\u30c7\u30eb\u304c\u3069\u308c\u3060\u3051\u6b63\u78ba\u306b\u4e88\u6e2c\u3057\u305f\u304b\u3001\u8aa4\u5206\u985e\u3055\u308c\u305f\u30b5\u30f3\u30d7\u30eb\u304c\u3069\u308c\u304f\u3089\u3044\u3042\u308b\u304b\u3092\u4e00\u76ee\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e0a\u306e\u30b3\u30fc\u30c9\u3067 <code>table()<\/code> \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u4e88\u6e2c\u5024\u3068\u5b9f\u969b\u306e\u5024\u3092\u6bd4\u8f03\u3059\u308b\u3068\u3001\u6df7\u540c\u884c\u5217\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u5b9f\u884c\u7d50\u679c\u3060\u3051\u3067\u306f\u3001\u305d\u306e\u610f\u5473\u3092\u5206\u6790\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u305f\u3081\u3001K-NN\u5206\u985e\u30e2\u30c7\u30eb\u3067\u6027\u80fd\u3092\u8a55\u4fa1\u3059\u308b\u5834\u5408\u3001\u4e00\u822c\u7684\u306b\u3001K-NN\u5206\u985e\u30e2\u30c7\u30eb\u306f <strong>\u7cbe\u5ea6(precision)<\/strong>, <strong>\u518d\u73fe\u6027(\u30ea\u30b3\u30fc\u30eb)<\/strong>, <strong>F1\u30b9\u30b3\u30a2<\/strong> \u306a\u3069\u306e\u6307\u6a19\u3092\u4f7f\u7528\u3057\u3066\u3001\u30e2\u30c7\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5177\u4f53\u7684\u306b\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n\n\n\n<p><code>\u30ab\u30ec\u30c3\u30c8<\/code> \u30d1\u30c3\u30b1\u30fc\u30b8\u307e\u305f\u306f <code>e1071<\/code> \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u7cbe\u5ea6\u3001\u518d\u73fe\u6027\u3001F1\u30b9\u30b3\u30a2\u3092\u7c21\u5358\u306b\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f <code>\u30ab\u30ec\u30c3\u30c8<\/code> \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u3063\u3066\u3053\u308c\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1.caret\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30ed\u30fc\u30c9<\/h4>\n\n\n\n<p>\u307e\u305a\u306f <code>\u30ab\u30ec\u30c3\u30c8<\/code> \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5fc5\u8981\u6642\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\n# install.packages(\"caret\")\n\nlibrary(caret)<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2.\u6df7\u540c\u884c\u5217\u306e\u751f\u6210\u3068\u6027\u80fd\u8a55\u4fa1<\/h4>\n\n\n\n<p><code>table()<\/code> \u95a2\u6570\u3092\u4f7f\u3063\u3066\u81ea\u5206\u3067\u4f5c\u3063\u305f\u6df7\u540c\u884c\u5217\u3092\u5229\u7528\u3057\u3066\u6027\u80fd\u8a55\u4fa1\u3092\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001 <code>\u30ab\u30ec\u30c3\u30c8<\/code> \u30d1\u30c3\u30b1\u30fc\u30b8\u306e <code>confusionMatrix()<\/code> \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u7cbe\u5ea6\u3001\u518d\u73fe\u6027\u3001F1\u30b9\u30b3\u30a2\u306a\u3069\u3092\u81ea\u52d5\u7684\u306b\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u6df7\u540c\u884c\u5217\u306e\u751f\u6210\u53ca\u3073\u6027\u80fd\u8a55\u4fa1\nconfusion_matrix &lt;- confusionMatrix(knn_pred, test_labels)\n\n# \u7d50\u679c\u51fa\u529b\nprint(confusion_matrix)<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u5404\u30af\u30e9\u30b9\u3054\u3068\u306b <strong>\u7cbe\u5ea6<\/strong>, <strong>\u518d\u73fe\u6027<\/strong>, <strong>F1\u30b9\u30b3\u30a2<\/strong>\u306f\u3082\u3061\u308d\u3093 <strong>\u7cbe\u5ea6(accuracy)<\/strong>\u307e\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3.\u7d50\u679c\u306e\u89e3\u91c8<\/h4>\n\n\n\n<p><code>confusionMatrix()<\/code> \u95a2\u6570\u306f\u69d8\u3005\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\u3092\u542b\u3080\u7d50\u679c\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u4e3b\u306a\u6307\u6a19\u3092\u8aac\u660e\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7cbe\u5ea6(Precision)<\/strong>: \u7279\u5b9a\u306e\u30af\u30e9\u30b9\u306b\u5bfe\u3057\u3066\u4e88\u6e2c\u3057\u305f\u5024\u306e\u3046\u3061\u3001\u5b9f\u969b\u306b\u305d\u306e\u30af\u30e9\u30b9\u306b\u5c5e\u3059\u308b\u30c7\u30fc\u30bf\u306e\u5272\u5408\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u518d\u73fe\u7387(Recall)<\/strong>: \u5b9f\u969b\u306b\u305d\u306e\u30af\u30e9\u30b9\u306b\u5c5e\u3059\u308b\u30c7\u30fc\u30bf\u306e\u3046\u3061\u3001\u6b63\u3057\u304f\u4e88\u6e2c\u3057\u305f\u5272\u5408\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>F1\u30b9\u30b3\u30a2<\/strong>\u7cbe\u5ea6\u3068\u518d\u73fe\u6027\u306e\u8abf\u548c\u5e73\u5747\u3067\u3001\u4e21\u65b9\u306e\u5024\u3092\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u8a55\u4fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>Accuracy(\u7cbe\u5ea6)<\/strong>: \u5168\u30c7\u30fc\u30bf\u306e\u3046\u3061\u3001\u6b63\u78ba\u306b\u4e88\u6e2c\u3057\u305f\u5272\u5408\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4.\u7d50\u679c\u4f8b<\/h4>\n\n\n\n<p><code>confusionMatrix()<\/code> \u95a2\u6570\u3067\u6c42\u3081\u305f\u7d50\u679c\u306f\u304a\u304a\u3088\u305d\u6b21\u306e\u3088\u3046\u306a\u5f62\u3067\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u30b3\u30f3\u30d5\u30e5\u30fc\u30b8\u30e7\u30f3\u30de\u30c8\u30ea\u30af\u30b9\u3068\u7d71\u8a08\u5b66\n\n            \u53c2\u8003\u6587\u732e\n\u4e88\u6e2c setosa versicolor virginica\n  setosa 14 0 0\n  versicolor 0 17 0\n  \u30d0\u30fc\u30b8\u30cb\u30ab 0 1 13\n\n\u5168\u4f53\u7d71\u8a08\n\n               \u7cbe\u5ea6 : 0.9778\n                 95% CI : (0.8887, 0.9994)\n    \u7121\u60c5\u5831\u7387 : 0.3556\n    P-Value [Acc &gt; NIR] : &lt; 2e-16\n\n                  Kappa : 0.9662\n\nMcnemar&#039;s Test P-Value : NA\n\n\u30af\u30e9\u30b9\u5225\u306e\u7d71\u8a08\u91cf\u3067\u3059\uff1a\n\n                     \u30af\u30e9\u30b9\uff1asetosa \u30af\u30e9\u30b9\uff1aversicolor \u30af\u30e9\u30b9\uff1avirginica\u30af\u30e9\u30b9\n\u611f\u5ea6 1.0000 0.9444 1.0000 1.0000\n\u7279\u7570\u5ea6 1.0000 1.0000 1.0000 0.9722\nPos Pred Value 1.0000 1.0000 1.0000 0.9286\n\u30cd\u30ac\u30c6\u30a3\u30d6\u4e88\u6e2c\u5024 1.0000 0.9667 1.0000\n\u6709\u75c5\u7387 0.2889 0.3556 0.3556 0.3556 0.3556\n\u691c\u51fa\u7387 0.2889 0.3333 0.3556 0.2889 0.3333 0.3556\n\u691c\u51fa\u6709\u75c5\u7387 0.2889 0.3333 0.3833 0.3833\n\u5e73\u8861\u7cbe\u5ea6 1.0000 0.9722 0.9861<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u5404\u4e3b\u8981\u6307\u6a19\u306e\u89e3\u91c8\uff1a<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u611f\u5ea6<\/strong>: \u518d\u73fe\u7387(Recall)\u3067\u3059\u3002\u4e88\u6e2c\u3057\u305f\u5024\u304c\u5b9f\u969b\u306e\u5024\u3068\u3069\u308c\u3060\u3051\u4e00\u81f4\u3059\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u7279\u7570\u6027<\/strong>: \u7279\u5b9a\u306e\u30af\u30e9\u30b9\u3067\u306f\u306a\u304f\u3001\u30c7\u30fc\u30bf\u3092\u3069\u308c\u3060\u3051\u3046\u307e\u304f\u4e88\u6e2c\u3057\u305f\u304b\u306e\u6307\u6a19\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>Pos Pred Value<\/strong>\u7cbe\u5ea6(Precision)\u3067\u3042\u308a\u3001\u4e88\u6e2c\u3057\u305f\u3082\u306e\u306e\u3046\u3061\u5f53\u3066\u305f\u5272\u5408\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30cd\u30ac\u30c6\u30a3\u30d6\u4e88\u6e2c\u5024<\/strong>:\u4e88\u6e2c\u3057\u3066\u3044\u306a\u3044\u3082\u306e\u306e\u3046\u3061\u3001\u5f53\u3066\u305f\u5272\u5408\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u7cbe\u5ea6<\/strong>\u5168\u4f53\u306e\u4e88\u6e2c\u3067\u5408\u308f\u305b\u305f\u5272\u5408\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3067\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u3088\u308a\u5177\u4f53\u7684\u306b\u8a55\u4fa1\u30fb\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u5206\u6790\u3067\u3088\u304f\u3042\u308b\u30df\u30b9\u3068\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u4eca\u56de\u306e <strong>\u30c7\u30fc\u30bf\u5206\u6790\u4f8b<\/strong>\u3092\u884c\u3046\u969b\u306b\u3001\u521d\u5fc3\u8005\u304c\u3088\u304f\u72af\u3059\u9593\u9055\u3044\u3092\u907f\u3051\u308b\u305f\u3081\u306e\u30d2\u30f3\u30c8\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30fc\u30bf\u524d\u51e6\u7406\u3092\u6020\u308b<\/strong>\uff1a\u30c7\u30fc\u30bf\u3092\u5206\u6790\u3059\u308b\u524d\u306b\u5fc5\u305a\u6b20\u640d\u5024\u3001\u7570\u5e38\u5024\u306a\u3069\u3092\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Iris\u30c7\u30fc\u30bf\u306b\u306f\u6b20\u6e2c\u5024\u304c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4ed6\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306f\u5fc5\u305a\u524d\u51e6\u7406\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u9069\u5207\u306aK\u5024\u306e\u9078\u629e<\/strong>K-NN\u30e2\u30c7\u30eb\u304b\u3089 <code>k<\/code> \u5024\u3092\u9069\u5207\u306b\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002K\u5024\u304c\u5c0f\u3055\u3059\u304e\u308b\u3068\u904e\u9069\u5408\u306b\u306a\u308a\u3001\u5927\u304d\u3059\u304e\u308b\u3068\u91cd\u8981\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u898b\u9003\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u5206\u5272\u306b\u6ce8\u610f\u3057\u306a\u3044<\/strong>: \u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u30c7\u30fc\u30bf\u3068\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u5206\u3051\u308b\u3068\u304d\u306f\u3001\u5fc5\u305a\u30e9\u30f3\u30c0\u30e0\u306b\u30c7\u30fc\u30bf\u3092\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u3046\u3057\u306a\u3044\u3068\u3001\u30e2\u30c7\u30eb\u304c\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u3060\u3051\u306b\u504f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<p><strong>Q1: Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f\u3069\u3053\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><br>A: Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f\u3001R\u306b\u57fa\u672c\u7684\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5225\u9014\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002 <code>\u30c7\u30fc\u30bf(\u8679\u5f69)<\/code> \u30b3\u30de\u30f3\u30c9\u3067\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Q2: K-NN\u30e2\u30c7\u30eb\u306eK\u5024\u306f\u3069\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u304b\uff1f<\/strong><br>A: K\u5024\u306f\u4e00\u822c\u7684\u306b\u5947\u6570\u306b\u8a2d\u5b9a\u3057\u3001\u30af\u30ed\u30b9\u691c\u8a3c\u3092\u901a\u3058\u3066\u6700\u9069\u306aK\u5024\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u30b5\u30a4\u30ba\u3068\u5206\u5e03\u306b\u3088\u3063\u3066\u3001K\u5024\u306f\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Q3: \u4ed6\u306e\u5206\u985e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3082\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/strong><br>A: \u3082\u3061\u308d\u3093\u3067\u3059\uff01K-NN\u4ee5\u5916\u306b\u3082\u3001\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3001\u6c7a\u5b9a\u6728\u3001\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u306a\u3069\u3001\u69d8\u3005\u306a\u5206\u985e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5b9f\u7fd2\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6574\u7406\u3059\u308b<\/h2>\n\n\n\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f <strong>\u30c7\u30fc\u30bf\u5206\u6790\u4f8b<\/strong>\u3067Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u6d3b\u7528\u3057\u3066\u57fa\u672c\u7684\u306a\u63a2\u7d22\u7684\u30c7\u30fc\u30bf\u5206\u6790\u3068\u53ef\u8996\u5316\u3092\u884c\u3063\u305f\u5f8c\u3001K-NN(K-Nearest Neighbor)\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u5206\u985e\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3066\u307f\u307e\u3057\u305f\u3002 Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f\u5c0f\u3055\u304f\u3066\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\u3001\u5206\u985e\u554f\u984c\u306e\u5b66\u7fd2\u3068\u5206\u6790\u306b\u975e\u5e38\u306b\u6709\u7528\u306a\u8cc7\u6599\u3067\u3059\u3002 \u3053\u306e\u4f8b\u3092\u901a\u3057\u3066\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3092\u7406\u89e3\u3057\u3001\u3088\u308a\u8907\u96d1\u306a\u554f\u984c\u306b\u9032\u3080\u305f\u3081\u306e\u8db3\u304c\u304b\u308a\u3092\u3064\u304b\u3093\u3067\u3044\u305f\u3060\u3051\u305f\u3068\u601d\u3044\u307e\u3059\u3002 <\/p>\n\n\n\n<p>\u7686\u3055\u3093\u3082\u3053\u306e\u4f8b\u3092\u3082\u3068\u306b <a href=\"https:\/\/secondlife.lol\/ja\/data-analysis-example-titanic-survivor-prediction\/\" data-type=\"post\" data-id=\"2765\">\u305d\u306e\u4ed6\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8<\/a>\u306b\u6311\u6226\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/p>","protected":false},"excerpt":{"rendered":"<p>\ub370\uc774\ud130 \ubd84\uc11d\uc744 \uc2dc\uc791\ud558\ub824\uace0 \ud560 \ub54c, \ucc98\uc74c \uc811\ud558\uac8c \ub418\ub294 \ub370\uc774\ud130\uc14b \uc911&#8230;<\/p>","protected":false},"author":3,"featured_media":2943,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[6],"tags":[324,325,174,39,164],"class_list":["post-2785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-r-coding","tag-iris-","tag-r--","tag-r-","tag-rstudio","tag-164"],"taxonomy_info":{"category":[{"value":6,"label":"\uc54c(R)"}],"post_tag":[{"value":324,"label":"iris \ub370\uc774\ud130\uc14b"},{"value":325,"label":"R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c"},{"value":174,"label":"R \ud504\ub85c\uadf8\ub798\ubc0d"},{"value":39,"label":"RStudio"},{"value":164,"label":"\ub370\uc774\ud130 \uc2dc\uac01\ud654"}]},"featured_image_src_large":["https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/R-\ub370\uc774\ud130\ubd84\uc11d-\uc608\uc81c-\ubd93\uaf43\ud3ec\uc2a4\ud2b8-\uc378\ub124\uc77c-600x600.webp",600,600,true],"author_info":{"display_name":"TERE","author_link":"https:\/\/secondlife.lol\/ja\/author\/tere\/"},"comment_info":0,"category_info":[{"term_id":6,"name":"\uc54c(R)","slug":"r-coding","term_group":0,"term_taxonomy_id":6,"taxonomy":"category","description":"","parent":20,"count":61,"filter":"raw","cat_ID":6,"category_count":61,"category_description":"","cat_name":"\uc54c(R)","category_nicename":"r-coding","category_parent":20}],"tag_info":[{"term_id":324,"name":"iris \ub370\uc774\ud130\uc14b","slug":"iris-%eb%8d%b0%ec%9d%b4%ed%84%b0%ec%85%8b","term_group":0,"term_taxonomy_id":324,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":325,"name":"R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c","slug":"r-%eb%8d%b0%ec%9d%b4%ed%84%b0%eb%b6%84%ec%84%9d-%ec%98%88%ec%a0%9c","term_group":0,"term_taxonomy_id":325,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":174,"name":"R \ud504\ub85c\uadf8\ub798\ubc0d","slug":"r-%ed%94%84%eb%a1%9c%ea%b7%b8%eb%9e%98%eb%b0%8d","term_group":0,"term_taxonomy_id":174,"taxonomy":"post_tag","description":"","parent":0,"count":15,"filter":"raw"},{"term_id":39,"name":"RStudio","slug":"rstudio","term_group":0,"term_taxonomy_id":39,"taxonomy":"post_tag","description":"","parent":0,"count":9,"filter":"raw"},{"term_id":164,"name":"\ub370\uc774\ud130 \uc2dc\uac01\ud654","slug":"%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%8b%9c%ea%b0%81%ed%99%94","term_group":0,"term_taxonomy_id":164,"taxonomy":"post_tag","description":"","parent":0,"count":52,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/posts\/2785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/comments?post=2785"}],"version-history":[{"count":7,"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/posts\/2785\/revisions"}],"predecessor-version":[{"id":2948,"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/posts\/2785\/revisions\/2948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/media\/2943"}],"wp:attachment":[{"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/media?parent=2785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/categories?post=2785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/secondlife.lol\/ja\/wp-json\/wp\/v2\/tags?post=2785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}