{"id":1126,"date":"2019-11-03T12:20:29","date_gmt":"2019-11-03T03:20:29","guid":{"rendered":"https:\/\/tnishimaki.com\/?p=1126"},"modified":"2025-06-09T20:46:57","modified_gmt":"2025-06-09T11:46:57","slug":"%e3%83%a9%e3%83%b3%e3%82%ad%e3%83%b3%e3%82%b0%e3%82%92%e8%80%83%e6%85%ae%e3%81%97%e3%81%9f%e6%80%a7%e8%83%bd%e6%8c%87%e6%a8%99%e3%80%8c%e5%b9%b3%e5%9d%87%e9%81%a9%e5%90%88%e7%8e%87average-precision","status":"publish","type":"post","link":"https:\/\/analysis-navi.com\/?p=1126","title":{"rendered":"\u300c\u5e73\u5747\u9069\u5408\u7387\u300d\u3068\u300cMAP\u300d\u306e\u610f\u5473"},"content":{"rendered":"\n

\u4e88\u6e2c\u3055\u308c\u305f\u300c\u30e9\u30f3\u30ad\u30f3\u30b0\u300d\u304c\u3069\u308c\u3060\u3051\u6b63\u89e3\u306b\u8fd1\u3044\u304b\u3092\u8a55\u4fa1\u3057\u305f\u3044\u4e8b\u304c\u3042\u308a\u307e\u3059\u3002
\u4f8b\u3048\u3070\u3001Google\u306e\u3088\u3046\u306a\u6587\u7ae0\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u3002
\u4f8b\u3048\u3070\u300c\u4eba\u5de5\u77e5\u80fd\u3000\u4ed5\u7d44\u307f\u300d<\/strong>\u3068\u3044\u3046\u8a00\u8449\u3067\u691c\u7d22\u3057\u305f\u3068\u3059\u308b\u3068\u3001\u95a2\u9023\u3059\u308b\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u304c\u4e0a\u4f4d\u306b\u5927\u91cf\u306b\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u4eba\u5de5\u77e5\u80fd\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u8ff0\u3079\u305f\u30da\u30fc\u30b8\u304c5000\u30da\u30fc\u30b8\u3042\u3063\u305f\u3068\u3057\u3066\u3001\u305d\u306e\u5168\u3066\u304c\u4e0a\u4f4d5000\u4f4d\u306b\u56fa\u307e\u3063\u3066\u3044\u308c\u3070\u5b8c\u74a7\u3067\u3059\u3002
\u3057\u304b\u3057\u3001\u5b9f\u969b\u306b\u305d\u3046\u306a\u3063\u3066\u3044\u308b\u3068\u306f\u8003\u3048\u3065\u3089\u304f\u30011000\u4f4d\u304f\u3089\u3044\u306e\u9806\u4f4d\u306b\u306a\u3063\u3066\u304f\u308b\u3068\u3001\u3042\u307e\u308a\u95a2\u4fc2\u7121\u3044\u30da\u30fc\u30b8\u3082\u5f90\u3005\u306b\u30e9\u30f3\u30ad\u30f3\u30b0\u306b\u73fe\u308c\u308b<\/span><\/strong>\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u3053\u306e\u3088\u3046\u306b\u3001\u6b63\u89e3\u304c\u8907\u6570\u3042\u308a\u3001\u7d50\u679c\u304c\u30e9\u30f3\u30ad\u30f3\u30b0\u3068\u306a\u3063\u3066\u3044\u308b\u6027\u8cea\u3092\u6301\u3063\u305f\u3082\u306e\u306e\u6027\u80fd\u3092\u6e2c\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002
\u305d\u306e\u65b9\u6cd5\u3082\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u305d\u306e\u4e2d\u3067\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u624b\u6cd5\u3067\u3042\u308b\u300c\u5e73\u5747\u9069\u5408\u7387\u300d<\/strong>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u5e73\u5747\u9069\u5408\u7387(Average Precision)<\/h2>\n\n\n\n

\u5358\u8a9e\u3060\u3051\u898b\u3066\u3057\u307e\u3046\u3068\u52d8\u9055\u3044\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u304c\u3001\u300c\u5e73\u5747\u9069\u5408\u7387\u300d\u306f\u5168\u8981\u7d20\u306e\u300c\u9069\u5408\u7387\u300d\u3092\u5358\u7d14\u306b\u5e73\u5747\u3057\u305f\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3054\u6ce8\u610f\u4e0b\u3055\u3044\u3002<\/span><\/strong><\/p>\n\n\n\n

\u3053\u3053\u3067\u3001\u30e9\u30f3\u30ad\u30f3\u30b0\u306e1\u4f4d\u30014\u4f4d\u30015\u4f4d\u30fb\u30fb\u30fb\u306b\u6b63\u89e3\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002
\u30e9\u30f3\u30ad\u30f3\u30b01\u4f4d\u307e\u3067\u3092\u898b\u305f\u6642\u306e\u9069\u5408\u7387\u3001\u30e9\u30f3\u30ad\u30f3\u30b04\u4f4d\u307e\u3067\u3092\u898b\u305f\u6642\u306e\u9069\u5408\u7387\u3001\u30e9\u30f3\u30ad\u30f3\u30b05\u4f4d\u307e\u3067\u3092\u898b\u305f\u6642\u306e\u9069\u5408\u7387\u30fb\u30fb\u30fb\u3092\u3001\u3059\u3079\u3066\u8a08\u7b97\u3057\u3066\u3044\u304d\u307e\u3059\u3002
\u3053\u306e\u5e73\u5747\u5024\u3053\u305d\u304c\u3001\u300c\u5e73\u5747\u518d\u73fe\u7387(Average Precision)\u300d<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n

\nhttps:\/\/analysis-navi.com\/?p=550\n<\/div><\/figure>\n\n\n\n

\u6587\u7ae0\u3060\u3068\u5206\u304b\u308a\u3065\u3089\u3044\u306e\u3067\u3001\u56f3\u306b\u3057\u3066\u307f\u307e\u3059\u3002
\"\"<\/p>\n\n\n\n

\u3053\u306e\u30ec\u30b3\u30e1\u30f3\u30c9\u306e\u7cbe\u5ea6\u306f0.7\u3060\u3068\u8a08\u7b97\u3055\u308c\u308b\u3088\u3046\u3067\u3059\u3002

\u4eee\u306b\u6b63\u89e3\u304c\u3059\u3079\u3066\u30e9\u30f3\u30ad\u30f3\u30b0\u4e0a\u4f4d\u306b\u5bc4\u3063\u3066\u3044\u305f\u3089\u3001\\(\\frac{1}{1}+\\frac{2}{2}+\\frac{3}{3}+\\)…\u306e\u5e73\u5747\u5024\u3001\u3068\u3044\u3046\u4e8b\u3067\u5e73\u5747\u9069\u5408\u7387\u306f\u300c1\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

Mean Average Precision<\/h2>\n\n\n\n

\u300cMean Average Precision\u300d\u3001\u901a\u79f0MAP\u3068\u547c\u3070\u308c\u308b\u6307\u6a19\u306b\u3064\u3044\u3066\u3067\u3059\u3002
\u300cMean\u300d\u3082\u300cAverage\u300d\u3082\u548c\u8a33\u3059\u308b\u3068\u300c\u5e73\u5747\u300d\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u9069\u5207\u306a\u548c\u8a33\u304c\u96e3\u3057\u3044\u304b\u3089\u304b\u3001\u65e5\u672c\u3067\u3082\u4e00\u822c\u7684\u306b\u300cMAP\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/span><\/strong><\/p>\n\n\n\n

\u3053\u308c\u306f\u3001\u5358\u306b\u8a66\u9a13\u30c7\u30fc\u30bf\u5168\u3066\u306b\u304a\u3051\u308b\u300c\u5e73\u5747\u518d\u73fe\u7387\u300d\u3092\u5e73\u5747\u3057\u305f\u3082\u306e\u3067\u3059\u3002
\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u30922\u3064\u7528\u610f\u3057\u3066\u30011\u3064\u76ee\u306b\u304a\u3051\u308b\u5e73\u5747\u518d\u73fe\u7387(AP)\u304c0.7\u30012\u3064\u76ee\u306b\u304a\u3051\u308b\u5e73\u5747\u518d\u73fe\u7387\u304c0.5\u306a\u3089\u3070\u3001MAP\u306f0.6\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u4e00\u822c\u7684\u306b\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u304c1\u3064\u3067\u3042\u308b\u4e8b\u306f\u7121\u3044\u306e\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u6027\u80fd\u6307\u6a19\u3068\u3057\u3066\u306f\u3053\u3061\u3089\u306eMAP\u3092\u4f7f\u3046\u3053\u3068\u306b\u306a\u308b\u5834\u5408\u304c\u591a\u3044<\/span><\/strong>\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u6253\u3061\u5207\u308a<\/h2>\n\n\n\n

\u5148\u7a0b\u306eGoogle\u691c\u7d22\u306e\u4f8b\u306e\u3088\u3046\u306b\u3001\u691c\u7d22\u5bfe\u8c61\u3082\u6b63\u89e3\u3082\u5c71\u307b\u3069\u3042\u308b\u3068\u8a08\u7b97\u304c\u5927\u5909\u3067\u3059\u3002
\u691c\u7d22\u7d50\u679c\u306f\u4f55\u5343\u4e07\u4ef6\u3082\u5f15\u3063\u304b\u304b\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u691c\u7d22\u9806\u4f4d10000\u4f4d\u308420000\u4f4d\u306a\u3093\u3066\u6b86\u3069\u306e\u4eba\u304c\u898b\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

\u306a\u306e\u3067\u3001\u5e73\u5747\u9069\u5408\u7387\u306e\u8a08\u7b97\u3082\u3001\u3042\u308b\u7a0b\u5ea6\u306e\u9806\u4f4d\u3067\u6253\u3061\u5207\u3063\u3066\u3082\u554f\u984c\u306a\u3055\u305d\u3046<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n

\u5e73\u5747\u518d\u73fe\u7387\u306e\u8a08\u7b97\u3092100\u4f4d\u307e\u3067\u3067\u6253\u3061\u5207\u308b\u5834\u5408\u3001\u300cAP@100\u300d<\/strong>\u3068\u3044\u3046\u3088\u3046\u306b\u8868\u73fe\u3057\u307e\u3059\u3002
\u540c\u69d8\u306b\u300cMAP@100\u300d<\/strong>\u3068\u3044\u3046\u8868\u8a18\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u3069\u3053\u307e\u3067\u306e\u9806\u4f4d\u3092\u78ba\u8a8d\u3059\u3079\u304d\u304b\u306f\u6642\u3068\u5834\u5408\u306b\u3088\u3063\u3066\u5909\u308f\u308a\u307e\u3059\u3002
\u5168\u4f53\u6570\u304c\u5c11\u306a\u3051\u308c\u3070\u5168\u90e8\u4f7f\u3063\u3066\u3082\u826f\u3044\u3067\u3059\u3057\u3001\u4e0a\u4f4d10\u4ef6\u4ee5\u5916\u306f\u3069\u3046\u3067\u3082\u826f\u3044\u306a\u3089MAP@10\u3092\u4f7f\u3046\u306a\u3069\u3001\u81e8\u6a5f\u5fdc\u5909\u306b\u4f7f\u3044\u5206\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

\u304a\u308f\u308a\u306b<\/h2>\n\n\n\n

\u30e9\u30f3\u30ad\u30f3\u30b0\u3092\u8003\u616e\u3057\u305f\u6027\u80fd\u6307\u6a19\u306fAP\u3001MAP\u4ee5\u5916\u306b\u3082\u8272\u3005\u3068\u3042\u308a\u307e\u3059\u3002
\u3057\u304b\u3057\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u624b\u6cd5\u306e\u4e2d\u3067\u306f\u3053\u308c\u304c\u6700\u3082\u591a\u7528\u3055\u308c\u308b\u624b\u6cd5\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n

\u6c7a\u3057\u3066\u8a08\u7b97\u306e\u7406\u8ad6\u304c\u96e3\u3057\u3044\u624b\u6cd5\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u6b63\u3057\u304f\u7406\u8ad6\u3092\u7406\u89e3\u3057\u3001\u3088\u308a\u52b9\u679c\u7684\u306a\u6027\u80fd\u6307\u6a19\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e88\u6e2c\u3055\u308c\u305f\u300c\u30e9\u30f3\u30ad\u30f3\u30b0\u300d\u304c\u3069\u308c\u3060\u3051\u6b63\u89e3\u306b\u8fd1\u3044\u304b\u3092\u8a55\u4fa1\u3057\u305f\u3044\u4e8b\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001Google\u306e\u3088\u3046\u306a\u6587\u7ae0\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u3002\u4f8b\u3048\u3070\u300c\u4eba\u5de5\u77e5\u80fd\u3000\u4ed5\u7d44\u307f\u300d\u3068\u3044\u3046\u8a00\u8449\u3067\u691c\u7d22\u3057\u305f\u3068\u3059\u308b\u3068\u3001\u95a2\u9023\u3059\u308b\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u304c\u4e0a\u4f4d\u306b\u5927\u91cf\u306b\u51fa\u3066\u304d\u307e\u3059\u3002 […]<\/p>\n","protected":false},"author":1,"featured_media":5113,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"swell_btn_cv_data":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[129],"tags":[101,135],"class_list":["post-1126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-study","tag-ml","tag-135"],"_links":{"self":[{"href":"https:\/\/analysis-navi.com\/index.php?rest_route=\/wp\/v2\/posts\/1126","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analysis-navi.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analysis-navi.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analysis-navi.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analysis-navi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1126"}],"version-history":[{"count":18,"href":"https:\/\/analysis-navi.com\/index.php?rest_route=\/wp\/v2\/posts\/1126\/revisions"}],"predecessor-version":[{"id":5127,"href":"https:\/\/analysis-navi.com\/index.php?rest_route=\/wp\/v2\/posts\/1126\/revisions\/5127"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/analysis-navi.com\/index.php?rest_route=\/wp\/v2\/media\/5113"}],"wp:attachment":[{"href":"https:\/\/analysis-navi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analysis-navi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analysis-navi.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}