{"id":127042,"date":"2025-11-05T20:27:46","date_gmt":"2025-11-05T11:27:46","guid":{"rendered":"https:\/\/adtechmanagement.com\/minnadepr-column\/?p=127042"},"modified":"2025-11-05T20:27:46","modified_gmt":"2025-11-05T11:27:46","slug":"koubai-toha","status":"publish","type":"post","link":"https:\/\/adtechmanagement.com\/minnadepr-column\/2025\/11\/05\/koubai-toha\/","title":{"rendered":"\u52fe\u914d\u3068\u306f\uff1f\u610f\u5473\u30fb\u8a08\u7b97\u65b9\u6cd5\u30fb\u65e5\u5e38\u30fb\u6280\u8853\u3067\u306e\u6d3b\u7528\u3092\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"

\u52fe\u914d\u306f\u3001\u5742\u9053\u3084\u30b0\u30e9\u30d5\u3001\u5efa\u7bc9\u3084\u571f\u6728\u5de5\u4e8b\u306a\u3069\u3001\u79c1\u305f\u3061\u306e\u8eab\u8fd1\u306a\u5834\u9762\u3067\u91cd\u8981\u306a\u6982\u5ff5\u3068\u3057\u3066\u767b\u5834\u3057\u307e\u3059\u3002\u6b63\u3057\u3044\u610f\u5473\u3084\u8a08\u7b97\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u65e5\u5e38\u751f\u6d3b\u3084\u6280\u8853\u5206\u91ce\u3067\u306e\u6d3b\u7528\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u52fe\u914d\u306e\u57fa\u672c\u304b\u3089\u5fdc\u7528\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n

1. \u52fe\u914d\u306e\u57fa\u672c\u7684\u306a\u610f\u5473<\/h2>\n

1-1. \u52fe\u914d\u3068\u306f\u4f55\u304b<\/h3>\n

\u52fe\u914d\u3068\u306f\u3001\u3042\u308b\u7dda\u3084\u9762\u304c\u6c34\u5e73\u306b\u5bfe\u3057\u3066\u3069\u306e\u7a0b\u5ea6\u50be\u3044\u3066\u3044\u308b\u304b\u3092\u793a\u3059\u6307\u6a19\u3067\u3059\u3002\u50be\u304d\u306e\u5ea6\u5408\u3044\u3092\u6570\u5024\u3067\u8868\u3059\u3053\u3068\u3067\u3001\u5742\u9053\u3084\u9053\u8def\u3001\u30b0\u30e9\u30d5\u306e\u5909\u5316\u3092\u5b9a\u91cf\u7684\u306b\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u306f\u300c\u9ad8\u3055\u306e\u5909\u5316 \u00f7 \u6c34\u5e73\u65b9\u5411\u306e\u8ddd\u96e2\u300d\u3067\u8868\u3055\u308c\u307e\u3059\u3002 <\/p>\n

1-2. \u52fe\u914d\u306e\u8868\u73fe\u65b9\u6cd5<\/h3>\n

\u52fe\u914d\u306f\u901a\u5e38\u3001\u30d1\u30fc\u30bb\u30f3\u30c8\uff08%\uff09\u3001\u6bd4\u7387\uff081\/10\u306a\u3069\uff09\u3001\u89d2\u5ea6\uff08\u5ea6\uff09\u3067\u8868\u3055\u308c\u307e\u3059\u3002 - \u4f8b\uff1a\u5742\u9053\u306e\u52fe\u914d10%\u306f\u3001\u6c34\u5e73\u8ddd\u96e2100m\u3067\u9ad8\u3055\u304c10m\u4e0a\u304c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 - \u4f8b\uff1a\u89d2\u5ea6\u3067\u8868\u3059\u5834\u5408\u3001\u50be\u304d\u03b8\u306ftan\u03b8 = \u9ad8\u3055 \u00f7 \u6c34\u5e73\u65b9\u5411\u306e\u8ddd\u96e2\u3067\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002 <\/p>\n

1-3. \u65e5\u5e38\u751f\u6d3b\u3067\u306e\u898b\u65b9<\/h3>\n

\u52fe\u914d\u306f\u9053\u8def\u3084\u968e\u6bb5\u3001\u5c4b\u6839\u306e\u50be\u304d\u306a\u3069\u3067\u898b\u3089\u308c\u307e\u3059\u3002\u6025\u306a\u5742\u9053\u3084\u968e\u6bb5\u3092\u6b69\u304f\u3068\u304d\u3001\u52fe\u914d\u306e\u9055\u3044\u304c\u4f53\u611f\u3067\u304d\u307e\u3059\u3002\u65e5\u5e38\u7684\u306b\u306f\u300c\u3053\u306e\u5742\u306f\u52fe\u914d\u304c\u304d\u3064\u3044\u300d\u3068\u3044\u3063\u305f\u8868\u73fe\u3067\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n

2. \u52fe\u914d\u306e\u7a2e\u985e<\/h2>\n

2-1. \u6c34\u5e73\u52fe\u914d<\/h3>\n

\u6c34\u5e73\u52fe\u914d\u306f\u3001\u6c34\u5e73\u9762\u306b\u5bfe\u3057\u3066\u306e\u50be\u304d\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u9053\u8def\u8a2d\u8a08\u3084\u5efa\u7bc9\u73fe\u5834\u3067\u6c34\u5e73\u52fe\u914d\u3092\u6b63\u78ba\u306b\u8a08\u7b97\u3059\u308b\u3053\u3068\u3067\u3001\u6c34\u306f\u3051\u3084\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002 <\/p>\n

2-2. \u5782\u76f4\u52fe\u914d<\/h3>\n

\u5782\u76f4\u52fe\u914d\u306f\u3001\u5efa\u7269\u3084\u6a4b\u3001\u5c71\u306e\u659c\u9762\u306a\u3069\u5782\u76f4\u65b9\u5411\u306b\u5bfe\u3059\u308b\u50be\u304d\u3092\u793a\u3057\u307e\u3059\u3002\u571f\u6728\u5de5\u4e8b\u3084\u5efa\u7bc9\u7269\u8a2d\u8a08\u3067\u306f\u5782\u76f4\u52fe\u914d\u3092\u6b63\u78ba\u306b\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002 <\/p>\n

2-3. \u5742\u9053\u3084\u9053\u8def\u306b\u304a\u3051\u308b\u52fe\u914d<\/h3>\n

\u9053\u8def\u3084\u5742\u9053\u306e\u52fe\u914d\u306f\u904b\u8ee2\u3084\u6b69\u884c\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002\u52fe\u914d\u304c\u6025\u3059\u304e\u308b\u3068\u8eca\u4e21\u306e\u8d70\u884c\u3084\u6b69\u884c\u304c\u56f0\u96e3\u306b\u306a\u308b\u305f\u3081\u3001\u5b89\u5168\u57fa\u6e96\u306b\u5f93\u3063\u305f\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

3. \u52fe\u914d\u306e\u8a08\u7b97\u65b9\u6cd5<\/h2>\n

3-1. \u57fa\u672c\u7684\u306a\u8a08\u7b97\u5f0f<\/h3>\n

\u52fe\u914d\u306f\u57fa\u672c\u7684\u306b\u4ee5\u4e0b\u306e\u5f0f\u3067\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002 - \u52fe\u914d(%) = (\u9ad8\u3055\u306e\u5909\u5316 \u00f7 \u6c34\u5e73\u65b9\u5411\u306e\u8ddd\u96e2) \u00d7 100 <\/p>\n

3-2. \u89d2\u5ea6\u3067\u306e\u8a08\u7b97<\/h3>\n

\u89d2\u5ea6\u3067\u52fe\u914d\u3092\u8868\u3059\u5834\u5408\u3001\u4e09\u89d2\u95a2\u6570\u3092\u7528\u3044\u307e\u3059\u3002 - \u03b8 = arctan(\u9ad8\u3055 \u00f7 \u6c34\u5e73\u65b9\u5411\u306e\u8ddd\u96e2) \u3053\u306e\u8a08\u7b97\u306b\u3088\u308a\u3001\u5742\u9053\u3084\u659c\u9762\u306e\u50be\u304d\u3092\u89d2\u5ea6\u3067\u6b63\u78ba\u306b\u8868\u73fe\u3067\u304d\u307e\u3059\u3002 <\/p>\n

3-3. \u5b9f\u52d9\u3067\u306e\u5fdc\u7528\u4f8b<\/h3>\n

\u5efa\u7bc9\u3084\u571f\u6728\u5de5\u4e8b\u3067\u306f\u3001\u52fe\u914d\u306e\u8a08\u7b97\u306b\u3088\u308a\u5c4b\u6839\u306e\u50be\u659c\u3084\u9053\u8def\u306e\u50be\u304d\u3001\u6392\u6c34\u306e\u52b9\u7387\u306a\u3069\u3092\u8a2d\u8a08\u3057\u307e\u3059\u3002\u8a08\u7b97\u7cbe\u5ea6\u304c\u5b89\u5168\u6027\u3084\u5229\u4fbf\u6027\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p>\n

4. \u52fe\u914d\u306e\u5358\u4f4d\u3068\u8868\u73fe<\/h2>\n

4-1. \u30d1\u30fc\u30bb\u30f3\u30c8\u8868\u793a<\/h3>\n

\u6700\u3082\u4e00\u822c\u7684\u306a\u306e\u306f\u30d1\u30fc\u30bb\u30f3\u30c8\u8868\u793a\u3067\u3059\u300210%\u306e\u52fe\u914d\u306f\u6c34\u5e73\u8ddd\u96e2100m\u3067\u9ad8\u305510m\u306e\u4e0a\u6607\u3092\u793a\u3057\u307e\u3059\u3002\u9053\u8def\u6a19\u8b58\u3084\u5de5\u4e8b\u8a2d\u8a08\u3067\u3082\u4f7f\u308f\u308c\u307e\u3059\u3002 <\/p>\n

4-2. \u89d2\u5ea6\u8868\u793a<\/h3>\n

\u89d2\u5ea6\u8868\u793a\u306f\u52fe\u914d\u3092\u8996\u899a\u7684\u306b\u7406\u89e3\u3057\u3084\u3059\u304f\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002tan\u03b8 = \u9ad8\u3055 \u00f7 \u6c34\u5e73\u8ddd\u96e2\u3067\u8a08\u7b97\u3055\u308c\u3001\u659c\u9762\u306e\u50be\u304d\u3084\u5742\u9053\u306e\u89d2\u5ea6\u3092\u793a\u3057\u307e\u3059\u3002 <\/p>\n

4-3. \u6bd4\u7387\u8868\u793a<\/h3>\n

\u6bd4\u7387\u3067\u8868\u3059\u5834\u5408\u30011:10\u306e\u3088\u3046\u306b\u8868\u8a18\u3055\u308c\u307e\u3059\u3002\u9ad8\u30551\u306b\u5bfe\u3057\u3066\u6c34\u5e73\u8ddd\u96e210\u3068\u3044\u3046\u610f\u5473\u3067\u3001\u571f\u6728\u5de5\u4e8b\u3084\u8a2d\u8a08\u56f3\u3067\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n

5. \u52fe\u914d\u306e\u5fdc\u7528\u5206\u91ce<\/h2>\n

5-1. \u5efa\u7bc9\u5206\u91ce\u3067\u306e\u6d3b\u7528<\/h3>\n

\u5c4b\u6839\u3084\u968e\u6bb5\u3001\u30b9\u30ed\u30fc\u30d7\u306e\u8a2d\u8a08\u3067\u306f\u52fe\u914d\u304c\u91cd\u8981\u3067\u3059\u3002\u96e8\u6c34\u6392\u6c34\u3084\u5b89\u5168\u6027\u3092\u8003\u616e\u3057\u305f\u9069\u5207\u306a\u52fe\u914d\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3059\u3002 <\/p>\n

5-2. \u9053\u8def\u8a2d\u8a08\u3067\u306e\u6d3b\u7528<\/h3>\n

\u9053\u8def\u306e\u52fe\u914d\u306f\u8eca\u4e21\u306e\u904b\u8ee2\u3084\u30d6\u30ec\u30fc\u30ad\u52b9\u7387\u3001\u6392\u6c34\u6027\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u6025\u52fe\u914d\u306e\u9053\u8def\u306f\u904b\u8ee2\u6280\u8853\u3084\u8eca\u4e21\u6027\u80fd\u3082\u8003\u616e\u3055\u308c\u307e\u3059\u3002 <\/p>\n

5-3. \u6a5f\u68b0\u5b66\u7fd2\u3084\u30c7\u30fc\u30bf\u5206\u6790\u3067\u306e\u52fe\u914d<\/h3>\n

\u610f\u5916\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u52fe\u914d\u306f\u6570\u5b66\u3084\u30c7\u30fc\u30bf\u5206\u6790\u3067\u3082\u91cd\u8981\u3067\u3059\u3002\u52fe\u914d\u964d\u4e0b\u6cd5\uff08Gradient Descent\uff09\u306f\u3001\u6700\u9069\u89e3\u3092\u898b\u3064\u3051\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u7528\u3044\u3089\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u52fe\u914d\u304c\u95a2\u6570\u306e\u50be\u304d\u3092\u793a\u3059\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n

6. \u52fe\u914d\u3092\u7406\u89e3\u3059\u308b\u969b\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n

6-1. \u52fe\u914d\u3068\u50be\u659c\u306e\u9055\u3044<\/h3>\n

\u50be\u659c\u306f\u4e00\u822c\u7684\u306a\u50be\u304d\u306e\u610f\u5473\u3067\u4f7f\u308f\u308c\u307e\u3059\u304c\u3001\u52fe\u914d\u306f\u6570\u5024\u5316\u3055\u308c\u305f\u5177\u4f53\u7684\u306a\u50be\u304d\u306e\u6307\u6a19\u3067\u3059\u3002\u8a2d\u8a08\u3084\u8a08\u7b97\u3067\u306f\u52fe\u914d\u3068\u3044\u3046\u8a00\u8449\u304c\u3088\u308a\u6b63\u78ba\u3067\u3059\u3002 <\/p>\n

6-2. \u5b89\u5168\u6027\u3068\u306e\u95a2\u4fc2<\/h3>\n

\u5742\u9053\u3084\u5c4b\u6839\u3001\u9053\u8def\u306e\u52fe\u914d\u306f\u3001\u5b89\u5168\u6027\u3084\u5229\u4fbf\u6027\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002\u52fe\u914d\u304c\u6025\u3059\u304e\u308b\u3068\u6ed1\u843d\u3084\u4e8b\u6545\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002 <\/p>\n

6-3. \u6e2c\u5b9a\u65b9\u6cd5\u306e\u91cd\u8981\u6027<\/h3>\n

\u52fe\u914d\u3092\u6b63\u78ba\u306b\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u6c34\u6e96\u5668\u3084\u6e2c\u91cf\u6a5f\u5668\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30c7\u30b8\u30bf\u30eb\u6a5f\u5668\u3092\u7528\u3044\u305f\u6e2c\u5b9a\u3082\u5e83\u304f\u666e\u53ca\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

7. \u307e\u3068\u3081<\/h2>\n

\u52fe\u914d\u3068\u306f\u3001\u6c34\u5e73\u306b\u5bfe\u3059\u308b\u50be\u304d\u3084\u50be\u659c\u3092\u6570\u5024\u3067\u8868\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u5efa\u7bc9\u3084\u9053\u8def\u8a2d\u8a08\u3001\u571f\u6728\u5de5\u4e8b\u3060\u3051\u3067\u306a\u304f\u3001\u30c7\u30fc\u30bf\u5206\u6790\u3084\u6570\u5b66\u7684\u5fdc\u7528\u306b\u3082\u6d3b\u7528\u3055\u308c\u307e\u3059\u3002\u6b63\u3057\u3044\u8a08\u7b97\u65b9\u6cd5\u3084\u8868\u73fe\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u65e5\u5e38\u751f\u6d3b\u304b\u3089\u5c02\u9580\u5206\u91ce\u307e\u3067\u5e45\u5e83\u304f\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002\u5b89\u5168\u6027\u3084\u52b9\u7387\u6027\u3092\u8003\u616e\u3057\u305f\u52fe\u914d\u8a2d\u8a08\u306f\u3001\u73fe\u4ee3\u793e\u4f1a\u306b\u304a\u3044\u3066\u6b20\u304b\u305b\u306a\u3044\u6982\u5ff5\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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