{"id":7396,"date":"2025-11-07T08:54:23","date_gmt":"2025-11-06T23:54:23","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=7396"},"modified":"2025-11-07T08:57:18","modified_gmt":"2025-11-06T23:57:18","slug":"what-is-kmeans","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/what-is-kmeans\/","title":{"rendered":"k-means\u6cd5\u3068\u306f\u4f55\u304b\uff1f"},"content":{"rendered":"\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u6559\u5e2b\u306a\u3057\u5b66\u7fd2\u306e\u4ee3\u8868\u7684\u306a\u624b\u6cd5\u3067\u3042\u308b\u300ck-means\u6cd5\uff08k\u5e73\u5747\u6cd5\uff09\u300d\u306b\u3064\u3044\u3066\u3001\u305d\u306e\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9\u304b\u3089\u89e3\u8aac\u3057\u307e\u3059\u3002\u4f3c\u305f\u3082\u306e\u540c\u58eb\u3092\u300c\u8ddd\u96e2\u300d\u3067\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3059\u308b\u4ed5\u7d44\u307f\uff08\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\uff09\u3084\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3051\u308b\u9867\u5ba2\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306e\u5177\u4f53\u7684\u306a\u6d3b\u7528\u4f8b\u3001\u3055\u3089\u306b\u300ck\u306e\u6570\u3092\u3069\u3046\u6c7a\u3081\u308b\u304b\u300d\u3068\u3044\u3063\u305f\u5b9f\u7528\u4e0a\u306e\u6ce8\u610f\u70b9\u3084\u5f31\u70b9\u307e\u3067\u3092\u3001\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u6398\u308a\u4e0b\u3052\u307e\u3059\u3002<\/p>\n\n\n<h2>\u305f\u304f\u3055\u3093\u306e\u30c7\u30fc\u30bf\u3001\u3069\u3046\u5206\u3051\u308b\uff1f<\/h2>\n<p>\u524d\u56de\u306e\u8a18\u4e8b\u3067\u306f\u300c\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u300d\u306e\u6982\u8981\u3068\u3001\u305d\u306e\u4ee3\u8868\u7684\u306a\u624b\u6cd5\u3068\u3057\u3066<strong>k-means\u6cd5<\/strong>\u306b\u8efd\u304f\u89e6\u308c\u307e\u3057\u305f\u3002\u4eca\u56de\u306f\u3001\u305d\u306ek-means\u6cd5\uff08k\u5e73\u5747\u6cd5\uff09\u306b\u3064\u3044\u3066\u3001\u3082\u3046\u5c11\u3057\u6df1\u304f\u6398\u308a\u4e0b\u3052\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\r\n<p>\u305f\u304f\u3055\u3093\u306e\u9867\u5ba2\u30c7\u30fc\u30bf\u3092\u524d\u306b\u3057\u3066\u3001\u300c\u4f3c\u305f\u3088\u3046\u306a\u55dc\u597d\u3092\u6301\u3064\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u3051\u305f\u3044\u3051\u308c\u3069\u3001\u3069\u3053\u304b\u3089\u624b\u3092\u3064\u3051\u308c\u3070\u3044\u3044\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3060\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f\u3053\u306e\u8ab2\u984c\u3092\u89e3\u6c7a\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u3067\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u304c<strong>k-means\u6cd5<\/strong>\u3067\u3059\u3002<\/p>\r\n<p>k-means\u6cd5\u306f\u300c<strong>\u6559\u5e2b\u306a\u3057\u5b66\u7fd2\u300d\u306e\u4e00\u7a2e<\/strong>\u3067\u3059\u3002\u6559\u5e2b\u306a\u3057\u5b66\u7fd2\u3068\u306f\u3001\u660e\u78ba\u306a\u6b63\u89e3\u30c7\u30fc\u30bf\u304c\u306a\u3044\u72b6\u614b\u3067\u3001\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u306e\u7279\u5fb4\u304b\u3089\u30d1\u30bf\u30fc\u30f3\u3084\u69cb\u9020\u3092\u898b\u3064\u3051\u51fa\u3059\u624b\u6cd5\u3092\u6307\u3057\u307e\u3059\u3002k-means\u6cd5\u306f\u305d\u306e\u30b7\u30f3\u30d7\u30eb\u3055\u3068\u5206\u304b\u308a\u3084\u3059\u3055\u304b\u3089\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3051\u308b\u9867\u5ba2\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\uff08\u9867\u5ba2\u5206\u985e\uff09\u306a\u3069\u3067\u5e83\u304f\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001k-means\u6cd5\u306e\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9\u304b\u3089\u3001\u305d\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u300c\u8ce2\u3044\u300d\u4ed5\u7d44\u307f\u3001\u5177\u4f53\u7684\u306a\u6d3b\u7528\u4f8b\u3001\u305d\u3057\u3066\u6ce8\u610f\u70b9\u307e\u3067\u3092\u3001\u521d\u5fc3\u8005\u5411\u3051\u306b\u3055\u3089\u306b\u3084\u3055\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: c86379d0-4c61-478b-9322-60cf72cac108 --><\/p>\n\n<h2>\u57fa\u672c\u306e\u8003\u3048\u65b9\uff1a\u4f3c\u305f\u3082\u306e\u540c\u58eb\u3092\u96c6\u3081\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u30eb\u30fc\u30eb<\/h2>\n<p>k-means\u6cd5\u306e\u4e2d\u5fc3\u7684\u306a\u30a2\u30a4\u30c7\u30a2\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u305d\u308c\u306f\u3001\u300c<strong>\u540c\u3058\u30b0\u30eb\u30fc\u30d7\uff08\u30af\u30e9\u30b9\u30bf\u30fc\uff09\u5185\u306e\u30c7\u30fc\u30bf\u540c\u58eb\u306f\u8ddd\u96e2\u304c\u8fd1\u304f\u3001\u9055\u3046\u30b0\u30eb\u30fc\u30d7\u306e\u30c7\u30fc\u30bf\u3068\u306f\u8ddd\u96e2\u304c\u9060\u304f\u306a\u308b\u3088\u3046\u306b\u5206\u3051\u308b<\/strong>\u300d\u3068\u3044\u3046\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p>\u3053\u306e\u8003\u3048\u65b9\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u30012\u3064\u306e\u91cd\u8981\u306a\u7528\u8a9e\u3092\u304a\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\r\n<ul>\r\n\t<li><strong>\u30af\u30e9\u30b9\u30bf\u30fc (Cluster):<\/strong> \u30c7\u30fc\u30bf\u3092\u5206\u985e\u3057\u305f\u3068\u304d\u306e\u300c\u30b0\u30eb\u30fc\u30d7\u300d\u3084\u300c\u96c6\u56e3\u300d\u306e\u3053\u3068\u3067\u3059\u3002<\/li>\r\n\t<li><strong>\u91cd\u5fc3 (Centroid):<\/strong> \u5404\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u300c\u4e2d\u5fc3\u70b9\u300d\u306e\u3053\u3068\u3067\u3059\u3002\u6587\u5b57\u901a\u308a\u3001\u305d\u306e\u30b0\u30eb\u30fc\u30d7\u306e\u300c\u91cd\u5fc3\u300d\u3084\u300c\u5e73\u5747\u300d\u306b\u3042\u305f\u308b\u70b9\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<p>\u305f\u304f\u3055\u3093\u306e\u70b9\u304c\u6563\u3089\u3070\u3063\u305f\u30b0\u30e9\u30d5\uff08\u6563\u5e03\u56f3\uff09\u3092\u60f3\u50cf\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002k-means\u6cd5\u306f\u3001\u3053\u306e\u70b9\u7fa4\u3092\u6570\u5b66\u7684\u306a**\u300c\u8ddd\u96e2\u300d**\u306b\u57fa\u3065\u3044\u3066\u81ea\u52d5\u3067\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\r\n<p>\u3053\u306e\u300c\u8ddd\u96e2\u300d\u3068\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30b0\u30e9\u30d5\u4e0a\u306e2\u70b9\u9593\u3092\u5b9a\u898f\u3067\u6e2c\u3063\u305f\u3088\u3046\u306a\u300c\u307e\u3063\u3059\u3050\u306a\u8ddd\u96e2\u300d\uff08\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u8ddd\u96e2\uff09\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u306e\u300c\u8fd1\u3055\u300d\u3092\u57fa\u6e96\u306b\u3001\u6700\u9069\u306a\u30b0\u30eb\u30fc\u30d7\u306e\u300c\u4e2d\u5fc3\uff08\u91cd\u5fc3\uff09\u300d\u3092\u898b\u3064\u3051\u51fa\u3057\u3066\u304f\u308c\u308b\u306e\u304ck-means\u6cd5\u306e\u8ce2\u3044\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\r\n<p>\u4ee5\u4e0b\u306e\u56f3\u306f\u3001\u30c7\u30fc\u30bf\u306e\u70b9\u7fa4\u304c3\u3064\u306e\u30af\u30e9\u30b9\u30bf\u30fc\uff08\u8d64\u30fb\u7dd1\u30fb\u9752\uff09\u306b\u5206\u985e\u3055\u308c\u3001\u305d\u308c\u305e\u308c\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u4e2d\u5fc3\uff08\u91cd\u5fc3\uff09\u304cX\u5370\u3067\u793a\u3055\u308c\u3066\u3044\u308b\u4f8b\u3067\u3059\u3002\u898b\u3066\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u540c\u3058\u30af\u30e9\u30b9\u30bf\u30fc\u5185\u306e\u70b9\u306f\u4e92\u3044\u306b\u8fd1\u304f\u3001\u7570\u306a\u308b\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u70b9\u540c\u58eb\u306f\u9060\u304f\u96e2\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306bk-means\u6cd5\u3067\u306f\u3001\u300c\u8ddd\u96e2\u304c\u8fd1\u3044\u3082\u306e\u540c\u58eb\u300d\u3092\u30b0\u30eb\u30fc\u30d7\u306b\u307e\u3068\u3081\u3001\u8ddd\u96e2\u304c\u9060\u3044\u3082\u306e\u306f\u5225\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u3051\u308b\u3068\u3044\u3046\u30b7\u30f3\u30d7\u30eb\u306a\u30eb\u30fc\u30eb\u3067\u30c7\u30fc\u30bf\u3092\u5206\u985e\u3057\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 137bbbfe-f393-4188-ab3f-c3e8cceee54a --><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.27.49.png\" alt=\"\" width=\"722\" height=\"628\" class=\"alignnone size-full wp-image-7398\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.27.49.png 722w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.27.49-300x261.png 300w\" sizes=\"(max-width: 722px) 100vw, 722px\" \/><\/p>\n\n<h2>\u4ed5\u7d44\u307f\u306e\u6838\u5fc3\uff1a\u81ea\u52d5\u3067\u300c\u4e2d\u5fc3\u300d\u3092\u898b\u3064\u3051\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/h2>\n<p>\u3067\u306f\u3001k-means\u6cd5\u306f\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u6700\u9069\u306a\u300c\u4e2d\u5fc3\u300d\u3092\u898b\u3064\u3051\u51fa\u3059\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u6570\u5f0f\u3092\u4f7f\u308f\u305a\u3001\u300c\u30b0\u30eb\u30fc\u30d7\u306e\u65d7\u6c7a\u3081\u30b2\u30fc\u30e0\u300d\u306b\u305f\u3068\u3048\u3066\u3001\u305d\u306e\u6d41\u308c\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\r\n<b>\u30b9\u30c6\u30c3\u30d71\uff1a\u30b0\u30eb\u30fc\u30d7\u6570(k)\u3092\u6c7a\u3081\u3001\u4eee\u306e\u300c\u65d7\u300d\u3092\u7acb\u3066\u308b<\/b>\r\n<p>\u307e\u305a\u3001\u5206\u6790\u8005\u304c\u300c\u30c7\u30fc\u30bf\u3092\u3044\u304f\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u3051\u305f\u3044\u304b\uff08k\u306e\u6570\uff09\u300d\u3092\u6c7a\u3081\u307e\u3059\u3002\uff08\u4f8b\uff1ak=3\uff09 \u6b21\u306b\u3001\u30c7\u30fc\u30bf\u304c\u6563\u3089\u3070\u308b\u5e83\u5834\u306b\u3001\u30e9\u30f3\u30c0\u30e0\u306bk\u672c\u306e\u300c\u4eee\u306e\u65d7\uff08\u91cd\u5fc3\uff09\u300d\u3092\u7acb\u3066\u307e\u3059\u3002\u3053\u308c\u304c\u30b9\u30bf\u30fc\u30c8\u5730\u70b9\u3067\u3059\u3002<\/p>\r\n<b>\u30b9\u30c6\u30c3\u30d72\uff1a\u5168\u54e1\u3001\u4e00\u756a\u8fd1\u3044\u300c\u65d7\u300d\u306b\u96c6\u307e\u308b<\/b>\r\n<p>\u5e83\u5834\u306b\u3044\u308b\u3059\u3079\u3066\u306e\u4eba\uff08\u5168\u30c7\u30fc\u30bf\uff09\u304c\u3001\u81ea\u5206\u304b\u3089\u898b\u3066\u4e00\u756a\u8fd1\u3044\u300c\u65d7\u300d\u3092\u898b\u3064\u3051\u3001\u305d\u306e\u65d7\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u53c2\u52a0\u3057\u307e\u3059\u3002 \u3053\u308c\u3067\u3001\u5e83\u5834\u306b\u3044\u305f\u5168\u54e1\u304c\u3001k\u500b\u306e\u3044\u305a\u308c\u304b\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u4e00\u6642\u7684\u306b\u6240\u5c5e\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\r\n<b>\u30b9\u30c6\u30c3\u30d73\uff1a\u5404\u30b0\u30eb\u30fc\u30d7\u306e\u300c\u4e2d\u5fc3\u300d\u306b\u300c\u65d7\u300d\u3092\u7acb\u3066\u76f4\u3059<\/b>\r\n<p>\u30b9\u30c6\u30c3\u30d72\u3067\u3067\u304d\u305f\u30b0\u30eb\u30fc\u30d7\u3054\u3068\u306b\u3001<strong>\u6240\u5c5e\u3059\u308b\u30e1\u30f3\u30d0\u30fc\u5168\u54e1\u306e\u300c\u3061\u3087\u3046\u3069\u771f\u3093\u4e2d\u306e\u5730\u70b9\uff08\u5e73\u5747\u70b9\uff09\u300d\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 \u305d\u3057\u3066\u3001\u4eca\u7acb\u3063\u3066\u3044\u308b\u300c\u4eee\u306e\u65d7\u300d\u3092\u629c\u304d\u3001\u8a08\u7b97\u3057\u305f\u305d\u306e\u65b0\u3057\u3044\u300c\u4e2d\u5fc3\u300d\u5730\u70b9<\/strong>\u306b\u65d7\u3092\u7acb\u3066\u76f4\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u65b0\u3057\u3044**\u300c\u91cd\u5fc3\u300d**\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\r\n<b>\u30b9\u30c6\u30c3\u30d74\uff1a\u300c\u65d7\u300d\u304c\u52d5\u304b\u306a\u304f\u306a\u308b\u307e\u3067\u7e70\u308a\u8fd4\u3059<\/b>\r\n<p>\u65d7\u304c\u52d5\u3044\u305f\u3053\u3068\u3067\u3001\u4eba\u306b\u3088\u3063\u3066\u306f\u3001\u3055\u3063\u304d\u307e\u3067\u4e00\u756a\u8fd1\u304b\u3063\u305f\u65d7\u3088\u308a\u3082\u3001\u5225\u306e\u65d7\u306e\u65b9\u304c\u8fd1\u304f\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 \u305d\u306e\u305f\u3081\u3001\u30b9\u30c6\u30c3\u30d72\uff08\u4e00\u756a\u8fd1\u3044\u65d7\u306b\u96c6\u307e\u308b\uff09<strong>\u3068<\/strong>\u30b9\u30c6\u30c3\u30d73\uff08\u65d7\u3092\u771f\u3093\u4e2d\u306b\u7acb\u3066\u76f4\u3059\uff09\u3092\u4f55\u5ea6\u3082\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002<\/p>\r\n<p>\u3053\u306e\u300c\u96c6\u307e\u308b\u300d\u2192\u300c\u4e2d\u5fc3\u3092\u8a08\u7b97\u300d\u2192\u300c\u65d7\u3092\u79fb\u52d5\u300d\u2192\u300c\u307e\u305f\u96c6\u307e\u308b\u300d\u2026\u3068\u3044\u3046\u4f5c\u696d\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u304f\u3068\u3001\u3084\u304c\u3066\u8ab0\u3082\u6240\u5c5e\u30b0\u30eb\u30fc\u30d7\u3092\u5909\u3048\u306a\u304f\u306a\u308a\u3001\u300c\u65d7\u300d\u306e\u4f4d\u7f6e\u3082\u52d5\u304b\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\r\n<p>\u3053\u306e\u300c\u8ab0\u3082\u52d5\u304b\u306a\u3044\uff1d\u65d7\u3082\u52d5\u304b\u306a\u3044\u300d\u72b6\u614b\uff08\u53ce\u675f\uff09\u306b\u306a\u3063\u305f\u3089\u3001\u6700\u9069\u306a\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u304c\u5b8c\u4e86\u3057\u305f\u3068\u5224\u65ad\u3057\u3001\u51e6\u7406\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002\u3053\u306e\u7e70\u308a\u8fd4\u3057\u3053\u305d\u304c\u3001k-means\u6cd5\u304c\u6700\u9069\u306a\u30b0\u30eb\u30fc\u30d7\u3092\u898b\u3064\u3051\u51fa\u3059\u305f\u3081\u306e\u5fc3\u81d3\u90e8\u3067\u3059\u3002<\/p>\r\n<p><!-- notionvc: 79604cfb-c13b-4be2-b8c6-eaa048c24770 --><\/p>\n\n<h2>\u5b9f\u969b\u306e\u4f7f\u3044\u65b9\uff1a\u3069\u3093\u306a\u5834\u9762\u3067\u5f79\u7acb\u3064\u306e\uff1f<\/h2>\n<p>k-means\u6cd5\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30d3\u30b8\u30cd\u30b9\u30b7\u30fc\u30f3\u3067\u5f79\u7acb\u3066\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<b>\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3067\u306e\u6d3b\u7528\u4f8b<\/b>\r\n<p>\u4f8b\u3048\u3070\u3001\u30cd\u30c3\u30c8\u30b7\u30e7\u30c3\u30d7\u306e\u9867\u5ba2\u5206\u985e\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u9867\u5ba2\u30c7\u30fc\u30bf\u3068\u3057\u3066\u300c<strong>X\u8ef8\u306b\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u56de\u6570<\/strong>\u300d\u300c<strong>Y\u8ef8\u306b\u7d2f\u8a08\u306e\u8cfc\u8cb7\u91d1\u984d<\/strong>\u300d\u3092\u3068\u3063\u3066\u6563\u5e03\u56f3\u3092\u4f5c\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\r\n<p>\u3053\u306e\u30c7\u30fc\u30bf\u306bk-means\u6cd5\u3092\u9069\u7528\uff08\u4f8b\uff1ak=3\uff09\u3059\u308b\u3053\u3068\u3067\u3001\u9867\u5ba2\u3092\u81ea\u52d5\u7684\u306b3\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<ul>\r\n\t<li>\u30b0\u30eb\u30fc\u30d7A\uff1a\u30a2\u30af\u30bb\u30b9\u56de\u6570\u3082\u8cfc\u8cb7\u91d1\u984d\u3082\u591a\u3044\u300c<strong>\u30ed\u30a4\u30e4\u30eb\u9867\u5ba2\u5c64<\/strong>\u300d<\/li>\r\n\t<li>\u30b0\u30eb\u30fc\u30d7B\uff1a\u30a2\u30af\u30bb\u30b9\u306f\u591a\u3044\u304c\u8cfc\u8cb7\u91d1\u984d\u306f\u5c11\u306a\u3044\u300c<strong>\u6bd4\u8f03\u691c\u8a0e\u5c64<\/strong>\u300d<\/li>\r\n\t<li>\u30b0\u30eb\u30fc\u30d7C\uff1a\u30a2\u30af\u30bb\u30b9\u3082\u8cfc\u8cb7\u3082\u5c11\u306a\u3044\u300c<strong>\u4f11\u7720\u9867\u5ba2\u5c64<\/strong>\u300d<\/li>\r\n<\/ul>\r\n<p>\u3053\u306e\u3088\u3046\u306b\u7279\u6027\u304c\u660e\u3089\u304b\u306b\u306a\u308c\u3070\u3001\u5404\u30b0\u30eb\u30fc\u30d7\u306b\u5408\u308f\u305b\u305f\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\uff08A\u5c64\u306b\u306f\u5148\u884c\u512a\u5f85\u3001B\u5c64\u306b\u306f\u521d\u56de\u5272\u5f15\u30af\u30fc\u30dd\u30f3\u3001C\u5c64\u306b\u306f\u6398\u308a\u51fa\u3057\u7269\u30e1\u30fc\u30eb\uff09\u3092\u6253\u3064\u306a\u3069\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u7cbe\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<b>\u73fe\u5834\u304b\u3089\u306e\u5b9f\u8df5\u7684\u306a\u8996\u70b9<\/b>\r\n<p>k-means\u6cd5\u306f\u6df7\u6c8c\u3068\u3057\u305f\u30c7\u30fc\u30bf\u304b\u3089\u30d1\u30bf\u30fc\u30f3\u3092\u898b\u3064\u3051\u51fa\u3059\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u30d3\u30b8\u30cd\u30b9\u30c7\u30fc\u30bf\u306f\u5fc5\u305a\u3057\u3082\u304d\u308c\u3044\u306b\u5206\u985e\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\r\n<p>\u5c02\u9580\u5bb6\u306f\u3001\u300c\u5b9f\u8df5\u3067\u4f7f\u3046\u3068\u305d\u306e\u3088\u3046\u306a\u90fd\u5408\u306e\u826f\u3044\u30c7\u30fc\u30bf\u306f\u307b\u3068\u3093\u3069\u306a\u304f\u3001\u3080\u3057\u308d\u4eee\u8aac\u3092\u5426\u5b9a\u3059\u308b\u5834\u5408\u306b\u4f7f\u3046\u65b9\u304c\u73fe\u5b9f\u7684\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u300d\u3068\u6307\u6458\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u300c\u81ea\u793e\u306e\u9867\u5ba2\u306f2\u3064\u306e\u660e\u78ba\u306a\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u304b\u308c\u3066\u3044\u308b\u306f\u305a\u3060\u300d\u3068\u3044\u3046\u4eee\u8aac\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306bk-means\u6cd5\u3092\u4f7f\u3044\u3001\u304d\u308c\u3044\u306a\u30af\u30e9\u30b9\u30bf\u30fc\u304c\u5f62\u6210\u3055\u308c\u306a\u3044\u3053\u3068\u3067\u3001\u305d\u306e\u4eee\u8aac\u304c\u6b63\u3057\u304f\u306a\u3044\u3068\u5224\u65ad\u3059\u308b\u3001\u3068\u3044\u3063\u305f\u4f7f\u3044\u65b9\u3067\u3059\u3002<\/p>\r\n<b>\u4f7f\u7528\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066<\/b>\r\n<p>\u3053\u306e\u3088\u3046\u306a\u5206\u6790\u306f\u3001\u5c02\u9580\u7684\u306a\u30c4\u30fc\u30eb\u3092\u4f7f\u3048\u3070\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306e<strong>Python<\/strong>\uff08\u7279\u306bscikit-learn\u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\uff09\u306f\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u306e\u5206\u91ce\u3067\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001<strong>Tableau<\/strong>\u306e\u3088\u3046\u306aBI\uff08\u30d3\u30b8\u30cd\u30b9\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\uff09\u30c4\u30fc\u30eb\u306b\u3082\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790\u6a5f\u80fd\u3068\u3057\u3066k-means\u6cd5\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u4e0d\u8981\u3067\u5206\u6790\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\r\n<p><!-- notionvc: ffdef4ff-12a4-467e-9e47-824b0620d25d --><\/p>\n\n<h2>\u3088\u304f\u3042\u308b\u8aa4\u89e3\u3084\u6ce8\u610f\u70b9<\/h2>\n<p>k-means\u6cd5\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u5f37\u529b\u3067\u3059\u304c\u3001\u4e07\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f7f\u3046\u4e0a\u3067\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u91cd\u8981\u306a\u6ce8\u610f\u70b9\uff08\u5f31\u70b9\uff09\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<b>\u6ce8\u610f\u70b91\uff1a\u30b0\u30eb\u30fc\u30d7\u6570\uff08k\uff09\u3092\u81ea\u5206\u3067\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b<\/b>\r\n<p>k-means\u6cd5\u306f\u300ck\u500b\u306b\u5206\u3051\u3066\u300d\u3068\u3044\u3046\u547d\u4ee4\u3092\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u3001\u300c<strong>\u6700\u9069\u306ak\u306e\u6570<\/strong>\u300d\u3092\u81ea\u52d5\u3067\u6559\u3048\u3066\u306f\u304f\u308c\u307e\u305b\u3093\u3002\u5206\u6790\u8005\u304c\u76ee\u7684\u3084\u30c7\u30fc\u30bf\u3092\u898b\u306a\u304c\u3089\u8a66\u884c\u932f\u8aa4\u3057\u3066\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<b>\u6ce8\u610f\u70b92\uff1a\u6700\u521d\u306e\u300c\u65d7\u300d\u306e\u7acb\u3066\u65b9\u3067\u7d50\u679c\u304c\u5909\u308f\u308b\u3053\u3068\u304c\u3042\u308b<\/b>\r\n<p>\u30b9\u30c6\u30c3\u30d71\u3067\u300c\u65d7\u300d\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u7f6e\u304f\u305f\u3081\u3001\u5b9f\u884c\u3059\u308b\u305f\u3073\u306b\u5206\u985e\u7d50\u679c\u304c\u308f\u305a\u304b\u306b\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u306f\u300c<strong>\u767b\u5c71\u53e3\uff08\u6700\u521d\u306e\u65d7\uff09\u304c\u9055\u3046\u3068\u3001\u305f\u3069\u308a\u7740\u304f\u9802\u4e0a\uff08\u7d50\u679c\uff09\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046<\/strong>\u300d\u3053\u3068\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u305f\u3069\u308a\u7740\u3044\u305f\u9802\u4e0a\u304c\u3001\u5fc5\u305a\u3057\u3082\u4e00\u756a\u9ad8\u3044\u9802\u4e0a\uff08\u5168\u4f53\u6700\u9069\u89e3\uff09\u3067\u3042\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u306e\u3067\u3059\uff08\u5c40\u6240\u6700\u9069\u89e3\uff09\u3002<\/p>\r\n<b>\u6ce8\u610f\u70b93\uff1a\u300c\u5916\u308c\u5024\u300d\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u3044<\/b>\r\n<p>\u4e00\u3064\u3060\u3051\u30dd\u30c4\u30f3\u3068\u96e2\u308c\u305f\u30c7\u30fc\u30bf\uff08\u5916\u308c\u5024\uff09\u304c\u3042\u308b\u3068\u3001\u91cd\u5fc3\uff08\u5e73\u5747\u70b9\uff09\u3092\u8a08\u7b97\u3059\u308b\u969b\u306b\u3001\u305d\u306e<strong>\u5916\u308c\u5024\u306b\u300c\u4e2d\u5fc3\u300d\u304c\u5f37\u304f\u5f15\u3063\u5f35\u3089\u308c\u3066<\/strong>\u3057\u307e\u3044\u307e\u3059\u3002 \u3053\u308c\u306f\u300c\u30b0\u30eb\u30fc\u30d7\u306e\u5e73\u5747\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u306b\u3001\u4e00\u4eba\u3060\u3051\u6975\u7aef\u306a\u5024\u306e\u4eba\u304c\u3044\u308b\u3068\u3001\u5e73\u5747\u70b9\u304c\u305d\u3061\u3089\u306b\u5bc4\u3063\u3066\u3057\u307e\u3046\u300d\u306e\u3068\u540c\u3058\u3067\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001\u5168\u4f53\u306e\u5206\u985e\u7cbe\u5ea6\u304c\u4e0b\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 2d4194c9-5dae-4eb7-8681-0f66768939b7 --><\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.31.08.png\" alt=\"\" width=\"707\" height=\"695\" class=\"alignnone size-full wp-image-7399\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.31.08.png 707w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.31.08-300x295.png 300w\" sizes=\"(max-width: 707px) 100vw, 707px\" \/><\/p>\r\n<b>\u6ce8\u610f\u70b94\uff1a\u304d\u308c\u3044\u306a\u7403\u5f62\u306e\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3092\u60f3\u5b9a\u3057\u3066\u3044\u308b<\/b>\r\n<p>k-means\u6cd5\u306f\u3001\u5404\u30b0\u30eb\u30fc\u30d7\u304c\u304d\u308c\u3044\u306a\u5186\u5f62\uff083D\u306a\u3089\u7403\u5f62\uff09\u3067\u3001\u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\u304c\u540c\u7a0b\u5ea6\u3067\u3042\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002 \u306a\u305c\u306a\u3089\u3001<strong>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u300c1\u3064\u306e\u4e2d\u5fc3\u70b9\u304b\u3089\u306e\u8ddd\u96e2\u300d\u3060\u3051\u3092\u898b\u3066\u3044\u308b<\/strong>\u305f\u3081\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4e09\u65e5\u6708\u5f62\u3084\u30c9\u30fc\u30ca\u30c4\u5f62\u3001\u7d30\u9577\u3044\u30b0\u30eb\u30fc\u30d7\u3092\u6b63\u3057\u304f\u898b\u3064\u3051\u308b\u306e\u306f\u82e6\u624b\u3067\u3059\u3002<\/p>\r\n<p>\u4f8b\u3048\u3070\u3001\u534a\u6708\u72b6\uff08\u5f27\u72b6\uff09\u306b\u5206\u5e03\u3059\u308b\u30c7\u30fc\u30bf\u30922\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3057\u3088\u3046\u3068\u3057\u305f\u5834\u5408\u3001k-means\u6cd5\uff08\u5de6\u56f3\uff09\u3067\u306f\u5404\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u7121\u7406\u306b\u7403\u72b6\u306b\u533a\u5207\u308d\u3046\u3068\u3059\u308b\u305f\u3081\u3001\u4e8c\u3064\u306e\u534a\u6708\u5f62\u306e\u30c7\u30fc\u30bf\u7fa4\u304c\u305d\u308c\u305e\u308c\u5206\u65ad\u3055\u308c\u308b\u7d50\u679c\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001\u5bc6\u5ea6\u306b\u57fa\u3065\u304f\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u624b\u6cd5\u3067\u3042\u308bDBSCAN\uff08\u56f3\u306e\u53f3\uff09\u3092\u9069\u7528\u3059\u308b\u3068\u3001\u5f27\u3092\u63cf\u304f\u3088\u3046\u306a\u4e8c\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u3092\u305d\u306e\u5f62\u72b6\u306e\u307e\u307e\u6b63\u3057\u304f\u8b58\u5225\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001k-means\u6cd5\u3067\u306f\u691c\u51fa\u3057\u3065\u3089\u3044\u975e\u7403\u72b6\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u3042\u3063\u3066\u3082\u3001\u4ed6\u306e\u9069\u5207\u306a\u624b\u6cd5\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u304c\u53ef\u80fd\u3068\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\r\n<p><!-- notionvc: f1dc4847-1b81-4512-b90b-3a8153de8576 --><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.31.42.png\" alt=\"\" width=\"731\" height=\"362\" class=\"alignnone size-full wp-image-7400\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.31.42.png 731w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.31.42-300x149.png 300w\" sizes=\"(max-width: 731px) 100vw, 731px\" \/><\/p>\n\n<h2>\u307e\u3068\u3081\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h2>\n<p>k-means\u6cd5\u306f\u3001\u30c7\u30fc\u30bf\u306b\u96a0\u3055\u308c\u305f\u30d1\u30bf\u30fc\u30f3\u3092\u898b\u3064\u3051\u51fa\u3057\u3001\u81ea\u52d5\u3067\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3067\u304d\u308b\u30b7\u30f3\u30d7\u30eb\u3067\u9ad8\u901f\u306a\u624b\u6cd5\u3067\u3059\u3002<\/p>\r\n<p>\u3057\u304b\u3057\u3001\u4e07\u80fd\u3067\u306f\u306a\u304f\u3001\u30b0\u30eb\u30fc\u30d7\u6570\u3092\u81ea\u5206\u3067\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u308a\u3001\u30c7\u30fc\u30bf\u306e\u5f62\u72b6\u3084\u5916\u308c\u5024\u306b\u5f71\u97ff\u3055\u308c\u305f\u308a\u3068\u3044\u3063\u305f\u6ce8\u610f\u70b9\u3082\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u305fk-means\u6cd5\u306e\u6ce8\u610f\u70b9\u306f\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u306e\u4e16\u754c\u3067\u306f\u3088\u304f\u77e5\u3089\u308c\u305f\u8ab2\u984c\u3067\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u767a\u5c55\u7684\u306a\u624b\u6cd5\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\r\n<p>\u6b21\u306e\u4e00\u6b69\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u5b66\u3093\u3067\u307f\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\r\n<ul>\r\n\t<li>\r\n<p><strong>\u6ce8\u610f\u70b91\u300c\u30b0\u30eb\u30fc\u30d7\u6570\uff08k\uff09\u3092\u81ea\u5206\u3067\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b\u300d\u3068\u3044\u3046\u8ab2\u984c\u306b\u306f\uff1a<\/strong> k\u306e\u6570\u3092\u5ba2\u89b3\u7684\u306b\u5224\u65ad\u3059\u308b\u624b\u52a9\u3051\u3068\u306a\u308b\u300c<strong>\u30a8\u30eb\u30dc\u30fc\u6cd5<\/strong>\u300d\u3084\u300c<strong>\u30b7\u30eb\u30a8\u30c3\u30c8\u5206\u6790<\/strong>\u300d\u3068\u3044\u3063\u305f\u624b\u6cd5\u306b\u3064\u3044\u3066\u5b66\u3093\u3067\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\r\n<p>\u30a8\u30eb\u30dc\u30fc\u6cd5\u3067\u306f\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u6570k\u3092\u5897\u3084\u3057\u3066\u3044\u3063\u305f\u3068\u304d\u306e\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u8aa4\u5dee\uff08\u5404\u30af\u30e9\u30b9\u30bf\u30fc\u5185\u306e\u4e8c\u4e57\u8aa4\u5dee\u548c\uff09\u306e\u6e1b\u5c11\u306e\u69d8\u5b50\u3092\u30d7\u30ed\u30c3\u30c8\u3057\u3001\u305d\u306e\u66f2\u7dda\u306e\u300c\u6298\u308c\u66f2\u304c\u308a\uff08\u8098\uff09\u300d\u304b\u3089\u9069\u5207\u306ak\u306e\u76ee\u5b89\u3092\u5224\u65ad\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u4e0a\u306e\u30b0\u30e9\u30d5\u3067\u306f\u3001k\u3092\u5897\u3084\u3059\u306b\u3064\u308c\u3066\u8aa4\u5dee\u306f\u5c0f\u3055\u304f\u306a\u3063\u3066\u3044\u304d\u307e\u3059\u304c\u3001k=3\u3092\u5883\u306b\u6e1b\u308a\u65b9\u304c\u7de9\u3084\u304b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b<strong>\u8098<\/strong>\u306b\u76f8\u5f53\u3059\u308b\u30dd\u30a4\u30f3\u30c8\uff08\u3053\u3053\u3067\u306f3\u30af\u30e9\u30b9\u76ee\u4ed8\u8fd1\uff09\u3067\u306f\u8ffd\u52a0\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u306b\u3088\u308b\u6539\u5584\u52b9\u679c\u304c\u8584\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u3001\u305d\u3053\u304c\u30af\u30e9\u30b9\u30bf\u6570\u9078\u629e\u306e\u53c2\u8003\u76ee\u5b89\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\r\n<img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.34.57.png\" alt=\"\" width=\"728\" height=\"531\" class=\"alignnone size-full wp-image-7401\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.34.57.png 728w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2025\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-10-30-8.34.57-300x219.png 300w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/li>\r\n<\/ul>\r\n<ul>\r\n\t<li><strong>\u6ce8\u610f\u70b92\u300c\u6700\u521d\u306e\u300e\u4e2d\u5fc3\u300f\u306e\u7f6e\u304d\u65b9\u3067\u7d50\u679c\u304c\u5909\u308f\u308b\u3053\u3068\u304c\u3042\u308b\u300d\u3068\u3044\u3046\u8ab2\u984c\u306b\u306f\uff1a<\/strong> \u6700\u521d\u306e\u4e2d\u5fc3\u306e\u9078\u3073\u65b9\u3092\u6539\u826f\u3057\u3001\u3088\u308a\u5b89\u5b9a\u3057\u305f\u7d50\u679c\u3092\u5f97\u3084\u3059\u304f\u3057\u305f\u300c<strong>k-means++<\/strong>\u300d\u3068\u3044\u3046\u624b\u6cd5\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u306f\u3001\u6700\u521d\u306e\u4e2d\u5fc3\u70b9\u3092\u4e92\u3044\u306b\u96e2\u308c\u305f\u5834\u6240\u306b\u8ce2\u304f\u914d\u7f6e\u3059\u308b\u5de5\u592b\u304c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\r\n\t<li><strong>\u6ce8\u610f\u70b94\u300c\u304d\u308c\u3044\u306a\u7403\u5f62\u306e\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3092\u60f3\u5b9a\u3057\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u8ab2\u984c\u306b\u306f\uff1a<\/strong> k-means\u6cd5\u3068\u306f\u7570\u306a\u308b\u8003\u3048\u65b9\u3067\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3092\u884c\u3046\u300c<strong>\u968e\u5c64\u30af\u30e9\u30b9\u30bf\u30fc\u5206\u6790<\/strong>\u300d\u3084\u300c<strong>DBSCAN<\/strong>\u300d\u3068\u3044\u3063\u305f\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u624b\u6cd5\u306b\u3064\u3044\u3066\u3082\u5b66\u3093\u3067\u307f\u308b\u3068\u3001\u5206\u6790\u306e\u5e45\u304c\u5927\u304d\u304f\u5e83\u304c\u308a\u307e\u3059\u3002<\/li>\r\n<\/ul>\r\n<hr \/>\r\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u3001k-means\u6cd5\u304c\u3069\u306e\u3088\u3046\u306b\u52d5\u3044\u3066\u3044\u308b\u304b\u3001\u3088\u308a\u6df1\u304f\u3054\u7406\u89e3\u3044\u305f\u3060\u3051\u305f\u306a\u3089\u5e78\u3044\u3067\u3059\u3002<\/p>\r\n<p><!-- notionvc: 7461569b-9a9a-4024-8678-49259275c90c --><\/p>\r\n<p><!-- notionvc: 105941b2-f9f8-408f-9db6-0c98e7fd4c2a --><\/p>","protected":false},"excerpt":{"rendered":"<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u6559\u5e2b\u306a\u3057\u5b66\u7fd2\u306e\u4ee3\u8868\u7684\u306a\u624b\u6cd5\u3067\u3042\u308b\u300ck-means\u6cd5\uff08k\u5e73\u5747\u6cd5\uff09\u300d\u306b\u3064\u3044\u3066\u3001\u305d\u306e\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9\u304b\u3089\u89e3\u8aac\u3057\u307e\u3059\u3002\u4f3c\u305f\u3082\u306e\u540c\u58eb\u3092\u300c\u8ddd\u96e2\u300d\u3067\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3059\u308b\u4ed5\u7d44\u307f\uff08\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\uff09\u3084\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3051\u308b\u9867\u5ba2\u30bb\u30b0\u30e1\u30f3 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