{"id":440,"date":"2019-05-12T20:48:30","date_gmt":"2019-05-12T11:48:30","guid":{"rendered":"https:\/\/best-biostatistics.com\/toukei-er\/entry\/what-is-clustering\/"},"modified":"2024-10-10T23:05:17","modified_gmt":"2024-10-10T14:05:17","slug":"what-is-clustering","status":"publish","type":"post","link":"https:\/\/best-biostatistics.com\/toukei-er\/entry\/what-is-clustering\/","title":{"rendered":"\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u3068\u306f\uff1f"},"content":{"rendered":"\n<p>\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u3068\u306f\u4f55\u304b\uff1f<\/p>\n\n\n\n<p>\u305d\u3082\u305d\u3082\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u3063\u3066\u4f55\uff1f<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u30af\u30e9\u30b9\u30bf\u30fc\u3068\u306f\">\u30af\u30e9\u30b9\u30bf\u30fc\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u30af\u30e9\u30b9\u30bf\u30fc\u3068\u306f\u3001\u30b0\u30eb\u30fc\u30d7\u3068\u304b\u584a\uff08\u304b\u305f\u307e\u308a\uff09\u306e\u610f\u5473\u3002<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u3092\u3044\u304f\u3064\u304b\u306e\u584a\u306b\u5206\u3051\u305f\u3082\u306e\u3092\u30af\u30e9\u30b9\u30bf\u3068\u8a00\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u3068\u306f\">\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u96c6\u3081\u305f\u30c7\u30fc\u30bf\u3092\u3044\u304f\u3064\u304b\u306e\u584a\u306b\u5206\u3051\u3066\u3001\u305d\u306e\u7279\u5fb4\u3092\u898b\u308b\u65b9\u6cd5\u304c\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u3068\u547c\u3070\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<div id=\"biost-1249223618\" class=\"biost- biost-entity-placement\"><p style=\"text-align: center;\"><span style=\"font-size: 20px;\"><strong><a href=\"https:\/\/best-biostatistics.com\/kmhl\">\uff1e\uff1e\u3082\u3046\u7d71\u8a08\u3067\u60a9\u3080\u306e\u306f\u7d42\u308f\u308a\u306b\u3057\u307e\u305b\u3093\u304b\uff1f\u00a0<\/a><\/strong><\/span><\/p>\r\n<a href=\"https:\/\/best-biostatistics.com\/kmhl\"><img class=\"aligncenter wp-image-2794 size-full\" src=\"https:\/\/best-biostatistics.com\/wp\/wp-content\/uploads\/2023\/11\/bn_r_03.png\" alt=\"\" width=\"500\" height=\"327\" \/><\/a>\r\n<p style=\"text-align: center;\"><span style=\"color: #ff0000; font-size: 20px;\"><strong><span class=\"marker2\">\u21911\u4e07\u4eba\u4ee5\u4e0a\u306e\u533b\u7642\u5f93\u4e8b\u8005\u304c\u8cfc\u8aad\u4e2d<\/span><\/strong><\/span><\/p><\/div><h2 class=\"wp-block-heading\" id=\"\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u306e\u7a2e\u985e\">\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u306e\u7a2e\u985e<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u82f1\u8a9e\u540d<\/th><th>\u65e5\u672c\u8a9e\u540d<\/th><\/tr><\/thead><tbody><tr><td>Connectivity-based clustering (hierarchical clustering)<\/td><td>\u968e\u5c64\u578b\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0<\/td><\/tr><tr><td>Centroid-based clustering (<i>k<\/i>-means clustering)<\/td><td><i>k<\/i>\u5e73\u5747\u6cd5<\/td><\/tr><tr><td>Distribution-based clustering<\/td><td>\u5206\u5e03\u306b\u57fa\u3065\u304f\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0<\/td><\/tr><tr><td>Density-based clustering<\/td><td>\u5bc6\u5ea6\u306b\u57fa\u3065\u304f\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u51fa\u5178\uff1a<\/p>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Cluster_analysis#Algorithms\">https:\/\/en.wikipedia.org\/wiki\/Cluster_analysis#Algorithms<\/a><\/p>\n\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u968e\u5c64\u578b\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0-Hierarchical-Clustering\">\u968e\u5c64\u578b\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0 Hierarchical Clustering<\/h3>\n\n\n\n<p>\u968e\u5c64\u3092\u4f5c\u3063\u3066\u5206\u985e\u3059\u308b\u65b9\u6cd5\u3002\u30c7\u30fc\u30bf\u540c\u58eb\u306e\u300c\u8ddd\u96e2\u300d\u3092\u6e2c\u3063\u3066\u3001\u9060\u3044\u30fb\u8fd1\u3044\u3067\u5206\u985e\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u30c7\u30f3\u30c9\u30ed\u30b0\u30e9\u30e0\u3068\u547c\u3070\u308c\u308b\u56f3\u3092\u63cf\u304f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a class=\"http-image\" href=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/1\/12\/Iris_dendrogram.png\/220px-Iris_dendrogram.png\"><img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/1\/12\/Iris_dendrogram.png\/220px-Iris_dendrogram.png\" alt=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/1\/12\/Iris_dendrogram.png\/220px-Iris_dendrogram.png\"\/><\/a><\/figure>\n\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\" id=\"k\u5e73\u5747\u6cd5-k-means-Clustering\"><i> k<\/i> \u5e73\u5747\u6cd5 <i>k<\/i>-means Clustering<\/h3>\n\n\n\n<p><i>k<\/i> \u5e73\u5747\u6cd5\u306e<i>k<\/i>\u306f\u3001\u4efb\u610f\u306e\u6570\u3067\u30011\u3067\u30822\u3067\u30823\u3067\u3082\u3044\u3044\u3002<\/p>\n\n\n\n<p><i>k<\/i> \u306e\u6570\u3060\u3051\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u306b\u5206\u985e\u3059\u308b\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u5e73\u5747\u3092\u4f7f\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a class=\"http-image\" href=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/e\/ea\/K-means_convergence.gif\/220px-K-means_convergence.gif\"><img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/e\/ea\/K-means_convergence.gif\/220px-K-means_convergence.gif\" alt=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/e\/ea\/K-means_convergence.gif\/220px-K-means_convergence.gif\"\/><\/a><\/figure>\n\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Distribution-based-Clustering\">Distribution-based Clustering<\/h3>\n\n\n\n<p>Expectation-maximization (EM) \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u3063\u305fGaussian Mixture Model\u3092\u4ee3\u8868\u3068\u3057\u305f\u5206\u5e03\u306b\u57fa\u3065\u304f\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a class=\"http-image\" href=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/d\/d8\/EM-Gaussian-data.svg\/186px-EM-Gaussian-data.svg.png\"><img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/d\/d8\/EM-Gaussian-data.svg\/186px-EM-Gaussian-data.svg.png\" alt=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/d\/d8\/EM-Gaussian-data.svg\/186px-EM-Gaussian-data.svg.png\"\/><\/a><\/figure>\n\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Density-based-Clustering\">Density-based Clustering<\/h3>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/DBSCAN\">Density-based spatial clustering of applications with noise (DBSCAN)<\/a>\u3092\u4ee3\u8868\u3068\u3057\u305f\u5bc6\u5ea6\u306b\u57fa\u3065\u304f\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a class=\"http-image\" href=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/0\/05\/DBSCAN-density-data.svg\/200px-DBSCAN-density-data.svg.png\"><img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/0\/05\/DBSCAN-density-data.svg\/200px-DBSCAN-density-data.svg.png\" alt=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/0\/05\/DBSCAN-density-data.svg\/200px-DBSCAN-density-data.svg.png\"\/><\/a><\/figure>\n\n\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30c7\u30fc\u30bf\u306e\u584a\uff08\u30af\u30e9\u30b9\u30bf\u30fc\uff09\u306b\u5206\u985e\u3059\u308b\u5206\u6790\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u306e\u7279\u5fb4\u30fb\u69cb\u9020\u3092\u898b\u51fa\u3059\u65b9\u6cd5\u3067\u3001\u30c7\u30fc\u30bf\u30de\u30a4\u30cb\u30f3\u30b0\u306e\u4e00\u624b\u6cd5\u3002<\/p>\n\n\n\n<p>\u968e\u5c64\u578b\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3068<i>k<\/i>\u5e73\u5747\u6cd5\u306f\u7279\u306b\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u3068\u306f\u4f55\u304b\uff1f \u305d\u3082\u305d\u3082\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u3063\u3066\u4f55\uff1f<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[107],"tags":[],"class_list":["post-440","post","type-post","status-publish","format-standard","hentry","category-107"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/comments?post=440"}],"version-history":[{"count":2,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/440\/revisions"}],"predecessor-version":[{"id":2630,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/440\/revisions\/2630"}],"wp:attachment":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/media?parent=440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/categories?post=440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/tags?post=440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}