{"id":37,"date":"2018-08-31T23:03:29","date_gmt":"2018-08-31T15:03:29","guid":{"rendered":"http:\/\/www.gdyhsys.com\/?p=37"},"modified":"2022-07-27T14:34:57","modified_gmt":"2022-07-27T06:34:57","slug":"dirty-data","status":"publish","type":"post","link":"http:\/\/www.gdyhsys.com\/2018\/08\/31\/dirty-data\/","title":{"rendered":"\u90fd\u662f\u810f\u6570\u636e\u60f9\u7684\u7978"},"content":{"rendered":"<p>\u672c\u6587\u9996\u53d1\u4e8e\u300c<a href=\"http:\/\/www.gdyhsys.com\/2018\/08\/31\/dirty-data\/?swcfpc=1\">BY\u6797\u5b50<\/a>\u300d\uff0c\u8f6c\u8f7d\u8bf7\u53c2\u8003<a href=\"http:\/\/www.gdyhsys.com\/copyright-statement\/\" title=\"\u7248\u6743\u58f0\u660e\">\u7248\u6743\u58f0\u660e<\/a>\u3002<\/p>\n<hr \/>\n<blockquote>\n<p>\u201c\u5c0f\u5149\uff0c\u4eca\u5929\u90a3\u4e2a\u8be1\u5f02\u7684\u751f\u4ea7\u73af\u5883\u95ee\u9898\u627e\u5230\u539f\u56e0\u4e86\u5417\uff1f\u201d<br \/>\n\u201c\u8fd8\u662f\u6570\u636e\u95ee\u9898\uff01\u4e4b\u524d\u505a\u7684\u4e00\u4e2a\u529f\u80fd\u6709\u4e00\u90e8\u5206\u6570\u636e\u8fc1\u79fb\u5de5\u4f5c\u6ca1\u6709\u505a\u597d\uff0c\u5bfc\u81f4\u751f\u4ea7\u73af\u5883\u6709\u810f\u6570\u636e\uff0c\u59d4\u6258\u4eba\u7684\u8054\u7cfb\u4eba\u5df2\u7ecf\u4e0d\u4e3a\u8be5\u59d4\u6258\u4eba\u670d\u52a1\u4e86\uff0c\u5e94\u8be5\u79fb\u9664\u6389\u7684\u2026=-#~)@\/-$*\u2026\u201d<br \/>\n\u201c\u53c8\u662f\u810f\u6570\u636e\u2026@=@\u201d<br \/>\n\u201c\u55ef\uff0c\u597d\u5728\u4e0d\u662f\u4ee3\u7801\u95ee\u9898\u3002\u201d<\/p>\n<\/blockquote>\n<p>\u8fd9\u662f\u5728\u84dd\u9cb8\u9879\u76ee\u53d1\u751f\u7684\u771f\u5b9e\u5bf9\u8bdd\u3002\u5176\u4e2d\u63d0\u5230\u7684\u810f\u6570\u636e\uff08Dirty data\uff09\uff0c\u4e5f\u53eb\u574f\u6570\u636e\uff08Bad data\uff09\uff0c\u901a\u5e38\u662f\u6307\u8ddf\u671f\u5f85\u7684\u6570\u636e\u4e0d\u4e00\u6837\u3001\u4f1a\u5f71\u54cd\u7cfb\u7edf\u6b63\u5e38\u884c\u4e3a\u7684\u6570\u636e\u3002<\/p>\n<p>\u84dd\u9cb8\u9879\u76ee\u7684QA\u4f1a\u5b9a\u671f\u5206\u6790\u751f\u4ea7\u73af\u5883\u7684\u7f3a\u9677\uff0c\u5f53\u5b9a\u4f4d\u67d0\u4e2a\u7f3a\u9677\u4e3a\u810f\u6570\u636e\u5f15\u8d77\u4e4b\u540e\uff0c\u5f80\u5f80\u5c31\u5230\u6b64\u4e3a\u6b62\u4e86\u3002\u751f\u4ea7\u73af\u5883\u4e0b\u7684\u7f3a\u9677\u5206\u6790\u6d41\u7a0b\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<p><\/p>\n<p>\u751f\u4ea7\u73af\u5883\u7f3a\u9677\u5206\u6790\u6d41\u7a0b\u8c03\u67e5\u5206\u6790\u751f\u4ea7\u73af\u5883\u7f3a\u9677\uff0c\u5230\u6700\u540e\u5b9a\u4f4d\u662f\u6570\u636e\u95ee\u9898\u7684\u65f6\u5019\uff0c\u603b\u662f\u8ba9\u4eba\u6d51\u8eab\u8f7b\u677e\u2026 \u4e8e\u662f\uff0c\u201c\u810f\u6570\u636e\u201d\u5c31\u8ddf\u6d4b\u8bd5\u7684\u201c\u968f\u673a\u6302\u201d\u4e00\u6837\uff0c\u6210\u4e3a\u4e86\u5149\u8363\u7684\u201c\u80cc\u9505\u4fa0\u201d\uff01<\/p>\n<p>\u810f\u6570\u636e \u2260 \u4ee3\u7801\u95ee\u9898\uff0c\u771f\u7684\u662f\u8fd9\u6837\u5417\uff1f\u5148\u6765\u6df1\u5165\u4e86\u89e3\u4e00\u4e0b\u810f\u6570\u636e\u3002<\/p>\n<h3>01 \u810f\u6570\u636e\u662f\u600e\u4e48\u56de\u4e8b\uff1f<\/h3>\n<p>\u810f\u6570\u636e\u4ea7\u751f\u7684\u539f\u56e0\u591a\u79cd\u591a\u6837\uff0c\u6709\u7684\u751a\u81f3\u5f88\u96be\u89e3\u91ca\u6e05\u695a\u5230\u5e95\u53d1\u751f\u4e86\u4ec0\u4e48\u2026<\/p>\n<p>\u901a\u5e38\uff0c\u4ee5\u4e0b\u539f\u56e0\u53ef\u80fd\u9020\u6210\u810f\u6570\u636e\uff1a<\/p>\n<ol>\n<li>\u810f\u8bfb\uff1a\u8bfb\u4e86\u4e8b\u52a1\u5904\u7406\u4e2d\u95f4\u72b6\u6001\u7684\u6570\u636e<\/li>\n<li>\u91cd\u590d\u63d2\u5165\u4e86\u76f8\u540c\u7684\u6570\u636e\uff1a\u591a\u6b21\u70b9\u51fb\u540c\u4e00\u4e2a\u6309\u94ae\u5bfc\u81f4<\/li>\n<li>\u4e0d\u80fd\u4e3a\u7a7a\u7684\u5b57\u6bb5\u5b58\u4e3a\u7a7a\uff1a\u6570\u636e\u5e93\u5b57\u6bb5\u6ca1\u6709\u9a8c\u8bc1\uff0c\u6216\u8005\u5bf9\u4e8e\u5386\u53f2\u6570\u636e\u6ca1\u6709\u505a\u597d\u8fc1\u79fb\u5904\u7406<\/li>\n<li>\u4eba\u5de5\u5f55\u5165\u4e0d\u5408\u6cd5\u7684\u6570\u636e\uff1a\u6bd4\u5982\u7535\u8bdd\u53f7\u7801\u542b\u6709\u7279\u6b8a\u5b57\u7b26<\/li>\n<li>\u8fd0\u884cSQL\u811a\u672c\u63d2\u5165\u4e86\u4e0d\u5408\u6cd5\u6570\u636e\uff1a\u6bd4\u5982\u4e0d\u540c\u5b9e\u4f53id\u641e\u6df7\u7b49<\/li>\n<li>\u5b58\u5165\u4e86\u591a\u4f59\u7684\u7a7a\u683c<\/li>\n<li>\u6d4b\u8bd5\u73af\u5883\u53ef\u80fd\u7531\u4e8e\u90e8\u7f72\u4e86\u534a\u6210\u54c1\u4ea7\u751f\u4e00\u4e9b\u4e0d\u5408\u6cd5\u6570\u636e<\/li>\n<li>\u2026\u2026<\/li>\n<\/ol>\n<p>\u56e0\u6b64\uff0c\u810f\u6570\u636e\u8ddf\u4ee3\u7801\u6709\u5173\uff0c\u810f\u6570\u636e\u7684\u4ea7\u751f\u662f\u56e0\u4e3a\u6ca1\u6709\u505a\u597d\u9632\u5fa1\u5de5\u4f5c\uff01<\/p>\n<h3>02 \u810f\u6570\u636e\u6709\u54ea\u4e9b\u5371\u5bb3\uff1f<\/h3>\n<p>\u6839\u636e\u4e0d\u540c\u7684\u7cfb\u7edf\u3001\u4e0d\u540c\u7684\u4e1a\u52a1\uff0c\u810f\u6570\u636e\u5e26\u6765\u7684\u5371\u5bb3\u4e5f\u4f1a\u4e0d\u4e00\u6837\u3002<\/p>\n<ul>\n<li>\u810f\u8bfb\u4ea7\u751f\u7684\u6570\u636e\u5f80\u5f80\u662f\u9519\u8bef\u7684\uff0c\u5bfc\u81f4\u6570\u636e\u4e0d\u771f\u5b9e\u6027\uff0c\u6216\u8005\u6570\u636e\u7684\u4e0d\u4e00\u81f4\u6027\uff1b<\/li>\n<li>\u91cd\u590d\u548c\u5176\u4ed6\u4e0d\u5408\u6cd5\u6570\u636e\u5219\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u884c\u4e3a\u7684\u4e0d\u6b63\u5e38\uff0c\u6709\u65f6\u5019\u8fd8\u53ef\u80fd\u5bfc\u81f4\u975e\u5e38\u4e25\u91cd\u7684\u6545\u969c\uff0c\u751a\u81f3\u6709\u4e9b\u6ca1\u6709\u66b4\u9732\u7684\u810f\u6570\u636e\u53ef\u80fd\u5e26\u6765\u4e0d\u53ef\u9884\u77e5\u7684\u81f4\u547d\u9519\u8bef\uff0c\u5371\u5bb3\u53ef\u80fd\u662f\u76f8\u5f53\u5927\u7684\u3002<\/li>\n<\/ul>\n<p>\u810f\u6570\u636e\u5e26\u6765\u7684\u5371\u5bb3\u5f88\u96be\u4f30\u91cf\uff0c\u6709\u5f88\u5927\u7684\u4e0d\u53ef\u9884\u6d4b\u6027\uff0c\u5bf9\u4e8e\u810f\u6570\u636e\u7684\u9884\u9632\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u5982\u4f55\u80fd\u591f\u9632\u8303\u4e8e\u672a\u7136\u5462\uff1f<\/p>\n<h3>03 \u5982\u4f55\u9884\u9632\u810f\u6570\u636e\u7684\u4ea7\u751f\uff1f<\/h3>\n<p><\/p>\n<p>\u4f18\u5316\u7684\u7f3a\u9677\u5206\u6790\u6d41\u7a0b\u5c1d\u8bd5\u5bf9\u810f\u6570\u636e\u5f15\u8d77\u7684\u751f\u4ea7\u73af\u5883\u7f3a\u9677\u505a\u8fdb\u4e00\u6b65\u5206\u6790\uff0c\u603b\u7ed3\u51fa\u810f\u6570\u636e\u7684\u51e0\u79cd\u7c7b\u578b\uff0c\u53ef\u4ee5\u5728\u654f\u6377\u8f6f\u4ef6\u5f00\u53d1\u751f\u547d\u5468\u671f\u7684\u4e0d\u540c\u9636\u6bb5\u5bf9\u5176\u8fdb\u884c\u9632\u5fa1\u3002<\/p>\n<h4>1. \u4e1a\u52a1\u9700\u6c42\u5206\u6790\u9636\u6bb5<\/h4>\n<p>\u5728\u4e1a\u52a1\u5206\u6790\u7684\u65f6\u5019\uff0c\u6839\u636e\u4e1a\u52a1\u9700\u6c42\uff0c\u660e\u786e\u4e1a\u52a1\u76f8\u5173\u6570\u636e\u7684\u7279\u5b9a\u8981\u6c42\uff1a<\/p>\n<ol>\n<li>\u4e0d\u80fd\u4e3a\u7a7a\u7684\u5b57\u6bb5<\/li>\n<li>\u4e0d\u80fd\u91cd\u590d\u7684\u6570\u636e<\/li>\n<li>\u65e5\u671f\u8303\u56f4<\/li>\n<li>\u7535\u8bdd\u53f7\u7801\u53ef\u4ee5\u6709\u201cext.\u201d\u3001\u201c+\u201d\u548c\u201c-\u201d \u4f46\u4e0d\u80fd\u6709\u5176\u4ed6\u5b57\u7b26<\/li>\n<li>\u7279\u6b8a\u5b57\u7b26\u7684\u9650\u5b9a<\/li>\n<li>\u529f\u80fd\u5347\u7ea7\u7684\u65f6\u5019\u8003\u8651\u5df2\u6709\u6570\u636e\u7684\u8fc1\u79fb<\/li>\n<li>\u8fd8\u6709\u4e00\u4e9b\u8ddf\u5e38\u8bc6\u4e0d\u540c\u6709\u7279\u5b9a\u4e1a\u52a1\u542b\u4e49\u7684\u6570\u636e\u9700\u6c42<\/li>\n<li>\u2026\u2026<\/li>\n<\/ol>\n<h4>2. \u6570\u636e\u5e93\u548c\u4ee3\u7801\u5b9e\u73b0\u9636\u6bb5<\/h4>\n<p>\u660e\u786e\u4e86\u6570\u636e\u7684\u9700\u6c42\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u5b9a\u4e49\u548c\u8f6f\u4ef6\u4f7f\u7528\u5e38\u8bc6\uff0c\u5728\u5b9e\u73b0\u5c42\u9762\u5bf9\u6570\u636e\u8fdb\u884c\u4e25\u683c\u7684\u7ea6\u675f\u548c\u6821\u9a8c\uff1a<\/p>\n<ol>\n<li>\u6570\u636e\u5e93\u8868\u7684\u4e3b\u5916\u952e\u3001\u5b57\u6bb5\u7c7b\u578b\u3001\u662f\u5426\u5141\u8bb8\u4e3a\u7a7a\uff0c\u4e8b\u52a1\u5904\u7406\u9694\u79bb\u7b49<\/li>\n<li>\u524d\u540e\u7aef\u5bf9\u6570\u636e\u8fdb\u884c\u4e25\u683c\u7684\u6821\u9a8c\uff0c\u9632\u6b62\u5404\u79cd\u624b\u6bb5\u5b58\u5165\u4e0d\u5408\u6cd5\u7684\u6570\u636e\uff0c\u5305\u62ec\u9700\u6c42\u5b9a\u4e49\u7684\u6570\u636e\u548c\u5e38\u8bc6\u6027\u7684\u6570\u636e\uff0c\u6bd4\u5982\u8eab\u4efd\u8bc1\u53f7\u7801\u6700\u591a18\u4f4d\u7b49<\/li>\n<li>\u8003\u8651\u591a\u7528\u6237\u540c\u65f6\u5904\u7406\u53ef\u80fd\u5e26\u6765\u7684\u5e76\u53d1\u95ee\u9898<\/li>\n<li>\u9632\u6b62\u6309\u94ae\u6216\u8005\u94fe\u63a5\u88ab\u91cd\u590d\u591a\u6b21\u70b9\u51fb\uff0c\u53ef\u91cd\u590d\u70b9\u51fb\u901a\u5e38\u5728\u7f51\u901f\u8f83\u6162\u65f6\u53ef\u80fd\u5b58\u5165\u91cd\u590d\u6570\u636e<\/li>\n<li>\u7a0b\u5e8f\u8bfb\u53d6\u6570\u636e\u7684\u65f6\u5019\u8fdb\u884c\u5904\u7406\uff0c\u6bd4\u5982\u53bb\u6389\u591a\u4f59\u7a7a\u683c\u3001\u53bb\u91cd\u3001\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u6570\u636e\u7684\u5904\u7406<\/li>\n<li>\u2026\u2026<\/li>\n<\/ol>\n<h4>3. \u6d4b\u8bd5\u7684\u8fdb\u4e00\u6b65\u4fdd\u969c<\/h4>\n<p>\u6709\u4e86\u9700\u6c42\u5b9a\u4e49\u548c\u5b9e\u73b0\u5c42\u9762\u7684\u6821\u9a8c\uff0c\u5927\u90e8\u5206\u7684\u4e0d\u5408\u6cd5\u6570\u636e\u88ab\u963b\u6b62\u4e86\uff0c\u4f46\u662f\u8fd8\u662f\u4f1a\u6709\u6f0f\u7f51\u4e4b\u9c7c\uff0c\u5728\u6d4b\u8bd5\u7684\u65f6\u5019\u7ee7\u7eed\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u6765\u8fdb\u4e00\u6b65\u9632\u5fa1\u3002<\/p>\n<ol>\n<li>\u4e1a\u52a1\u9700\u6c42\u89c4\u5b9a\u7684\u6570\u636e\uff1a\u8fd9\u4e2a\u6beb\u65e0\u7591\u95ee\u662f\u9700\u8981\u6d4b\u8bd5\u7684\uff0c\u6709\u5e95\u5c42\u7684\u5355\u5143\u6d4b\u8bd5\u8986\u76d6\u4f1a\u66f4\u597d<\/li>\n<li>\u5e38\u8bc6\u6027\u7684\u6570\u636e\uff1a\u7531\u4e8e\u4e0d\u540c\u7684\u4eba\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u5e38\u8bc6\uff0c\u8fd9\u4e9b\u95ee\u9898\u5728\u6d4b\u8bd5\u7684\u65f6\u5019\u8fd8\u9700\u8981\u7279\u522b\u5173\u6ce8<\/li>\n<li>\u63a2\u7d22\u9690\u85cf\u8fb9\u754c\uff1a\u5173\u4e8e\u9690\u85cf\u8fb9\u754c\u7684\u6982\u5ff5\u5927\u5bb6\u53ef\u80fd\u4e0d\u662f\u5f88\u719f\u6089\u3002\u54b1\u4eec\u901a\u5e38\u8bf4\u7684\u7b49\u4ef7\u7c7b\u3001\u8fb9\u754c\u503c\u5206\u6790\u65b9\u6cd5\u8bbe\u8ba1\u6d4b\u8bd5\u7528\u4f8b\uff0c\u90fd\u662f\u6839\u636e\u53ef\u89c1\u7684\u8fb9\u754c\u6765\u8003\u8651\u7684\uff0c\u5176\u5b9e\u54b1\u4eec\u7a0b\u5e8f\u540e\u53f0\u53ef\u80fd\u8fd8\u5b58\u5728\u4e00\u4e9b\u9690\u85cf\u7684\u8fb9\u754c\uff0c\u4e5f\u662f\u5f88\u6709\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u95ee\u9898\u7684\uff0c\u9700\u8981\u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u63a2\u7d22\u53d1\u73b0\u5b83\u4eec\u5e76\u8fdb\u884c\u9a8c\u8bc1\u3002<\/li>\n<\/ol>\n<p><\/p>\n<p>\u5173\u4e8e\u9690\u85cf\u8fb9\u754c\uff0c\u53ef\u4ee5\u53c2\u8003John Ruberto\u7684\u6587\u7ae0\u300a<a href=\"http:\/\/www.stickyminds.com\/article\/uncovering-hidden-boundary-values-testing\">Uncovering Hidden Boundary Values in Testing<\/a>\u300b\uff0c\u91cc\u8fb9\u63d0\u5230\u4e86\u56db\u79cd\u9690\u85cf\u8fb9\u754c\uff1a\u6570\u636e\u7c7b\u578b\u8fb9\u754c\u3001\u4fe1\u4efb\u57df\u8fb9\u754c\u3001\u7279\u6b8a\u6570\u636e\u503c\u3001\u590d\u6d3b\u8282\u5f69\u86cb\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u54b1\u4eec\u5e73\u5e38\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u591a\u79ef\u7d2f\uff0c\u603b\u7ed3\u51fa\u8fd8\u6709\u54ea\u4e9b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u95ee\u9898\u7684\u9690\u85cf\u8fb9\u754c\u3002<\/p>\n<h4>4. \u5bf9\u7ebf\u4e0a\u7528\u6237\u7684\u57f9\u8bad<\/h4>\n<p>\u505a\u4e86\u524d\u9762\u4e00\u5c42\u5c42\u7684\u9632\u5fa1\uff0c\u5982\u679c\u6700\u7ec8\u7528\u6237\u5728\u4f7f\u7528\u7684\u65f6\u5019\u80fd\u591f\u6309\u7167\u89c4\u8303\u64cd\u4f5c\u6570\u636e\uff0c\u5bf9\u51cf\u5c11\u810f\u6570\u636e\u7684\u4ea7\u751f\u4f1a\u5f88\u6709\u5e2e\u52a9\u3002<\/p>\n<p>\u4e0b\u9762\u4e24\u4e2a\u63aa\u65bd\u53ef\u4ee5\u57f9\u8bad\u7528\u6237\u66f4\u89c4\u8303\u7684\u64cd\u4f5c\u6570\u636e\uff1a<\/p>\n<ol>\n<li>\u5728\u754c\u9762\u4e0a\u7ed9\u51fa\u6e05\u6670\u7684\u63d0\u793a\uff0c\u544a\u8bc9\u7528\u6237\u67d0\u4e9b\u6570\u636e\u8f93\u5165\u7684\u8981\u6c42<\/li>\n<li>\u7ed9\u7528\u6237\u57f9\u8bad\u6216\u8005\u63d0\u4f9b\u7528\u6237\u624b\u518c\uff0c\u544a\u8bc9\u7528\u6237\u8be5\u600e\u4e48\u6b63\u786e\u4f7f\u7528\u7cfb\u7edf<\/li>\n<\/ol>\n<h3>04 \u5982\u4f55\u5904\u7406\u5df2\u4ea7\u751f\u7684\u810f\u6570\u636e\uff1f<\/h3>\n<p><\/p>\n<p>\u810f\u6570\u636e\u7684\u5904\u7406\u6709\u90a3\u4e48\u591a\u9884\u9632\u810f\u6570\u636e\u4ea7\u751f\u7684\u65b9\u6cd5\uff0c\u4f46\u76f8\u4fe1\u810f\u6570\u636e\u7684\u4ea7\u751f\u8fd8\u662f\u5728\u6240\u96be\u514d\u7684\u3002\u810f\u6570\u636e\u4e00\u65e6\u4ea7\u751f\uff0c\u5bfc\u81f4\u7684\u7cfb\u7edf\u884c\u4e3a\u4e5f\u662f\u4e0d\u53ef\u9884\u6d4b\u7684\uff0c\u53ef\u80fd\u65e0\u8db3\u8f7b\u91cd\uff0c\u4e5f\u53ef\u80fd\u66b4\u9732\u975e\u5e38\u4e25\u91cd\u7684\u7f3a\u9677\u3002\u8be5\u5982\u4f55\u5e94\u5bf9\u4ea7\u751f\u7684\u810f\u6570\u636e\u5462\uff1f<\/p>\n<h4>1. \u810f\u6570\u636e\u4ea7\u751f\u540e\u7684\u4e24\u79cd\u5f62\u5f0f<\/h4>\n<p>\u810f\u6570\u636e\u4ea7\u751f\u4ee5\u540e\u6709\u4e24\u79cd\u5b58\u5728\u5f62\u5f0f\uff0c\u4e00\u79cd\u662f\u5df2\u7ecf\u5f15\u8d77\u67d0\u4e9b\u95ee\u9898\u88ab\u53d1\u73b0\u4e86\uff0c\u53e6\u4e00\u79cd\u662f\u8fd8\u4e0d\u88ab\u4eba\u77e5\u9053\uff0c\u4e0d\u77e5\u9053\u54ea\u5929\u4f1a\u53d1\u751f\u4ec0\u4e48\u6837\u7684\u95ee\u9898\u3002<\/p>\n<ul>\n<li><strong>\u5df2\u7ecf\u66b4\u9732\u7684\u810f\u6570\u636e<\/strong><\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u5df2\u7ecf\u66b4\u9732\u7684\u810f\u6570\u636e\uff0c\u9996\u8981\u7684\u662f\u5bf9\u6570\u636e\u7684\u5feb\u901f\u4fee\u590d\uff0c\u8ba9\u7cfb\u7edf\u6062\u590d\u6b63\u5e38\u8fd0\u8f6c\u3002\u5bf9\u4e8e\u4e13\u4e1a\u7684\u810f\u6570\u636e\u5904\u7406\u53ef\u4ee5\u4e86\u89e3\u4e00\u4e0b\u6570\u636e\u6e05\u6d17\uff08Data cleaning\uff09\u6280\u672f\u3002\u54b1\u4eec\u5e73\u5e38\u5bf9\u4e8e\u810f\u6570\u636e\u7684\u4fee\u590d\uff0c\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u9700\u6c42\uff0c\u91c7\u7528\u6570\u636e\u5e93\u811a\u672c\u4fee\u590d\uff0c\u6216\u8005\u5728\u524d\u7aef\u6267\u884cJS\u811a\u672c\u6765\u4fee\u590d\u3002<\/p>\n<p>\u4fee\u590d\u6570\u636e\u9700\u8981\u7279\u522b\u6ce8\u610f\u4e0d\u8981\u5f15\u5165\u65b0\u7684\u810f\u6570\u636e\uff0c\u7f16\u5199\u811a\u672c\u4e4b\u524d\u8981\u7406\u6e05\u76f8\u5173\u4e1a\u52a1\u548c\u6570\u636e\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u7f16\u5199\u597d\u811a\u672c\u4e4b\u540e\u8981\u7ecf\u8fc7\u4e25\u683c\u7684\u6d4b\u8bd5\u624d\u80fd\u5728\u7ebf\u4e0a\u73af\u5883\u6267\u884c\u3002<\/p>\n<p>\u4fee\u590d\u6570\u636e\u7684\u540c\u65f6\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u8c03\u67e5\u6570\u636e\u4ea7\u751f\u7684\u539f\u56e0\uff0c\u68c0\u67e5\u53ef\u4ee5\u5728\u54ea\u4e2a\u73af\u8282\u52a0\u56fa\u9632\u5fa1\u63aa\u65bd\uff0c\u4ee5\u5c3d\u91cf\u51cf\u5c11\u7c7b\u4f3c\u6570\u636e\u95ee\u9898\u518d\u6b21\u53d1\u751f\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<ul>\n<li><strong>\u672a\u66b4\u9732\u7684\u810f\u6570\u636e<\/strong><\/li>\n<\/ul>\n<p>\u8fd9\u6837\u7684\u6570\u636e\uff0c\u5176\u5b9e\u6211\u4eec\u5e76\u4e0d\u77e5\u9053\u5b83\u7684\u5b58\u5728\uff0c\u5c31\u50cf\u4e00\u4e2a\u5728\u9ed1\u6697\u5904\u7684\u5e7d\u7075\uff0c\u4e0d\u77e5\u9053\u4ec0\u4e48\u65f6\u5019\u4f1a\u7ed9\u7cfb\u7edf\u5e26\u6765\u9ebb\u70e6\u3002<\/p>\n<p>\u7531\u4e8e\u7cfb\u7edf\u73af\u5883\u7684\u590d\u6742\u6027\u3001\u7528\u6237\u884c\u4e3a\u7684\u591a\u6837\u6027\uff0c\u751f\u4ea7\u73af\u5883\u66f4\u52a0\u5bb9\u6613\u4ea7\u751f\u810f\u6570\u636e\u3002\u5c3d\u65e9\u53d1\u73b0\u8fd9\u79cd\u6f5c\u5728\u5371\u5bb3\u7684\u810f\u6570\u636e\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p>\u84dd\u9cb8\u9879\u76ee\u5c31\u662f\u8fd9\u6837\u3002\u5728\u8ddf\u5ba2\u6237\u505a\u652f\u6301\u7684\u540c\u4e8b\u6c9f\u901a\u8fc7\u7a0b\u4e2d\uff0c\u6700\u5927\u7684\u62c5\u5fe7\u5c31\u662f\u751f\u4ea7\u73af\u5883\u7684\u6570\u636e\u603b\u80fd\u53d1\u73b0\u95ee\u9898\uff0c\u5982\u4f55\u80fd\u591f\u8ba9\u8fd9\u4e9b\u95ee\u9898\u5c3d\u65e9\u66b4\u9732\u51fa\u6765\uff1f<\/p>\n<h4>2. 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