{"id":38800,"date":"2019-05-13T00:00:10","date_gmt":"2019-05-12T16:00:10","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=38800"},"modified":"2022-01-04T02:37:59","modified_gmt":"2022-01-03T18:37:59","slug":"%e8%b3%87%e6%96%99%e4%b9%9f%e6%9c%89%e6%88%90%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=38800","title":{"rendered":"\u8cc7\u6599\u4e5f\u6709\u6210\u672c"},"content":{"rendered":"<div class=\"single-post-media clr\">\n<div class=\"post-thumbnail\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2019\/05\/budget-trade-off.jpg\" alt=\"\u8cc7\u6599\u4e5f\u6709\u6210\u672c\" width=\"500\" height=\"333\" \/><\/div>\n<\/div>\n<div class=\"entry clr\">\n<div class=\"pf-content\">\n<p><strong>\u7de8\u8b6f\uff0f\u9673\u5101\u7ff0<\/strong><\/p>\n<p><strong>\u8cc7\u6599\u7684\u6210\u672c<\/strong><\/p>\n<p>\u4e00\u822c\u4f86\u8aaa\uff0c\u6a5f\u5668\u5b78\u7fd2\u4f7f\u7528\u7684\u8cc7\u6599\uff0c\u6703\u5305\u542b\u8a31\u591a\u300c\u7279\u5fb5\u300d\uff08feature\uff09\u3002\u4f8b\u5982\u6211\u5011\u53ef\u80fd\u6703\u9078\u53d6\u9aa8\u9abc\u5bc6\u5ea6\u3001\u8840\u58d3\u3001\u7532\u72c0\u817a\u6fc0\u7d20\u6fc3\u5ea6\u3001\u8eab\u9ad8\u3001\u9ad4\u91cd\u3001\u6027\u5225\u7b49\u300c\u7279\u5fb5\u300d\uff0c\u4f5c\u70ba\u9810\u6e2c\u4e00\u500b\u4eba\u5065\u5eb7\u8207\u5426\u7684\u4f9d\u64da\u3002\u70ba\u907f\u514d\u6feb\u7528\uff0c\u4f7f\u7528\u8005\u5fc5\u9808\u4ed8\u51fa\u4e00\u5b9a\u7684\u6210\u672c\u53d6\u5f97\u9019\u4e9b\u8cc7\u6599\uff0c\u9664\u91d1\u9322\u8cbb\u7528\u5916\uff0c\u5c1a\u5305\u62ec\u96b1\u79c1\u6b0a\u3001\u75c5\u60a3\u7684\u6297\u62d2\u8207\u4e0d\u9069\u5fc3\u7406\u7b49\u770b\u4e0d\u898b\u7684\u5916\u90e8\u6210\u672c\u3002<\/p>\n<p>\u9019\u4e5f\u884d\u751f\u51fa\u53e6\u4e00\u500b\u554f\u984c\uff1a\u6bcf\u4e00\u500b\u7279\u5fb5\u7684\u53d6\u5f97\u6210\u672c\u662f\u591a\u5c11\uff1f\u63db\u53e5\u8a71\u8aaa\uff0c\u6211\u5011\u5982\u4f55\u8a08\u7b97\u53d6\u5f97\u300c\u9aa8\u9abc\u5bc6\u5ea6\u300d\u9019\u9805\u8cc7\u6599\u9700\u8981\u4ed8\u51fa\u591a\u5c11\u6210\u672c\uff0c\u624d\u80fd\u6709\u6548\u907f\u514d\u8cc7\u6599\u6feb\u7528\uff0c\u537b\u53c8\u4e0d\u81f3\u65bc\u627c\u6bba\u76f8\u95dc\u7814\u7a76\uff1f\u9019\u5c0d\u90a3\u4e9b\u4ef0\u8cf4\u79c1\u5bc6\u8cc7\u6599\uff0c\u5c24\u5176\u5728\u91ab\u7642\u885b\u751f\u9818\u57df\u4e0a\u7684\u6a5f\u5668\u5b78\u7fd2\u61c9\u7528\uff0c\u81f3\u95dc\u91cd\u8981\u3002\u52a0\u5dde\u5927\u5b78\u6d1b\u6749\u78ef\u5206\u6821\u7684\u7814\u7a76\u5718\u968a\u5c31\u6b64\u63d0\u51fa\u4e00\u5957\u53ef\u4ee5\u4e00\u9ad4\u9069\u7528\u7684\u6846\u67b6\uff0c\u4f86\u89e3\u6c7a\u9019\u985e\u554f\u984c\u3002\u4ee5\u4e0b\uff0c\u6211\u5011\u5206\u4e09\u6b65\u9a5f\u2500\u8cc7\u6599\u7684\u9810\u8655\u7406\u3001\u6307\u6d3e\u6210\u672c\u53ca\u6210\u672c\u654f\u611f\u5b78\u7fd2\u6f14\u7b97\u6cd5\uff08cost-sensitive learning\uff09\u2500\u7c21\u55ae\u4ecb\u7d39\u3002<\/p>\n<p><strong>\u8cc7\u6599\u7684\u9810\u8655\u7406<\/strong><\/p>\n<p>\u7814\u7a76\u5718\u968a\u64f7\u53d6\u300c\u7f8e\u570b\u5168\u570b\u5065\u5eb7\u8207\u71df\u990a\u9ad4\u6aa2\u8abf\u67e5\u300d\uff08National Health and Nutrition Examination Survey\uff0cNHANES\uff091999\u5e74\u81f32016\u5e74\u9593\uff0c\u7531\u6578\u5343\u4f4d\u6210\u4eba\u8207\u5b69\u7ae5\u6536\u96c6\u800c\u4f86\u7684\u5065\u5eb7\u8cc7\u6599\u3002\u6709\u5225\u65bc\u4ee5\u5f80\u985e\u4f3c\u7814\u7a76\u591a\u63a1\u7528\u5408\u6210\u8cc7\u6599\uff0c\u771f\u5be6\u8cc7\u6599\u9664\u4e86\u96e3\u4ee5\u8ffd\u8e64\u8207\u4f30\u7b97\u53d6\u5f97\u6210\u672c\u5916\uff0c\u4e5f\u5f80\u5f80\u593e\u96dc\u8a31\u591a\u7121\u95dc\u7684\u8cc7\u8a0a\u3002\u6211\u5011\u53ef\u4ee5\u5148\u5254\u9664\u9019\u4e9b\u96dc\u8a0a\uff0c\u964d\u4f4e\u6f5b\u5728\u6210\u672c\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5149\u662fNHANES\u7684\u8cc7\u6599\u5c31\u542b\u67099,385\u7a2e\u7279\u5fb5\uff0c\u800c\u5be6\u969b\u61c9\u7528\u65bc\u7cd6\u5c3f\u75c5\u9810\u6e2c\u7684\u50c545\u7a2e\u3002<\/p>\n<p><strong>\u6307\u6d3e\u6210\u672c<\/strong><\/p>\n<p>\u73fe\u5728\u6211\u5011\u8981\u4f86\u89e3\u6c7a\u6700\u57fa\u672c\u7684\u554f\u984c\uff1a\u300c\u6bcf\u4e00\u500b\u7279\u5fb5\u7684\u53d6\u5f97\u6210\u672c\u662f\u591a\u5c11\uff1f\u300d\u7814\u7a76\u4eba\u54e1\u5229\u7528Amazon Mechanical Turk\uff08MTurk\uff09\u670d\u52d9\u4f86\u6a19\u8a18\u7279\u5fb5\u7684\u53d6\u5f97\u6210\u672c\u3002MTurk\u662f\u4e00\u500b\u4eba\u5de5\u667a\u80fd\u4efb\u52d9\u7684\u5916\u5305\u5e73\u53f0\uff0c\u696d\u4e3b\u53ef\u4ee5\u5728\u9019\u500b\u5e73\u53f0\u767c\u5e03\u4efb\u52d9\uff0c\u4ea4\u7531\u81ea\u7531\u5de5\u4f5c\u8005\u627f\u652c\uff0c\u4f8b\u5982\u6846\u9078\u51fa\u76ee\u6a19\u7269\u4ef6\uff0c\u6216\u91dd\u5c0d\u7269\u54c1\u7684\u7f8e\u89c0\u7a0b\u5ea6\u8a55\u5206\uff0c\u4ee5\u7372\u5f97\u76f8\u5c0d\u7684\u5831\u916c\u3002<\/p>\n<p>\u7814\u7a76\u5718\u968a\u5229\u7528\u9019\u500b\u5e73\u53f0\uff0c\u8a2d\u8a08\u51fa\u4e00\u7cfb\u5217\u7684\u554f\u984c\uff0c\u4e26\u5047\u8a2d\u9019\u4e9b\u8cc7\u8a0a\u90fd\u662f\u8207\u5065\u5eb7\u76f8\u95dc\u7684\u6709\u7528\u8cc7\u8a0a\uff0c\u4ee5\u514d\u5f71\u97ff\u8cc7\u6599\u6240\u6709\u4eba\u300c\u51fa\u552e\u300d\u9019\u4e9b\u8cc7\u8a0a\u7684\u610f\u9858\uff0c\u4e26\u8981\u6c42\u8cc7\u6599\u6240\u6709\u4eba\u81ea\u884c\u70ba\u9019\u4e9b\u8cc7\u8a0a\u7684\u53d6\u5f97\u8a02\u50f9\uff0c\u4ee5\u91cf\u5316\u9019\u4e9b\u7279\u5fb5\u7684\u53d6\u5f97\u6210\u672c\u3002<\/p>\n<p><strong>\u6210\u672c\u654f\u611f\u5b78\u7fd2\u6f14\u7b97\u6cd5<\/strong><\/p>\n<p>\u7576\u6709\u4e86\u7279\u5fb5\u7684\u53d6\u5f97\u6210\u672c\u5f8c\uff0c\u7814\u7a76\u5718\u968a\u4fbf\u53ef\u5229\u7528\u6210\u672c\u654f\u611f\u5b78\u7fd2\u6f14\u7b97\u6cd5\u4f86\u89e3\u6c7a\u6a5f\u5668\u5b78\u7fd2\u5e38\u898b\u7684\u5206\u985e\u554f\u984c\uff0c\u4f8b\u5982\u5224\u65b7\u76ee\u6a19\u662f\u5426\u6709\u5f97\u5230\u67d0\u7279\u5b9a\u75be\u75c5\u7684\u6f5b\u5728\u98a8\u96aa\u3002\u6210\u672c\u654f\u611f\u5b78\u7fd2\u6f14\u7b97\u6cd5\u53ef\u5927\u81f4\u5206\u70ba\u5169\u7a2e\uff1a\u4e00\u662f\u57fa\u65bc\u654f\u611f\u5ea6\uff0c\u4e00\u662f\u57fa\u65bc\u5f37\u5316\u5b78\u7fd2\u3002\u5169\u8005\u6709\u8457\u76f8\u540c\u7684\u6838\u5fc3\u7406\u5ff5\uff1a\u53d6\u5f97\u7279\u5fb5\u662f\u9700\u8981\u6210\u672c\u7684\uff0c\u6545\u82e5A\u7279\u5fb5\u53ef\u4ee5\u8b93\u6f14\u7b97\u6cd5\u5728\u4e0d\u63d0\u9ad8\u592a\u591a\u6210\u672c\u7684\u524d\u63d0\u4e0b\uff0c\u986f\u8457\u63d0\u5347\u9810\u6e2c\u7684\u6e96\u78ba\u6027\uff0c\u5247\u6f14\u7b97\u6cd5\u50be\u5411\u9078\u53d6\u8a72\u7279\u5fb5\u3002\u5169\u7a2e\u65b9\u6cd5\u7684\u5dee\u5225\u53ea\u5728\u65bc\uff1a\u524d\u8005\u662f\u4f30\u8a08\u5728\u7279\u5b9a\u6642\u9593\u9078\u53d6\u67d0\u7279\u5fb5\u7684\u6e96\u78ba\u5ea6\u671f\u671b\u503c\uff1b\u5f8c\u8005\u5247\u662f\u76f4\u63a5\u4efb\u9078\u4e00\u7279\u5fb5\uff0c\u518d\u6839\u64da\u9078\u53d6\u5f8c\u7684\u56de\u994b\u4f86\u8abf\u6574\u9078\u64c7\u7b56\u7565\u3002<\/p>\n<div id=\"attachment_81783\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-81783\" src=\"https:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2019\/05\/accuracy-cost.png\" alt=\"\" width=\"565\" height=\"386\" \/><\/p>\n<p class=\"wp-caption-text\">\uff08\u4f86\u6e90\uff1aKachuee et al., 2019.\uff09<\/p>\n<\/div>\n<p>\u7814\u7a76\u4eba\u54e1\u5617\u8a66\u4e86\u4e0d\u540c\u6210\u672c\u654f\u611f\u5b78\u7fd2\u6f14\u7b97\u6cd5\uff0c\u4e0a\u5716\u70ba\u9810\u6e2c\u7d50\u679c\u3002\u6a6b\u8ef8\u70ba\u6210\u672c\uff0c\u7e31\u8ef8\u70ba\u7cd6\u5c3f\u75c5\u7684\u9810\u6e2c\u6e96\u78ba\u5ea6\uff0c\u8868\u73fe\u8f03\u597d\u7684\u662f\u662f\u57fa\u65bc\u654f\u611f\u5ea6\u7684FACT\uff08\u6a58\u7dda\uff09\u8207\u57fa\u65bc\u5f37\u5316\u5b78\u7fd2\u7684OL\uff08\u85cd\u7dda\uff09\u6f14\u7b97\u6cd5\u3002\u6211\u5011\u53ef\u4ee5\u770b\u5230\uff1a\u7576\u6210\u672c\uff08\u6a6b\u8ef8\uff09\u9ad8\u65bc50\u500b\u55ae\u4f4d\u5f8c\uff0c\u5373\u4f7f\u82b1\u8cbb\u66f4\u591a\u7684\u6210\u672c\uff0c\u5169\u7a2e\u6f14\u7b97\u6cd5\u7684\u6e96\u78ba\u5ea6\u589e\u5e45\u90fd\u4e0d\u660e\u986f\u3002<\/p>\n<p>\u9019\u5927\u5927\u9ad4\u73fe\u4e86\u6210\u672c\u654f\u611f\u5b78\u7fd2\u6f14\u7b97\u6cd5\u7684\u50f9\u503c\uff1a\u4e00\u500b\u5c08\u6848\u901a\u5e38\u6709\u56fa\u5b9a\u7684\u9810\u7b97\uff0c\u6211\u5011\u5fc5\u9808\u5728\u9019\u6a23\u7684\u524d\u63d0\u4e0b\u76e1\u91cf\u63d0\u9ad8\u9810\u6e2c\u6e96\u78ba\u5ea6\uff0c\u5728\u6e96\u78ba\u5ea6\u8207\u8cc7\u6599\u53d6\u5f97\u6210\u672c\u9593\u53d6\u5f97\u5e73\u8861\u3002\u800cMTurk\u5247\u53ef\u4f5c\u70ba\u6210\u672c\u6a19\u8a18\u7684\u8f14\u52a9\u5de5\u5177\uff0c\u914d\u5408\u8cc7\u6599\u9810\u8655\u7406\uff0c\u89e3\u6c7a\u6a5f\u5668\u5b78\u7fd2\u5728\u5be6\u52d9\u4e0a\u6240\u9762\u81e8\u8cc7\u6599\u6210\u672c\u7684\u554f\u984c\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u7de8\u8b6f\u4f86\u6e90<\/strong><\/p>\n<p>M. Kachuee, K. Karkkainen, O. Goldstein, D. Zamanzadeh, and M. Sarrafzadeh, \u201c<a href=\"https:\/\/arxiv.org\/abs\/1902.07102\">Nutrition and health data for cost-sensitive learning<\/a>\u201c,\u00a0<em>arXive.org<\/em>, 2019.<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599<\/strong><\/p>\n<ol>\n<li>M. Kachuee, S. Darabi, B. Moatamed and M. Sarrafzadeh, \u201c<a href=\"http:\/\/10.0.4.85\/tnnls.2018.2880403\">Dynamic Feature Acquisition Using Denoising Autoencoders<\/a>\u201c,\u00a0<i>IEEE Transactions on Neural Networks and Learning Systems<\/i>, pp. 1-11, 2018.<\/li>\n<li>H. Shim, S. Hwang and E. Yang, \u201c<a href=\"https:\/\/arxiv.org\/abs\/1709.05964\">Why Pay More When You Can Pay Less: A Joint Learning Framework for Active Feature Acquisition and Classification<\/a>\u201c, arXive.org, 2019.<\/li>\n<\/ol>\n<p>(\u672c\u6587\u7531\u6559\u80b2\u90e8\u88dc\u52a9\u300cAI\u5831\u5831\u2500AI\u79d1\u666e\u63a8\u5ee3\u8a08\u756b\u300d\u57f7\u884c\u5718\u968a\u7de8\u8b6f)<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd1\u5e74\u4f86\u6a5f\u5668\u5b78\u7fd2\u7684\u8208\u8d77\uff0c\u5e36\u8d77\u4e86\u958b\u653e\u8cc7\u6599\u7684\u98a8\u6c23\uff0c\u9664\u6c11\u9593\u4f01\u696d\u5982\u4e9e\u99ac\u905c\u53caKaggle\u5916\uff0c\u653f\u5e9c\u4e5f\u4e0d\u9051\u591a\u8b93\uff0c\u5efa\u7acb\u8d77\u54c1\u8cea\u826f\u597d\u7684\u8cc7\u6599\u958b\u653e\u5e73\u53f0\uff08https:\/\/data.gov.tw\uff09\u3002\u7136\u800c\uff0c\u4e26\u975e\u6240\u6709\u7684\u8cc7\u6599\u90fd\u9069\u5408\u5b8c\u5168\u6524\u5728\u967d\u5149\u4e0b\uff0c\u4f8b\u5982\u75c5\u60a3\u7684\u5c31\u91ab\u7d00\u9304\u8207\u5065\u5eb7\u72c0\u6cc1\u3002\u6b32\u5c07\u9019\u4e9b\u8cc7\u6599\u61c9\u7528\u65bc\u6a5f\u5668\u5b78\u7fd2\uff0c\u5176\u5be6\u5b58\u5728\u4e0d\u5c11\u6f5b\u5728\u6210\u672c\uff0c\u9664\u91d1\u9322\u5916\uff0c\u540c\u6642\u4e5f\u9808\u9762\u5c0d\u96b1\u79c1\u554f\u984c\u4ee5\u53ca\u75c5\u60a3\u7684\u6297\u62d2\u8207\u4e0d\u9069\u5fc3\u7406\u3002\u5982\u4f55\u5728\u6709\u9650\u9810\u7b97\u4e0b\uff0c\u8ffd\u6c42\u9ad8\u6e96\u78ba\u5ea6\uff0c\u4e5f\u662f\u8cc7\u6599\u79d1\u5b78\u5bb6\u9700\u8981\u8003\u91cf\u7684\u4e00\u74b0\u3002<\/p>\n","protected":false},"author":21,"featured_media":38801,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3772,3293],"tags":[5983,5984,4488],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2022\/01\/budget-trade-off.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38800"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=38800"}],"version-history":[{"count":1,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38800\/revisions"}],"predecessor-version":[{"id":38802,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38800\/revisions\/38802"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/38801"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=38800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=38800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}