{"id":107,"date":"2023-09-25T15:41:24","date_gmt":"2023-09-25T07:41:24","guid":{"rendered":"http:\/\/ai.gitpp.com\/?p=107"},"modified":"2023-09-25T15:41:24","modified_gmt":"2023-09-25T07:41:24","slug":"%e5%9f%ba%e4%ba%8epython%e7%9a%84%e5%8d%97%e4%ba%ac%e4%ba%8c%e6%89%8b%e6%88%bf%e6%95%b0%e6%8d%ae%e9%87%87%e9%9b%86%e5%8f%8a%e5%8f%af%e8%a7%86%e5%8c%96%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/ai.gitpp.com\/index.php\/2023\/09\/25\/%e5%9f%ba%e4%ba%8epython%e7%9a%84%e5%8d%97%e4%ba%ac%e4%ba%8c%e6%89%8b%e6%88%bf%e6%95%b0%e6%8d%ae%e9%87%87%e9%9b%86%e5%8f%8a%e5%8f%af%e8%a7%86%e5%8c%96%e5%88%86%e6%9e%90\/","title":{"rendered":"\u57fa\u4e8ePython\u7684\u5357\u4eac\u4e8c\u624b\u623f\u6570\u636e\u91c7\u96c6\u53ca\u53ef\u89c6\u5316\u5206\u6790"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-1-\u5185\u5bb9\u7b80\u4ecb\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#1-\u5185\u5bb9\u7b80\u4ecb\">1 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class=\"wp-block-heading\" id=\"user-content-2-\u5e94\u7528\u6280\u672f\u4ecb\u7ecd\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#2-\u5e94\u7528\u6280\u672f\u4ecb\u7ecd\">2 \u5e94\u7528\u6280\u672f\u4ecb\u7ecd<\/a><\/h2>\n\n\n\n<p>1\uff09Python\u7f51\u7edc\u722c\u866b\u6280\u672f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Requests<\/li>\n\n\n\n<li>Beautifulsoup<\/li>\n<\/ul>\n\n\n\n<p>2\uff09Python\u6570\u636e\u5206\u6790\u6280\u672f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Numpy<\/li>\n\n\n\n<li>Matplotlib<\/li>\n\n\n\n<li>Pandas<\/li>\n<\/ul>\n\n\n\n<p>3\uff09k-means\u805a\u7c7b\u7b97\u6cd5<\/p>\n\n\n\n<p>4\uff09\u9ad8\u5fb7\u5730\u56fe\u5f00\u53d1\u8005\u5e94\u7528JS API<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-3-\u6570\u636e\u91c7\u96c6\u53ca\u6570\u636e\u6e05\u6d17\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#3-\u6570\u636e\u91c7\u96c6\u53ca\u6570\u636e\u6e05\u6d17\">3 \u6570\u636e\u91c7\u96c6\u53ca\u6570\u636e\u6e05\u6d17<\/a><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content-31-\u6570\u636e\u91c7\u96c6\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#31-\u6570\u636e\u91c7\u96c6\">3.1 \u6570\u636e\u91c7\u96c6<\/a><\/h3>\n\n\n\n<p>\u8be5\u90e8\u5206\u901a\u8fc7\u7f51\u7edc\u722c\u866b\u7a0b\u5e8f\u6293\u53d6\u94fe\u5bb6\u7f51\u4e0a\u6240\u6709\u5357\u4eac\u4e8c\u624b\u623f\u7684\u6570\u636e\uff0c\u6536\u96c6\u539f\u59cb\u6570\u636e\uff0c\u4f5c\u4e3a\u6574\u4e2a\u6570\u636e\u5206\u6790\u7684\u57fa\u77f3\u3002<\/p>\n\n\n\n<p>3.1.1 \u94fe\u5bb6\u7f51\u7f51\u7ad9\u7ed3\u6784\u5206\u6790<\/p>\n\n\n\n<p>\u94fe\u5bb6\u7f51\u4e8c\u624b\u623f\u4e3b\u9875\u754c\u9762\u5982\u56fe1\u3001\u56fe2\uff0c\u4e3b\u9875\u4e0a\u9762\u7ea2\u8272\u65b9\u6846\u4f4d\u7f6e\u663e\u793a\u76ee\u524d\u5357\u4eac\u4e8c\u624b\u623f\u5728\u552e\u623f\u6e90\u7684\u5404\u533a\u57df\u4f4d\u7f6e\u540d\u79f0\uff0c\u4e2d\u95f4\u7ea2\u8272\u65b9\u6846\u4f4d\u7f6e\u663e\u793a\u4e86\u623f\u6e90\u7684\u603b\u6570\u91cf\uff0c\u4e0b\u9762\u7ea2\u8272\u65b9\u6846\u663e\u793a\u4e86\u4e8c\u624b\u623f\u623f\u6e90\u4fe1\u606f\u7f29\u7565\u56fe\uff0c\u8be5\u7ea2\u8272\u65b9\u6846\u533a\u57df\u5305\u542b\u4e86\u4e8c\u624b\u623f\u623f\u6e90\u9875\u9762\u7684URL\u5730\u5740\u6807\u7b7e\u3002\u56fe2\u4e0b\u9762\u7ea2\u8272\u65b9\u6846\u663e\u793a\u4e86\u4e8c\u624b\u623f\u4e3b\u9875\u4e0a\u623f\u6e90\u7684\u9875\u6570\u3002<\/p>\n\n\n\n<p>\u94fe\u5bb6\u7f51\u4e8c\u624b\u623f\u4e3b\u9875\u622a\u56fe\u4e0a\u534a\u90e8\u5206\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/5aa0e402894a90180243e461e6a39f95.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/5aa0e402894a90180243e461e6a39f95.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe1 \u94fe\u5bb6\u7f51\u4e8c\u624b\u623f\u4e3b\u9875<\/p>\n\n\n\n<p>\u94fe\u5bb6\u7f51\u4e8c\u624b\u623f\u4e3b\u9875\u622a\u56fe\u4e0b\u534a\u90e8\u5206\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/e8fbbc9ebf9c99dc3228849a6c454f4e.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/e8fbbc9ebf9c99dc3228849a6c454f4e.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe2 \u94fe\u5bb6\u7f51\u4e8c\u624b\u623f\u4e3b\u9875<\/p>\n\n\n\n<p>\u4e8c\u624b\u623f\u623f\u6e90\u4fe1\u606f\u9875\u9762\u5982\u56fe3\u3001\u56fe4\u3002\u6211\u4eec\u9700\u8981\u91c7\u96c6\u7684\u76ee\u6807\u6570\u636e\u5c31\u5728\u8be5\u9875\u9762\uff0c\u5305\u62ec\u57fa\u672c\u4fe1\u606f\u3001\u623f\u5c4b\u5c5e\u6027\u548c\u4ea4\u6613\u5c5e\u6027\u4e09\u5927\u7c7b\u3002\u5404\u7c7b\u4fe1\u606f\u5305\u62ec\u7684\u6570\u636e\u9879\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>1\uff09\u57fa\u672c\u4fe1\u606f\uff1a\u5c0f\u533a\u540d\u79f0\u3001\u6240\u5728\u533a\u57df\u3001\u603b\u4ef7\u3001\u5355\u4ef7\u3002<\/p>\n\n\n\n<p>2\uff09\u623f\u5c4b\u5c5e\u6027\uff1a\u623f\u5c4b\u6237\u578b\u3001\u6240\u5728\u697c\u5c42\u3001\u5efa\u7b51\u9762\u79ef\u3001\u6237\u578b\u7ed3\u6784\u3001\u5957\u5185\u9762\u79ef\u3001\u5efa\u7b51\u7c7b\u578b\u3001\u623f\u5c4b\u671d\u5411\u3001\u5efa\u7b51\u7ed3\u6784\u3001\u88c5\u4fee\u60c5\u51b5\u3001\u68af\u6237\u6bd4\u4f8b\u3001\u914d\u5907\u7535\u68af\u3001\u4ea7\u6743\u5e74\u9650\u3002<\/p>\n\n\n\n<p>3\uff09\u4ea4\u6613\u5c5e\u6027\uff1a\u6302\u724c\u65f6\u95f4\u3001\u4ea4\u6613\u6743\u5c5e\u3001\u4e0a\u6b21\u4ea4\u6613\u3001\u623f\u5c4b\u7528\u9014\u3001\u623f\u5c4b\u5e74\u9650\u3001\u4ea7\u6743\u6240\u5c5e\u3001\u62b5\u62bc\u4fe1\u606f\u3001\u623f\u672c\u5907\u4ef6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/31f9bd59a9948b99ce4a68cb33c62637.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/31f9bd59a9948b99ce4a68cb33c62637.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe3 \u4e8c\u624b\u623f\u623f\u6e90\u4fe1\u606f\u9875\u9762<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/83ebc8892cc133b6c2967b1680a949cb.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/83ebc8892cc133b6c2967b1680a949cb.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe4 \u4e8c\u624b\u623f\u623f\u6e90\u4fe1\u606f\u9875\u9762<\/p>\n\n\n\n<p>3.1.3 \u7f51\u7edc\u722c\u866b\u7a0b\u5e8f\u5173\u952e\u95ee\u9898\u8bf4\u660e<\/p>\n\n\n\n<p>1\uff09\u95ee\u98981\uff1a\u94fe\u5bb6\u7f51\u4e8c\u624b\u623f\u4e3b\u9875\u6700\u591a\u53ea\u663e\u793a100\u9875\u7684\u623f\u6e90\u6570\u636e\uff0c\u6240\u4ee5\u5728\u6536\u96c6\u4e8c\u624b\u623f\u623f\u6e90\u4fe1\u606f\u9875\u9762URL\u5730\u5740\u65f6\u4f1a\u6536\u96c6\u4e0d\u5168\uff0c\u5bfc\u81f4\u6700\u540e\u53ea\u80fd\u91c7\u96c6\u5230\u90e8\u5206\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u89e3\u51b3\u63aa\u65bd\uff1a\u5c06\u6240\u6709\u5357\u4eac\u4e8c\u624b\u623f\u6570\u636e\u5206\u533a\u57df\u5730\u8fdb\u884c\u722c\u53d6\uff0c100\u9875\u6700\u591a\u80fd\u591f\u663e\u793a3000\u5957\u623f\uff0c\u8be5\u533a\u57df\u623f\u6e90\u5c11\u4e8e3000\u5957\u65f6\u53ef\u4ee5\u76f4\u63a5\u722c\u53d6\uff0c\u5982\u679c\u8be5\u533a\u57df\u623f\u6e90\u8d85\u8fc73000\u5957\u53ef\u4ee5\u518d\u5206\u6210\u66f4\u5c0f\u7684\u533a\u57df\u3002<\/p>\n\n\n\n<p>2\uff09\u95ee\u98982\uff1a\u722c\u866b\u7a0b\u5e8f\u5982\u679c\u8fd0\u884c\u8fc7\u5feb\uff0c\u4f1a\u5728\u91c7\u96c6\u5230\u4e24\u3001\u4e09\u5343\u6761\u6570\u636e\u65f6\u89e6\u53d1\u94fe\u5bb6\u7f51\u7684\u53cd\u722c\u866b\u673a\u5236\uff0c\u6240\u6709\u7684\u8bf7\u6c42\u4f1a\u88ab\u91cd\u5b9a\u5411\u5230\u94fe\u5bb6\u7684\u4eba\u673a\u9274\u5b9a\u9875\u9762\uff0c\u4ece\u800c\u4f1a\u5bfc\u81f4\u540e\u9762\u7684\u722c\u53d6\u5931\u8d25\u3002<\/p>\n\n\n\n<p>\u89e3\u51b3\u63aa\u65bd\uff1a\u2460\u4e3a\u7a0b\u5e8f\u4e2d\u6bcf\u6b21http\u8bf7\u6c42\u6784\u9020header\u5e76\u4e14\u6bcf\u6b21\u53d8\u6362http\u8bf7\u6c42header\u4fe1\u606f\u5934\u4e2dUSER_AGENTS\u6570\u636e\u9879\u7684\u503c\uff0c\u8ba9\u8bf7\u6c42\u4fe1\u606f\u770b\u8d77\u6765\u50cf\u662f\u4ece\u4e0d\u540c\u6d4f\u89c8\u5668\u53d1\u51fa\u7684\u8bbf\u95ee\u8bf7\u6c42\u3002\u2461\u722c\u866b\u7a0b\u5e8f\u6bcf\u5904\u7406\u5b8c\u4e00\u6b21http\u8bf7\u6c42\u548c\u54cd\u5e94\u540e\uff0c\u968f\u673a\u7761\u77201-3\u79d2\uff0c\u6bcf\u8bf7\u6c422500\u6b21\u540e\uff0c\u7a0b\u5e8f\u7761\u772020\u5206\u949f\uff0c\u63a7\u5236\u7a0b\u5e8f\u7684\u8bf7\u6c42\u901f\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content-32-\u6570\u636e\u6e05\u6d17\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#32-\u6570\u636e\u6e05\u6d17\">3.2 \u6570\u636e\u6e05\u6d17<\/a><\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u722c\u866b\u7a0b\u5e8f\u91c7\u96c6\u5f97\u5230\u7684\u6570\u636e\u5e76\u4e0d\u80fd\u76f4\u63a5\u5206\u6790\uff0c\u9700\u8981\u5148\u53bb\u6389\u4e00\u4e9b\u201c\u810f\u201d\u6570\u636e\uff0c\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\u6570\u636e\uff0c\u7edf\u4e00\u6240\u6709\u6570\u636e\u5b57\u6bb5\u7684\u683c\u5f0f\uff0c\u5c06\u8fd9\u4e9b\u96f6\u6563\u7684\u6570\u636e\u89c4\u6574\u6210\u7edf\u4e00\u7684\u7ed3\u6784\u5316\u6570\u636e\u3002<\/p>\n\n\n\n<p>3.2.1 \u539f\u59cb\u6570\u636e\u4e3b\u8981\u9700\u8981\u6e05\u6d17\u7684\u90e8\u5206<\/p>\n\n\n\n<p>\u4e3b\u8981\u9700\u8981\u6e05\u6d17\u7684\u6570\u636e\u90e8\u5206\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>1\uff09\u5c06\u6742\u4e71\u7684\u8bb0\u5f55\u7684\u6570\u636e\u9879\u5bf9\u9f50<\/p>\n\n\n\n<p>2\uff09\u6e05\u6d17\u4e00\u4e9b\u6570\u636e\u9879\u683c\u5f0f<\/p>\n\n\n\n<p>3\uff09\u7f3a\u5931\u503c\u5904\u7406<\/p>\n\n\n\n<p>3.2.3 \u6570\u636e\u6e05\u6d17\u7ed3\u679c<\/p>\n\n\n\n<p>\u6570\u636e\u6e05\u6d17\u524d\u539f\u59cb\u6570\u636e\u5982\u56fe8\uff0c\u6e05\u6d17\u540e\u7684\u6570\u636e\u5982\u56fe9\uff0c\u53ef\u4ee5\u770b\u51fa\u6e05\u6d17\u540e\u6570\u636e\u5df2\u7ecf\u89c4\u6574\u4e86\u8bb8\u591a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/48743e4e4d35f8e96e5b7ed47305c177.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/48743e4e4d35f8e96e5b7ed47305c177.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe8 \u6e05\u6d17\u524d\u539f\u59cb\u6570\u636e\u622a\u56fe<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/4a89d0cdd8af0769bf85ee809c13fdd5.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/4a89d0cdd8af0769bf85ee809c13fdd5.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe9 \u6e05\u6d17\u540e\u7684\u6570\u636e\u622a\u56fe<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-4-\u6570\u636e\u53ef\u89c6\u5316\u5206\u6790\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#4-\u6570\u636e\u53ef\u89c6\u5316\u5206\u6790\">4 \u6570\u636e\u53ef\u89c6\u5316\u5206\u6790<\/a><\/h2>\n\n\n\n<p>\u5728\u6570\u636e\u6e05\u6d17\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f00\u59cb\u5bf9\u6570\u636e\u8fdb\u884c\u53ef\u89c6\u5316\u5206\u6790\u3002\u8be5\u9636\u6bb5\u4e3b\u8981\u662f\u5bf9\u6570\u636e\u505a\u4e00\u4e2a\u63a2\u7d22\u6027\u5206\u6790\u5e76\u5c06\u7ed3\u679c\u53ef\u89c6\u5316\u5448\u73b0\uff0c\u5e2e\u52a9\u4eba\u4eec\u66f4\u597d\u3001\u66f4\u76f4\u89c2\u7684\u8ba4\u8bc6\u6570\u636e\uff0c\u628a\u9690\u85cf\u5728\u5927\u91cf\u6570\u636e\u80cc\u540e\u7684\u4fe1\u606f\u96c6\u4e2d\u548c\u63d0\u70bc\u51fa\u6765\u3002\u672c\u6587\u4e3b\u8981\u5bf9\u4e8c\u624b\u623f\u623f\u6e90\u7684\u603b\u4ef7\u3001\u5355\u4ef7\u3001\u9762\u79ef\u3001\u6237\u578b\u3001\u5730\u533a\u7b49\u5c5e\u6027\u8fdb\u884c\u4e86\u5206\u6790\u3002<\/p>\n\n\n\n<p>\u6570\u636e\u53ef\u89c6\u5316\u5206\u6790\u4e3b\u8981\u6b65\u9aa4\u5982\u4e0b\uff1a1\uff09\u6570\u636e\u52a0\u8f7d\uff1b2\uff09\u6570\u636e\u8f6c\u6362\uff1b3\uff09\u6570\u636e\u53ef\u89c6\u5316\u5448\u73b0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content-41-\u6570\u636e\u52a0\u8f7d\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#41-\u6570\u636e\u52a0\u8f7d\">4.1 \u6570\u636e\u52a0\u8f7d<\/a><\/h3>\n\n\n\n<p>\u6570\u636e\u5206\u6790\u548c\u5efa\u6a21\u7684\u5927\u91cf\u5de5\u4f5c\u90fd\u662f\u7528\u5728\u6570\u636e\u51c6\u5907\u4e0a\u7684\uff0c\u5982\uff1a\u6e05\u7406\u3001\u52a0\u8f7d\u3001\u8f6c\u6362\u7b49\u3002\u6e05\u6d17\u5b8c\u6210\u540e\u7684\u6570\u636e\u4ecd\u7136\u5b58\u50a8\u5728\u6587\u672c\u6587\u4ef6\uff08CSV\u683c\u5f0f\uff09\u4e2d\uff0c\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u53ef\u89c6\u5316\u5206\u6790\uff0c\u5fc5\u987b\u5148\u8981\u5c06\u6570\u636e\u6309\u4e00\u5b9a\u7ed3\u679c\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002\u6211\u4eec\u4f7f\u7528Pandas\u63d0\u4f9b\u7684DataFrame\u5bf9\u8c61\u6765\u52a0\u8f7d\u548c\u5904\u7406\u6211\u4eec\u6e05\u6d17\u540e\u7684\u6570\u636e\uff0cPandas\u540c\u65f6\u63d0\u4f9b\u5c06\u8868\u683c\u578b\u6570\u636e\u8bfb\u53d6\u4e3aDataFrame\u5bf9\u8c61\u7684\u51fd\u6570\u3002\u6570\u636e\u52a0\u8f7d\u5904\u7406\u8fc7\u7a0b\u4e2d\u9700\u8981\u6ce8\u610f\u7684\u4e3b\u8981\u95ee\u9898\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>1\uff09\u6570\u636e\u9879\u7684\u884c\u5217\u7d22\u5f15\u7684\u5904\u7406\uff1b<\/p>\n\n\n\n<p>2\uff09\u6570\u636e\u7c7b\u578b\u63a8\u65ad\u548c\u6570\u636e\u8f6c\u6362\uff1b<\/p>\n\n\n\n<p>3\uff09\u7f3a\u5931\u503c\u7684\u5904\u7406\u3002<\/p>\n\n\n\n<p>4.2 \u6570\u636e\u6574\u4f53\u8d28\u91cf\u5206\u6790<\/p>\n\n\n\n<p>4.2.1 \u6570\u636e\u57fa\u672c\u60c5\u51b5<\/p>\n\n\n\n<p>\u6570\u636e\u52a0\u8f7d\u540e\uff0c\u6570\u636e\u57fa\u672c\u60c5\u51b5\u5982\u56fe10\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u5230\u52a0\u8f7d\u540e\u7684\u6570\u636e\u4e00\u517120527\u884c\u300125\u5217\uff0c\u5360\u7528\u5185\u5b583.9+MB\u3002\u5728\u6570\u636e\u7c7b\u578b\u4e0a\uff0c\u4e00\u5171\u67093\u5217float64\u7c7b\u578b\uff0c2\u5217int64\u7c7b\u578b\uff0c20\u5217object\u7c7b\u578b\u3002\u9664\u4e86\u6237\u578b\u7ed3\u6784\u3001\u5957\u5185\u9762\u79ef\u3001\u62b5\u62bc\u4fe1\u606f\u4e09\u5217\u6570\u636e\u9879\u7f3a\u5931\u503c\u6bd4\u8f83\u591a\u4e4b\u5916\uff0c\u5176\u4ed6\u5217\u6570\u636e\u9879\u7684\u7f3a\u5931\u503c\u90fd\u4e0d\u591a\uff0c\u6240\u4ee5\u6570\u636e\u6574\u4f53\u7684\u8d28\u91cf\u8fd8\u4e0d\u9519\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/3a4625cbb8d333691acd752dbac9f869.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/3a4625cbb8d333691acd752dbac9f869.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe10 \u6570\u636e\u57fa\u672c\u60c5\u51b5\u56fe<\/p>\n\n\n\n<p>4.2.2 \u6574\u4f53\u6570\u636e\u6587\u4ef6\u8bcd\u4e91<\/p>\n\n\n\n<p>\u4ece\u6574\u4f53\u6570\u636e\u6587\u4ef6\u8bcd\u4e91\uff08\u89c1\u56fe11\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u5728\u5357\u4eac\u4e8c\u624b\u623f\u623f\u6e90\u4fe1\u606f\u4e2d\u7ecf\u5e38\u51fa\u73b0\u7684\u9ad8\u9891\u8bcd\uff0c\u5982\u5546\u54c1\u623f\u3001\u666e\u901a\u4f4f\u5b85\u3001\u4e00\u68af\u4e24\u6237\u3001\u94a2\u6df7\u7ed3\u6784\u3001\u7cbe\u88c5\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e9b\u9ad8\u9891\u8bcd\uff0c\u5341\u5206\u7c97\u7565\u7684\u4e86\u89e3\u6574\u4e2a\u6570\u636e\u6587\u4ef6\u4e2d\u7684\u57fa\u672c\u5185\u5bb9\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/c7bba517b1bf88ab5b4164008c714adb.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/c7bba517b1bf88ab5b4164008c714adb.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe11 \u6574\u4f53\u6570\u636e\u6587\u4ef6\u8bcd\u4e91<\/p>\n\n\n\n<p>4.2.3 \u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u623f\u6e90\u6570\u91cf\u6298\u7ebf\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u623f\u6e90\u6570\u91cf\u6298\u7ebf\u56fe\uff08\u89c1\u56fe13\uff09\u6a2a\u8f74\u4e3a\u5357\u4eac\u5404\u4e2a\u884c\u653f\u533a\u57df\u540d\u79f0\uff0c\u7eb5\u8f74\u4e3a\u623f\u6e90\u6570\u91cf\uff08\u5957\uff09\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u6c5f\u5b81\u5728\u552e\u7684\u623f\u6e90\u6570\u91cf\u6700\u591a\uff0c\u9ad8\u8fbe5000\u591a\u5957\uff0c\u5360\u4e86\u603b\u91cf\u76841\/4\u3002\u4e0e\u4e4b\u76f8\u53cd\u7684\u662f\u516d\u5408\u533a\uff0c\u516d\u5408\u533a\u5728\u552e\u7684\u623f\u6e90\u6570\u91cf\u4ec5\u67091\u5957\uff0c\u6570\u91cf\u592a\u5c11\uff0c\u5176\u4ed6\u5404\u533a\u7684\u6570\u91cf\u76f8\u5dee\u4e0d\u591a\u3002\u6240\u4ee5\u6211\u4eec\u540e\u9762\u5173\u4e8e\u516d\u5408\u533a\u7684\u5206\u6790\u4f1a\u5b58\u5728\u4e00\u5b9a\u8bef\u5dee\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/a7672004ad36ba789c1af504b72779a7.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/a7672004ad36ba789c1af504b72779a7.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe13 \u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u623f\u6e90\u6570\u91cf\u6298\u7ebf\u56fe<\/p>\n\n\n\n<p>4.2.4 \u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u7528\u9014\u6c34\u5e73\u67f1\u72b6\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u7528\u9014\u6c34\u5e73\u67f1\u72b6\u56fe\uff08\u89c1\u56fe14\uff09\u6a2a\u8f74\u4e3a\u623f\u6e90\u6570\u91cf\uff08\u5957\uff09\uff0c\u7eb5\u8f74\u4e3a\u623f\u5c4b\u7528\u9014\u7c7b\u578b\u3002\u4ece\u56fe\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0c\u623f\u5c4b\u7528\u9014\u7c7b\u578b\u6709\uff1a\u666e\u901a\u4f4f\u5b85\u3001\u522b\u5885\u3001\u5546\u4e1a\u529e\u516c\u3001\u9152\u5e97\u5f0f\u516c\u5bd3\u3001\u8f66\u5e935\u4e2d\u7c7b\u578b\u3002\u5176\u4e2d\u6211\u4eec\u4e3b\u8981\u5173\u5fc3\u7684\u666e\u901a\u4f4f\u5b85\u7c7b\u578b\u7684\u623f\u6e90\u6570\u91cf\u8fd120000\u5957\uff0c\u5360\u603b\u91cf\u7edd\u5927\u90e8\u5206\u3002\u6240\u4ee5\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u6ca1\u6709\u5254\u9664\u6389\u623f\u5c4b\u7528\u9014\u4e3a\u5176\u4ed6\u7c7b\u578b\u7684\u8bb0\u5f55\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u7c7b\u578b\u5728\u6240\u6709\u623f\u6e90\u6837\u672c\u4e2d\u5360\u6bd4\u76f8\u5f53\u5c11\uff0c\u4e0d\u4f1a\u5f71\u54cd\u540e\u9762\u7684\u5206\u6790\u7ed3\u679c\uff0c\u540c\u65f6\u5b83\u4eec\u4e5f\u5c5e\u4e8e\u4e8c\u624b\u623f\u7684\u8303\u7574\u5185\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/87ae2de4ca158afeaefc0d1533b29d5d.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/87ae2de4ca158afeaefc0d1533b29d5d.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe14 \u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u7528\u9014\u6c34\u5e73\u67f1\u72b6\u56fe<\/p>\n\n\n\n<p>4.2.5 \u6570\u636e\u6574\u4f53\u8d28\u91cf\u603b\u7ed3<\/p>\n\n\n\n<p>\u901a\u8fc7\u524d\u9762\u7684\u5206\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\u8be5\u6570\u636e\u6587\u4ef6\u7684\u6574\u4f53\u8d28\u91cf\u8fd8\u4e0d\u9519\u3002\u867d\u7136\u5b58\u5728\u4e00\u4e9b\u7f3a\u5931\u503c\u6bd4\u8f83\u591a\u7684\u6570\u636e\u9879\uff0c\u4f46\u6211\u4eec\u6bd4\u8f83\u5173\u6ce8\u4e00\u4e9b\u6570\u636e\u9879\u7f3a\u5931\u503c\u4e0d\u591a\u3002\u8fd9\u4e9b\u7f3a\u5931\u503c\u8f83\u591a\u7684\u90fd\u662f\u4e00\u4e9b\u6b21\u8981\u7684\u6570\u636e\u9879\uff0c\u4e0d\u5f71\u54cd\u6211\u4eec\u7684\u5206\u6790\u3002\u5728\u623f\u5c4b\u7528\u9014\u7c7b\u578b\u4e0a\uff0c\u6570\u636e\u6587\u4ef6\u4e2d\u4e00\u5171\u5305\u62ec\u4e865\u79cd\u7c7b\u578b\u7684\u4e8c\u624b\u623f\u623f\u6e90\u4fe1\u606f\uff0c\u5176\u4e2d\u666e\u901a\u4f4f\u5b85\u7c7b\u578b\u5360\u6bd498%\u4ee5\u4e0a\uff0c\u6240\u4ee5\u6211\u4eec\u540e\u9762\u5206\u6790\u57fa\u672c\u53ef\u4ee5\u770b\u6210\u662f\u9488\u5bf9\u666e\u901a\u4f4f\u5b85\u7c7b\u578b\u7684\u4e8c\u624b\u623f\u8fdb\u884c\u7684\u5206\u6790\uff0c\u8fd9\u4e5f\u7b26\u5408\u6211\u4eec\u671f\u671b\u3002\u6574\u4e2a\u6570\u636e\u6587\u4ef6\u4e2d\u552f\u4e00\u4e0d\u8db3\u7684\u662f\u516d\u5408\u533a\u57df\u7684\u4e8c\u624b\u623f\u623f\u6e90\u6837\u672c\u70b9\u592a\u5c11\uff0c\u8fd9\u4f7f\u6211\u4eec\u5bf9\u516d\u5408\u533a\u57df\u7684\u5206\u6790\u4f1a\u5b58\u5728\u4e00\u5b9a\u7684\u8bef\u5dee\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content-43-\u5357\u4eac\u4e8c\u624b\u623f\u57fa\u672c\u4fe1\u606f\u53ef\u89c6\u5316\u5206\u6790\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#43-\u5357\u4eac\u4e8c\u624b\u623f\u57fa\u672c\u4fe1\u606f\u53ef\u89c6\u5316\u5206\u6790\">4.3 \u5357\u4eac\u4e8c\u624b\u623f\u57fa\u672c\u4fe1\u606f\u53ef\u89c6\u5316\u5206\u6790<\/a><\/h3>\n\n\n\n<p>\u4e8c\u624b\u623f\u57fa\u672c\u4fe1\u606f\u53ef\u89c6\u5316\u5206\u6790\u4e3b\u8981\u9488\u5bf9\u4e8c\u624b\u623f\uff1a\u533a\u57df\u3001\u603b\u4ef7\u3001\u5355\u4ef7\u3001\u5efa\u7b51\u9762\u79ef\u56db\u4e2a\u5c5e\u6027\u7684\u5206\u6790\u3002<\/p>\n\n\n\n<p>4.3.1 \u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u5e73\u5747\u5355\u4ef7\u67f1\u72b6\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u5e73\u5747\u5355\u4ef7\u67f1\u72b6\u56fe\uff08\u89c1\u56fe15\uff09\u6a2a\u8f74\u4e3a\u5357\u4eac\u5404\u533a\u57df\u540d\u79f0\uff0c\u7eb5\u8f74\u4e3a\u5355\u4ef7\uff08\u5143\/\u5e73\u7c73\uff09\u3002\u4ece\u56fe\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5efa\u90ba\u533a\u548c\u9f13\u697c\u533a\u4e8c\u624b\u623f\u5e73\u5747\u5355\u4ef7\u6700\u9ad8\uff0c\u8fd140000\u5143\/\u5e73\u7c73\u3002\u5efa\u90ba\u533a\u662f\u5e02\u4e2d\u5fc3\u57ce\u533a\uff0c\u8fd1\u51e0\u5e74\u53d1\u5c55\u52bf\u5934\u5f88\u597d\uff0c\u623f\u4ef7\u4e00\u8def\u98d9\u5347\uff0c\u73b0\u5728\u5df2\u7ecf\u6210\u4e86\u5357\u4eac\u6700\u8d35\u7684\u533a\u57df\u4e4b\u4e00\u3002\u9f13\u697c\u533a\u4f5c\u4e3a\u5357\u4eac\u5e02\u7684\u6838\u5fc3\u5730\u5e26\uff0c\u62e5\u6709\u4f17\u591a\u5546\u573a\u548c\u5b66\u533a\u623f\uff0c\u5176\u5747\u4ef7\u4e00\u76f4\u9ad8\u5347\u4e0d\u4e0b\u3002\u4ece\u6574\u4f53\u4e0a\u6765\u770b\uff0c\u5357\u4eac\u5e02\u5404\u4e2a\u533a\u57df\uff08\u9664\u53bb\u5b58\u5728\u8bef\u5dee\u7684\u516d\u5408\u533a\uff09\u5747\u4ef7\u90fd\u5df2\u7ecf\u8d85\u8fc7\u4e8620000\u5143\/\u5e73\u7c73\u3002\u8fd9\u4e9b\u53ef\u4ee5\u4f53\u73b0\u51fa\u8fd1\u51e0\u5e74\u5357\u4eac\u5e02\u623f\u4ef7\u731b\u6da8\u7684\u7ed3\u679c\u3002\u6d66\u53e3\u533a\u867d\u7136\u76f8\u6bd4\u623f\u4ef7\u5df2\u7ecf\u5f88\u4f4e\u4e86\uff0c\u4f46\u76f8\u8f83\u4e8e\u6d66\u53e3\u524d\u51e0\u5e74\u7684\u623f\u4ef7\uff0c\u5dee\u4e0d\u591a\u662f\u7ffb\u4e86\u4e00\u756a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/3f4c9c379cd1198710d449f65a29b969.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/3f4c9c379cd1198710d449f65a29b969.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe15 \u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u5e73\u5747\u5355\u4ef7<\/p>\n\n\n\n<p>4.3.2 \u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u5355\u4ef7\u548c\u603b\u4ef7\u7bb1\u7ebf\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u5355\u4ef7\u7bb1\u7ebf\u56fe\uff08\u89c1\u56fe16\uff09\u6a2a\u8f74\u4e3a\u5357\u4eac\u5404\u533a\u57df\u540d\u79f0\uff0c\u7eb5\u8f74\u4e3a\u5355\u4ef7\uff08\u5143\/\u5e73\u7c73\uff09\u3002\u4e8c\u624b\u623f\u5e73\u5747\u5355\u4ef7\u867d\u7136\u662f\u4e00\u4e2a\u91cd\u8981\u53c2\u8003\u6570\u636e\uff0c\u4f46\u5e73\u5747\u503c\u4e0d\u80fd\u6709\u6548\u7684\u8868\u793a\u51fa\u6570\u636e\u6574\u4f53\u4e0a\u7684\u5206\u5e03\u60c5\u51b5\uff0c\u7279\u522b\u662f\u6570\u636e\u4e2d\u4e00\u4e9b\u79bb\u6563\u503c\u7684\u5206\u5e03\u60c5\u51b5\uff0c\u8fd9\u4e9b\u4fe1\u606f\u7684\u8868\u73b0\u5219\u9700\u8981\u501f\u52a9\u7bb1\u7ebf\u56fe\u3002\u4ece\u56fe16\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5efa\u90ba\u548c\u9f13\u697c\u4e24\u4e2a\u533a\u57df\u623f\u6e90\u5355\u4ef7\u6b63\u5e38\u503c\u5206\u5e03\u90fd\u4e0d\u662f\u592a\u96c6\u4e2d\uff0c50%\u7684\u5355\u4ef7\u5206\u5e03\u572830000-50000\u7684\u533a\u95f4\u5185\uff0c\u533a\u95f4\u8de8\u5ea6\u6bd4\u5176\u4ed6\u533a\u90fd\u8981\u5927\u3002\u867d\u7136\u5efa\u90ba\u533a\u5e73\u5747\u5355\u4ef7\u7565\u9ad8\u4e8e\u9f13\u697c\u533a\uff0c\u4f46\u9f13\u697c\u533a\u7684\u5f02\u5e38\u503c\u7279\u522b\u591a\uff0c\u5355\u4ef7\u8d85\u8fc750000\u7684\u623f\u6e90\u6570\u4e0d\u80dc\u6570\uff0c\u6700\u9ad8\u5355\u4ef7\u6709\u8fbe\u5230100000\u7684\uff0c\u5355\u4ef7\u4e0a\u9650\u8fdc\u9ad8\u4e8e\u5efa\u90ba\u533a\uff0c\u800c\u5efa\u90ba\u533a\u5f02\u5e38\u503c\u76f8\u5bf9\u8f83\u5c11\u3002\u7efc\u5408\u4ee5\u4e0a\u60c5\u51b5\u6765\u770b\uff0c\u9f13\u697c\u533a\u5e94\u8be5\u662f\u5357\u4eac\u5e02\u5355\u4ef7\u6700\u9ad8\u7684\u533a\u57df\u3002\u4e0e\u9f13\u697c\u533a\u76f8\u90bb\u7684\u7384\u6b66\u533a\u548c\u79e6\u6dee\u533a\u5355\u4ef7\u6b63\u5e38\u503c\u5206\u5e03\u8f83\u4e3a\u96c6\u4e2d50%\u7684\u6570\u636e\u90fd\u5206\u5e03\u572830000-40000\u4e4b\u95f4\uff0c\u4f46\u8fd9\u4e24\u4e2a\u5f02\u5e38\u503c\u4e5f\u6bd4\u8f83\u591a\uff0c\u5355\u4ef7\u4e0a\u9650\u4e5f\u975e\u5e38\u9ad8\u3002\u8fd9\u4e9b\u533a\u57df\u5355\u4ef7\u5982\u6b64\u591a\u7684\u5f02\u5e38\u503c\uff0c\u8ddf\u8fd9\u4e9b\u533a\u57df\u96c6\u4e2d\u7684\u6559\u80b2\u548c\u533b\u7597\u8d44\u6e90\u6709\u7740\u5bc6\u4e0d\u53ef\u5206\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/3600212e5f46384a8a650c990c9b69cd.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/3600212e5f46384a8a650c990c9b69cd.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe16 \u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u5355\u4ef7\u7bb1\u7ebf\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u603b\u4ef7\u7bb1\u7ebf\u56fe\uff08\u89c1\u56fe17\u548c\u56fe18\uff09\u6a2a\u8f74\u4e3a\u5357\u4eac\u5404\u533a\u57df\u540d\u79f0\uff0c\u7eb5\u8f74\u4e3a\u5355\u4ef7\uff08\u4e07\u5143\uff09\u3002\u56fe18\u5bf9\u56fe17\u7eb5\u8f74\u8fdb\u884c\u4e86\u7f29\u653e\uff0c\u66f4\u6613\u4e8e\u89c2\u5bdf\uff0c\u5176\u4ed6\u65b9\u9762\u6ca1\u6709\u533a\u522b\u3002\u4ece\u603b\u4ef7\u8fd9\u4e2a\u7ef4\u5ea6\u6765\u770b\uff0c\u9f13\u697c\u3001\u5efa\u90ba\u8fd9\u4e24\u4e2a\u5355\u4ef7\u6700\u9ad8\u533a\u57df\uff0c\u603b\u4ef7\u975e\u5e38\u7684\u9ad8\uff0c500\u4e07\u5143\u7684\u4e8c\u624b\u623f\u4ee5\u5206\u5e03\u5728\u6b63\u5e38\u503c\u8303\u56f4\u5185\u4e86\u3002\u5357\u4eac\u5176\u4ed6\u5404\u533a\u57df\u4e8c\u624b\u623f\u4ef7\u683c\u5927\u90e8\u5206\u90fd\u96c6\u4e2d\u5728200-400\u4e07\u5143\u4e4b\u95f4\uff0c\u4e0b\u56db\u5206\u4f4d\u6570\u5341\u5206\u9760\u8fd1200\u4e07\u3002\u6c5f\u5b81\u3001\u6816\u971e\u867d\u7136\u5728\u5355\u4ef7\u4e0d\u9ad8\uff0c\u4f46\u603b\u4ef7\u4e0d\u4f4e\uff0c\u5c24\u5176\u662f\u8fd1\u51e0\u5e74\u623f\u4ef7\u6da8\u5e45\u6bd4\u8f83\u9ad8\u7684\u6c5f\u5b81\uff0c500\u4e07\u4ee5\u4e0a\u5f02\u5e38\u503c\u90fd\u5df2\u7ecf\u6bd4\u8f83\u591a\u4e86\u3002\u6d66\u53e3\u533a\u603b\u4ef7\u6570\u636e\u5206\u5e03\u6700\u4e3a\u96c6\u4e2d\uff0c\u7edd\u5927\u90e8\u5206\u6570\u636e\u90fd200-300\u4e07\u533a\u95f4\u5185\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/ba94d3c7763c48c1841d2461938fc64c.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/ba94d3c7763c48c1841d2461938fc64c.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe17 \u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u603b\u4ef7\u7bb1\u7ebf\u56fe<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/72cf1c473e17b6b3593e158b1f5139f6.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/72cf1c473e17b6b3593e158b1f5139f6.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe18 \u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u603b\u4ef7\u7bb1\u7ebf\u56fe<\/p>\n\n\n\n<p>4.3.3 \u5357\u4eac\u4e8c\u624b\u623f\u5355\u4ef7\u6700\u9ad8Top20<\/p>\n\n\n\n<p>\u5357\u4eac\u4e8c\u624b\u623f\u5355\u4ef7\u6700\u9ad8Top20\u6c34\u5e73\u67f1\u72b6\u56fe\uff08\u89c1\u56fe19\uff09\u6a2a\u8f74\u4e3a\u5355\u4ef7\uff08\u5143\/\u5e73\u7c73\uff09\uff0c\u7eb5\u8f74\u4e3a\u5c0f\u533a\u540d\u5b57\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5355\u4ef7\u524d20\u7684\u623f\u6e90\u90fd\u5df2\u7ecf\u8d85\u8fc79\u4e07\uff0c\u5e76\u4e14\u90fd\u96c6\u4e2d\u5728\u9f13\u697c\u533a\uff0c\u8fd9\u4e5f\u5370\u8bc1\u4e86\u4e0a\u9762\u7bb1\u7ebf\u56fe\u4e2d\u9f13\u697c\u533a\u5982\u6b64\u591a\u5f02\u5e38\u503c\u7684\u5b58\u5728\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/99f40069991fafefac2d54413eed2873.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/99f40069991fafefac2d54413eed2873.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe19 \u5357\u4eac\u4e8c\u624b\u623f\u5355\u4ef7\u6700\u9ad8Top20<\/p>\n\n\n\n<p>4.3.4 \u5357\u4eac\u4e8c\u624b\u623f\u5355\u4ef7\u548c\u603b\u4ef7\u70ed\u529b\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u4e8c\u624b\u623f\u5355\u4ef7\u70ed\u529b\u56fe\uff08\u89c1\u56fe20\uff09\u548c\u5357\u4eac\u4e8c\u624b\u623f\u603b\u4ef7\u70ed\u529b\u56fe\uff08\u89c1\u56fe21\uff09\u7ea2\u8272\u533a\u57df\u4ee3\u8868\u623f\u6e90\u5bc6\u96c6\u5ea6\u9ad8\u4e14\u623f\u4ef7\u9ad8\u7684\u533a\u57df\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\u9f13\u697c\u3001\u7384\u6b66\u3001\u79e6\u6dee\u3001\u5efa\u90ba\u4e0a\u534a\u90e8\u5206\u662f\u5bc6\u96c6\u5ea6\u6700\u9ad8\u7684\u533a\u57df\u3002\u8fd94\u4e2a\u533a\u57df\u5904\u4e8e\u5357\u4eac\u5e02\u6b63\u4e2d\u5fc3\u7684\u4f4d\u7f6e\uff0c\u4ea4\u901a\u65b9\u4fbf\uff0c\u533b\u7597\u3001\u6559\u80b2\u7b49\u8d44\u6e90\u96c6\u4e2d\uff0c\u8fd9\u4e9b\u56e0\u7d20\u4e00\u8d77\u9020\u5c31\u4e86\u8fd9\u4e9b\u533a\u57df\u9ad8\u4ef7\u683c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/14f211bcdea0afc6a5866eb957e5c6f0.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/14f211bcdea0afc6a5866eb957e5c6f0.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe20 \u5357\u4eac\u4e8c\u624b\u623f\u5355\u4ef7\u70ed\u529b\u56fe<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/2d3af90024651152cd449e987d16dce0.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/2d3af90024651152cd449e987d16dce0.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe21 \u5357\u4eac\u4e8c\u624b\u623f\u603b\u4ef7\u70ed\u529b\u56fe<\/p>\n\n\n\n<p>4.3.5 \u5357\u4eac\u4e8c\u624b\u623f\u603b\u4ef7\u5c0f\u4e8e200\u4e07\u7684\u5206\u5e03\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u4e8c\u624b\u623f\u603b\u4ef7\u5c0f\u4e8e200\u4e07\u7684\u623f\u6e90\u4e00\u5171\u67096000\u591a\u5957\uff0c\u5206\u5e03\u56fe\u89c1\u56fe23\u3002\u4ece\u56fe\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0c\u9664\u4e86\u9f13\u697c\u533a\u548c\u5efa\u90ba\u533a\u6bd4\u8f83\u5c11\uff0c\u5176\u4ed6\u533a\u57df\u4f4e\u4e8e200\u4e07\u7684\u623f\u5b50\u8fd8\u662f\u6709\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/41217f9c0ec10a9e218b497c746c8929.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/41217f9c0ec10a9e218b497c746c8929.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe23 \u5357\u4eac\u4e8c\u624b\u623f\u603b\u4ef7\u5c0f\u4e8e200\u4e07\u7684\u5206\u5e03\u56fe<\/p>\n\n\n\n<p>4.3.6 \u5357\u4eac\u4e8c\u624b\u623f\u5efa\u7b51\u9762\u79ef\u5206\u6790<\/p>\n\n\n\n<p>\u5357\u4eac\u4e8c\u624b\u623f\u5efa\u7b51\u9762\u79ef\u5206\u5e03\u533a\u95f4\u56fe\uff08\u56fe24\uff09\u6a2a\u8f74\u4e3a\u623f\u6e90\u6570\u91cf\uff08\u5957\uff09\uff0c\u7eb5\u8f74\u4e3a\u5206\u5e03\u533a\u95f4\uff08\u5e73\u7c73\uff09\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\u5728\u5efa\u7b51\u9762\u79ef50-100\u533a\u95f4\u5185\u623f\u6e90\u6570\u91cf\u6700\u591a\uff0c\u8d85\u8fc7\u4e8610000\u5957\u3002\u5176\u6b21\u662f100-150\u533a\u95f4\u4e0e\u5c0f\u4e8e50\u7684\u533a\u95f4\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/d650c9f0c35cf2a96466e9cd85ff6335.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/d650c9f0c35cf2a96466e9cd85ff6335.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe24 \u5357\u4eac\u4e8c\u624b\u623f\u5efa\u7b51\u9762\u79ef\u5206\u5e03\u533a\u95f4\u67f1\u72b6\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u5404\u533a\u57df\u5e73\u5747\u5efa\u7b51\u9762\u79ef\u67f1\u72b6\u56fe\uff08\u56fe25\uff09\u6a2a\u8f74\u4e3a\u5404\u533a\u57df\u540d\u5b57\uff0c\u7eb5\u8f74\u4e3a\u5efa\u7b51\u9762\u79ef\uff08\u5e73\u7c73\uff09\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\u7384\u6b66\u3001\u79e6\u6dee\u3001\u9f13\u697c\u8fd9\u51e0\u4e2a\u5355\u4ef7\u6bd4\u8f83\u9ad8\u7684\u8001\u57ce\u533a\u5e73\u5747\u5efa\u7b51\u9762\u79ef\u6700\u5c0f\uff0c\u5e73\u5747\u9762\u79ef80\u5e73\u7c73\u5de6\u53f3\u3002\u53cd\u800c\u662f\u6c5f\u5b81\u3001\u6d66\u53e3\u8fd9\u4e24\u4e2a\u5355\u4ef7\u6700\u4f4e\u7684\u533a\u57df\u5e73\u5747\u5efa\u7b51\u9762\u79ef\u6700\u5927\uff0c\u5e73\u5747\u9762\u79ef\u5927\u5c0f\u8d85\u8fc7\u4e86100\u5e73\u7c73\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/f4b058489a6ded3af88d05a514c320e9.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/f4b058489a6ded3af88d05a514c320e9.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe25 \u5357\u4eac\u5404\u533a\u57df\u4e8c\u624b\u623f\u5e73\u5747\u5efa\u7b51\u9762\u79ef\u67f1\u72b6\u56fe<\/p>\n\n\n\n<p>4.3.7 \u5357\u4eac\u4e8c\u624b\u623f\u5355\u4ef7\u3001\u603b\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u4e8c\u624b\u623f\u603b\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe\uff08\u56fe26\uff09\u6a2a\u8f74\u4e3a\u5efa\u7b51\u9762\u79ef\uff08\u5e73\u7c73\uff09\uff0c\u7eb5\u8f74\u4e3a\u603b\u4ef7\uff08\u4e07\u5143\uff09\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u603b\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u8fd9\u4e24\u4e2a\u53d8\u91cf\u7b26\u5408\u6b63\u76f8\u5173\u5173\u7cfb\u3002\u6570\u636e\u70b9\u5206\u5e03\u6bd4\u8f83\u96c6\u4e2d\uff0c\u5927\u591a\u6570\u90fd\u5728\u603b\u4ef70-1500\u4e07\u5143\u4e0e\u5efa\u7b51\u9762\u79ef0-400\u5e73\u7c73\u8fd9\u4e2a\u533a\u57df\u5185\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/25082d4d0e64ad0d3289b5f91c1b042b.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/25082d4d0e64ad0d3289b5f91c1b042b.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe26 \u5357\u4eac\u4e8c\u624b\u623f\u603b\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe<\/p>\n\n\n\n<p>\u5357\u4eac\u4e8c\u624b\u623f\u5355\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe\uff08\u56fe27\uff09\u6a2a\u8f74\u4e3a\u5efa\u7b51\u9762\u79ef\uff08\u5e73\u7c73\uff09\uff0c\u7eb5\u8f74\u4e3a\u5355\u4ef7\uff08\u5143\/\u5e73\u7c73\uff09\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\u5efa\u7b51\u9762\u79ef\u4e0e\u5355\u4ef7\u5e76\u65e0\u660e\u663e\u5173\u7cfb\uff0c\u540c\u6837\u6837\u672c\u70b9\u5206\u5e03\u4e5f\u8f83\u4e3a\u96c6\u4e2d\uff0c\u79bb\u6563\u503c\u4e0d\u591a\uff0c\u4f46\u5355\u4ef7\u7279\u522b\u9ad8\u7684\u623f\u6e90\uff0c\u5efa\u7b51\u9762\u79ef\u90fd\u4e0d\u662f\u592a\u5927\uff0c\u53ef\u80fd\u56e0\u4e3a\u8fd9\u4e9b\u623f\u6e90\u4e00\u822c\u90fd\u4f4d\u4e8e\u5e02\u4e2d\u5fc3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/1be9bdafe857653afb5c805ea37ea2d8.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/1be9bdafe857653afb5c805ea37ea2d8.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe27 \u5357\u4eac\u4e8c\u624b\u623f\u5355\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content-44-\u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u5c5e\u6027\u53ef\u89c6\u5316\u5206\u6790\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#44-\u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u5c5e\u6027\u53ef\u89c6\u5316\u5206\u6790\">4.4 \u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u5c5e\u6027\u53ef\u89c6\u5316\u5206\u6790<\/a><\/h3>\n\n\n\n<p>4.4.1 \u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u6237\u578b\u5360\u6bd4\u60c5\u51b5<\/p>\n\n\n\n<p>\u4ece\u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u6237\u578b\u997c\u72b6\u56fe\uff08\u56fe28\uff09\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c2\u5ba41\u5385\u4e0e2\u5ba42\u5385\u4f5c\u4e3a\u6807\u51c6\u914d\u7f6e\uff0c\u4e00\u5171\u5360\u6bd4\u63a5\u8fd1\u4e00\u534a\u3002\u5176\u4e2d3\u5ba42\u5385\u548c3\u5ba41\u5385\u7684\u623f\u6e90\u4e5f\u5360\u6bd4\u4e0d\u5c11\uff0c\u5176\u4ed6\u623f\u5c4b\u6237\u578b\u7684\u623f\u6e90\u5360\u6bd4\u5c31\u6bd4\u8f83\u5c11\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/952ba4c527bdaf812956ccfc79b61659.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/952ba4c527bdaf812956ccfc79b61659.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe28 \u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u6237\u578b\u997c\u72b6\u56fe<\/p>\n\n\n\n<p>4.4.2 \u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u88c5\u4fee\u60c5\u51b5<\/p>\n\n\n\n<p>\u4ece\u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u88c5\u4fee\u60c5\u51b5\u997c\u72b6\u56fe\uff08\u56fe29\uff09\u53ef\u4ee5\u770b\u51fa\uff0c\u8fd160%\u7684\u623f\u6e90\u7684\u623f\u5c4b\u88c5\u4fee\u60c5\u51b5\u90fd\u662f\u5176\u4ed6\uff0c\u53ef\u80fd\u56e0\u4e3a\u623f\u6e90\u5168\u90e8\u4e3a\u4e8c\u624b\u623f\u7684\u7f18\u6545\uff0c\u5927\u5bb6\u90fd\u81ea\u4e3b\u88c5\u4fee\u8fc7\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/1aac0c8a9e00655937fa39f3b13a811f.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/1aac0c8a9e00655937fa39f3b13a811f.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe29 \u5357\u4eac\u4e8c\u624b\u623f\u88c5\u4fee\u60c5\u51b5\u997c\u72b6\u56fe<\/p>\n\n\n\n<p>4.4.3 \u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u671d\u5411\u5206\u5e03\u60c5\u51b5<\/p>\n\n\n\n<p>\u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u671d\u5411\u67f1\u72b6\u56fe\uff08\u56fe30\uff09\u6a2a\u8f74\u4e3a\u623f\u5c4b\u671d\u5411\uff0c\u7eb5\u8f74\u4e3a\u623f\u6e90\u6570\u91cf\uff08\u5957\uff09\u3002\u4ece\u56fe\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0c\u53ea\u6709\u5c11\u6570\u51e0\u79cd\u7684\u671d\u5411\u6bd4\u8f83\u591a\uff0c\u5176\u4f59\u7684\u90fd\u975e\u5e38\u5c11\uff0c\u660e\u663e\u5c5e\u4e8e\u957f\u5c3e\u5206\u5e03\u7c7b\u578b\uff08\u4e25\u91cd\u504f\u6001\uff09\u3002\u8fd9\u4e5f\u7b26\u5408\u6211\u4eec\u7684\u8ba4\u8bc6\uff0c\u623f\u5c4b\u671d\u5411\u4e00\u534a\u4ee5\u4e0a\u90fd\u662f\u5750\u5317\u671d\u5357\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/f440aaab0d41900fdf1532b8524395da.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/f440aaab0d41900fdf1532b8524395da.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe30 \u5357\u4eac\u4e8c\u624b\u623f\u623f\u5c4b\u671d\u5411\u5206\u5e03\u67f1\u72b6\u56fe<\/p>\n\n\n\n<p>4.4.4 \u5357\u4eac\u4e8c\u624b\u623f\u5efa\u7b51\u7c7b\u578b\u5360\u6bd4\u60c5\u51b5<\/p>\n\n\n\n<p>\u4ece\u5357\u4eac\u4e8c\u624b\u623f\u5efa\u7b51\u7c7b\u578b\u997c\u72b6\u56fe\uff08\u56fe31\uff09\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\u623f\u6e90\u7684\u5efa\u7b51\u7c7b\u578b65.6%\u90fd\u662f\u677f\u697c\uff0c\u73b0\u5728\u623f\u5730\u4ea7\u5546\u559c\u6b22\u5f00\u53d1\u7684\u5854\u697c\u53cd\u800c\u8f83\u5c11\uff0c\u8fd9\u548c\u5357\u4eac\u4e8c\u624b\u623f\u5efa\u7b51\u65f6\u95f4\u90fd\u6bd4\u8f83\u4e45\u8fdc\u76f8\u7b26\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/48638b87c85b5b47880f3cda9bcde726.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/48638b87c85b5b47880f3cda9bcde726.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe31 \u5357\u4eac\u4e8c\u624b\u623f\u5efa\u7b51\u7c7b\u578b\u997c\u72b6\u56fe<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-5-\u6570\u636e\u805a\u7c7b\u5206\u6790\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#5-\u6570\u636e\u805a\u7c7b\u5206\u6790\">5 \u6570\u636e\u805a\u7c7b\u5206\u6790<\/a><\/h2>\n\n\n\n<p>\u8be5\u9636\u6bb5\u91c7\u7528\u805a\u7c7b\u7b97\u6cd5\u4e2d\u7684k-means\u7b97\u6cd5\u5bf9\u6240\u6709\u4e8c\u624b\u623f\u6570\u636e\u8fdb\u884c\u805a\u7c7b\u5206\u6790\uff0c\u6839\u636e\u805a\u7c7b\u7684\u7ed3\u679c\u548c\u7ecf\u9a8c\uff0c\u5c06\u8fd9\u4e9b\u623f\u6e90\u5927\u81f4\u5206\u7c7b\uff0c\u5df2\u8fbe\u5230\u5bf9\u6570\u636e\u6982\u62ec\u603b\u7ed3\u7684\u76ee\u7684\u3002\u5728\u805a\u7c7b\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u9009\u62e9\u4e86\u9762\u79ef\u3001\u603b\u4ef7\u548c\u5355\u4ef7\u8fd9\u4e09\u4e2a\u6570\u503c\u578b\u53d8\u91cf\u4f5c\u4e3a\u6837\u672c\u70b9\u7684\u805a\u7c7b\u5c5e\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content-51-k-means\u7b97\u6cd5\u539f\u7406\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#51-k-means\u7b97\u6cd5\u539f\u7406\">5.1 k-means\u7b97\u6cd5\u539f\u7406<\/a><\/h3>\n\n\n\n<p>5.1.1 \u57fa\u672c\u539f\u7406<\/p>\n\n\n\n<p>k-Means\u7b97\u6cd5\u662f\u4e00\u79cd\u4f7f\u7528\u6700\u666e\u904d\u7684\u805a\u7c7b\u7b97\u6cd5\uff0c\u5b83\u662f\u4e00\u79cd\u65e0\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5\uff0c\u76ee\u7684\u662f\u5c06\u76f8\u4f3c\u7684\u5bf9\u8c61\u5f52\u5230\u540c\u4e00\u4e2a\u7c07\u4e2d\u3002\u7c07\u5185\u7684\u5bf9\u8c61\u8d8a\u76f8\u4f3c\uff0c\u805a\u7c7b\u7684\u6548\u679c\u5c31\u8d8a\u597d\u3002\u8be5\u7b97\u6cd5\u4e0d\u9002\u5408\u5904\u7406\u79bb\u6563\u578b\u5c5e\u6027\uff0c\u4f46\u5bf9\u4e8e\u8fde\u7eed\u578b\u5c5e\u6027\u5177\u6709\u8f83\u597d\u7684\u805a\u7c7b\u6548\u679c\u3002<\/p>\n\n\n\n<p>5.1.2 \u805a\u7c7b\u6548\u679c\u5224\u5b9a\u6807\u51c6<\/p>\n\n\n\n<p>\u4f7f\u5404\u4e2a\u6837\u672c\u70b9\u4e0e\u6240\u5728\u7c07\u7684\u8d28\u5fc3\u7684\u8bef\u5dee\u5e73\u65b9\u548c\u8fbe\u5230\u6700\u5c0f\uff0c\u8fd9\u662f\u8bc4\u4ef7k-means\u7b97\u6cd5\u6700\u540e\u805a\u7c7b\u6548\u679c\u7684\u8bc4\u4ef7\u6807\u51c6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/432cf5efa4275deae4be1d4fd8239b3e.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/432cf5efa4275deae4be1d4fd8239b3e.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>5.1.3 \u7b97\u6cd5\u5b9e\u73b0\u6b65\u9aa4<\/p>\n\n\n\n<p>1\uff09\u9009\u5b9ak\u503c<\/p>\n\n\n\n<p>2\uff09\u521b\u5efak\u4e2a\u70b9\u4f5c\u4e3ak\u4e2a\u7c07\u7684\u8d77\u59cb\u8d28\u5fc3\u3002<\/p>\n\n\n\n<p>3\uff09\u5206\u522b\u8ba1\u7b97\u5269\u4e0b\u7684\u5143\u7d20\u5230k\u4e2a\u7c07\u7684\u8d28\u5fc3\u7684\u8ddd\u79bb\uff0c\u5c06\u8fd9\u4e9b\u5143\u7d20\u5206\u522b\u5212\u5f52\u5230\u8ddd\u79bb\u6700\u5c0f\u7684\u7c07\u3002<\/p>\n\n\n\n<p>4\uff09\u6839\u636e\u805a\u7c7b\u7ed3\u679c\uff0c\u91cd\u65b0\u8ba1\u7b97k\u4e2a\u7c07\u5404\u81ea\u7684\u65b0\u7684\u8d28\u5fc3\uff0c\u5373\u53d6\u7c07\u4e2d\u5168\u90e8\u5143\u7d20\u5404\u81ea\u7ef4\u5ea6\u4e0b\u7684\u7b97\u672f\u5e73\u5747\u503c\u3002<\/p>\n\n\n\n<p>5\uff09\u5c06\u5168\u90e8\u5143\u7d20\u6309\u7167\u65b0\u7684\u8d28\u5fc3\u91cd\u65b0\u805a\u7c7b\u3002<\/p>\n\n\n\n<p>6\uff09\u91cd\u590d\u7b2c5\u6b65\uff0c\u76f4\u5230\u805a\u7c7b\u7ed3\u679c\u4e0d\u518d\u53d8\u5316\u3002<\/p>\n\n\n\n<p>7\uff09\u6700\u540e\uff0c\u8f93\u51fa\u805a\u7c7b\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>5.1.4 \u7b97\u6cd5\u7f3a\u70b9<\/p>\n\n\n\n<p>\u867d\u7136K-Means\u7b97\u6cd5\u539f\u7406\u7b80\u5355\uff0c\u4f46\u662f\u6709\u81ea\u8eab\u7684\u7f3a\u9677\uff1a<\/p>\n\n\n\n<p>1\uff09\u805a\u7c7b\u7684\u7c07\u6570k\u503c\u9700\u5728\u805a\u7c7b\u524d\u7ed9\u51fa\uff0c\u4f46\u5728\u5f88\u591a\u65f6\u5019\u4e2dk\u503c\u7684\u9009\u5b9a\u662f\u5341\u5206\u96be\u4ee5\u4f30\u8ba1\u7684\uff0c\u5f88\u591a\u60c5\u51b5\u6211\u4eec\u805a\u7c7b\u524d\u5e76\u4e0d\u6e05\u695a\u7ed9\u51fa\u7684\u6570\u636e\u96c6\u5e94\u5f53\u5206\u6210\u591a\u5c11\u7c7b\u624d\u6700\u6070\u5f53\u3002<\/p>\n\n\n\n<p>2\uff09k-means\u9700\u8981\u4eba\u4e3a\u5730\u786e\u5b9a\u521d\u59cb\u8d28\u5fc3\uff0c\u4e0d\u4e00\u6837\u7684\u521d\u59cb\u8d28\u5fc3\u53ef\u80fd\u4f1a\u5f97\u51fa\u5dee\u522b\u5f88\u5927\u7684\u805a\u7c7b\u7ed3\u679c\uff0c\u65e0\u6cd5\u4fdd\u8bc1k-means\u7b97\u6cd5\u6536\u655b\u4e8e\u5168\u5c40\u6700\u4f18\u89e3\u3002<\/p>\n\n\n\n<p>3\uff09\u5bf9\u79bb\u7fa4\u70b9\u654f\u611f\u3002<\/p>\n\n\n\n<p>4\uff09\u7ed3\u679c\u4e0d\u7a33\u5b9a\uff08\u53d7\u8f93\u5165\u987a\u5e8f\u5f71\u54cd\uff09\u3002<\/p>\n\n\n\n<p>5\uff09\u65f6\u95f4\u590d\u6742\u5ea6\u9ad8O(nkt)\uff0c\u5176\u4e2dn\u662f\u5bf9\u8c61\u603b\u6570\uff0ck\u662f\u7c07\u6570\uff0ct\u662f\u8fed\u4ee3\u6b21\u6570\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content-52-\u7b97\u6cd5\u5b9e\u73b0\u5173\u952e\u95ee\u9898\u8bf4\u660e\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#52-\u7b97\u6cd5\u5b9e\u73b0\u5173\u952e\u95ee\u9898\u8bf4\u660e\">5.2 \u7b97\u6cd5\u5b9e\u73b0\u5173\u952e\u95ee\u9898\u8bf4\u660e<\/a><\/h3>\n\n\n\n<p>5.2.1 K\u503c\u7684\u9009\u5b9a\u8bf4\u660e<\/p>\n\n\n\n<p>\u6839\u636e\u805a\u7c7b\u539f\u5219\uff1a\u7ec4\u5185\u5dee\u8ddd\u8981\u5c0f\uff0c\u7ec4\u95f4\u5dee\u8ddd\u8981\u5927\u3002\u6211\u4eec\u5148\u7b97\u51fa\u4e0d\u540ck\u503c\u4e0b\u5404\u4e2aSSE(Sum of squared errors)\u503c\uff0c\u7136\u540e\u7ed8\u5236\u51fa\u6298\u7ebf\u56fe\uff08\u56fe32\uff09\u6765\u6bd4\u8f83\uff0c\u4ece\u4e2d\u9009\u5b9a\u6700\u4f18\u89e3\u3002\u4ece\u56fe\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fak\u503c\u5230\u8fbe5\u4ee5\u540e\uff0cSSE\u53d8\u5316\u8d8b\u4e8e\u5e73\u7f13\uff0c\u6240\u4ee5\u6211\u4eec\u9009\u5b9a5\u4f5c\u4e3ak\u503c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/1bffd1df3eaecdbad8c4d8086f40caef.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/1bffd1df3eaecdbad8c4d8086f40caef.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe32 \u4e0d\u540ck\u503c\u4e0bSSE\u503c\u6298\u7ebf\u56fe<\/p>\n\n\n\n<p>5.2.2 \u521d\u59cb\u7684K\u4e2a\u8d28\u5fc3\u9009\u5b9a\u8bf4\u660e<\/p>\n\n\n\n<p>\u521d\u59cb\u7684k\u4e2a\u8d28\u5fc3\u9009\u5b9a\u662f\u91c7\u7528\u7684\u968f\u673a\u6cd5\u3002\u4ece\u5404\u5217\u6570\u503c\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u4e2d\u95f4\u6309\u6b63\u592a\u5206\u5e03\u968f\u673a\u9009\u53d6k\u4e2a\u8d28\u5fc3\u30025.2.3 \u5173\u4e8e\u79bb\u7fa4\u70b9<\/p>\n\n\n\n<p>\u79bb\u7fa4\u70b9\u5c31\u662f\u8fdc\u79bb\u6574\u4f53\u7684\uff0c\u975e\u5e38\u5f02\u5e38\u3001\u975e\u5e38\u7279\u6b8a\u7684\u6570\u636e\u70b9\u3002\u56e0\u4e3ak-means\u7b97\u6cd5\u5bf9\u79bb\u7fa4\u70b9\u5341\u5206\u654f\u611f\uff0c\u6240\u4ee5\u5728\u805a\u7c7b\u4e4b\u524d\u5e94\u8be5\u5c06\u8fd9\u4e9b\u201c\u6781\u5927\u201d\u3001\u201c\u6781\u5c0f\u201d\u4e4b\u7c7b\u7684\u79bb\u7fa4\u6570\u636e\u90fd\u53bb\u6389\uff0c\u5426\u5219\u4f1a\u5bf9\u4e8e\u805a\u7c7b\u7684\u7ed3\u679c\u6709\u5f71\u54cd\u3002\u79bb\u7fa4\u70b9\u7684\u5224\u5b9a\u6807\u51c6\u662f\u6839\u636e\u524d\u9762\u6570\u636e\u53ef\u89c6\u5316\u5206\u6790\u8fc7\u7a0b\u7684\u6563\u70b9\u56fe\u548c\u7bb1\u7ebf\u56fe\u8fdb\u884c\u5224\u5b9a\u3002\u6839\u636e\u6563\u70b9\u56fe\u548c\u7bb1\u7ebf\u56fe\uff0c\u9700\u8981\u53bb\u9664\u79bb\u6563\u503c\u7684\u8303\u56f4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>1\uff09\u5355\u4ef7\uff1a\u57fa\u672c\u90fd\u5728100000\u4ee5\u5185\uff0c\u6ca1\u6709\u7279\u522b\u7684\u5f02\u5e38\u503c\u3002<\/p>\n\n\n\n<p>2\uff09\u603b\u4ef7\uff1a\u57fa\u672c\u90fd\u96c6\u4e2d\u57283000\u4ee5\u5185\uff0c\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u53bb\u96643000\u5916\u7684\u5f02\u5e38\u503c\u3002<\/p>\n\n\n\n<p>3\uff09\u5efa\u7b51\u9762\u79ef\uff1a\u57fa\u672c\u90fd\u96c6\u4e2d\u5728500\u4ee5\u5185\uff0c\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u53bb\u9664500\u5916\u7684\u5f02\u5e38\u503c\u3002<\/p>\n\n\n\n<p>5.2.4 \u6570\u636e\u7684\u6807\u51c6\u5316<\/p>\n\n\n\n<p>\u56e0\u4e3a\u603b\u4ef7\u7684\u5355\u4f4d\u4e3a\u4e07\u5143\uff0c\u5355\u4ef7\u7684\u5355\u4f4d\u4e3a\u5143\/\u5e73\u7c73\uff0c\u5efa\u7b51\u9762\u79ef\u7684\u5355\u4f4d\u4e3a\u5e73\u7c73\uff0c\u6240\u4ee5\u6570\u636e\u70b9\u8ba1\u7b97\u51fa\u6b27\u51e0\u91cc\u5fb7\u8ddd\u79bb\u7684\u5355\u4f4d\u662f\u6ca1\u6709\u610f\u4e49\u7684\u3002\u540c\u65f6\uff0c\u603b\u4ef7\u90fd\u662f3000\u4ee5\u5185\u7684\u6570\uff0c\u5efa\u7b51\u9762\u79ef\u90fd\u662f500\u4ee5\u5185\u7684\u6570\uff0c\u4f46\u5355\u4ef7\u57fa\u672c\u90fd\u662f20000\u4ee5\u4e0a\u7684\u6570\uff0c\u5728\u8ba1\u7b97\u8ddd\u79bb\u65f6\u5355\u4ef7\u8d77\u5230\u7684\u4f5c\u7528\u5c31\u6bd4\u603b\u4ef7\u5927\uff0c\u603b\u4ef7\u548c\u5355\u4ef7\u7684\u4f5c\u7528\u90fd\u8fdc\u5927\u4e8e\u5efa\u7b51\u9762\u79ef\uff0c\u8fd9\u6837\u805a\u7c7b\u51fa\u6765\u7684\u7ed3\u679c\u662f\u6709\u95ee\u9898\u7684\u3002\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u5c06\u6570\u636e\u6807\u51c6\u5316\uff0c\u5373\u5c06\u6570\u636e\u6309\u6bd4\u4f8b\u7f29\u653e\uff0c\u4f7f\u4e4b\u90fd\u843d\u5165\u4e00\u4e2a\u7279\u5b9a\u533a\u95f4\u5185\u3002\u53bb\u9664\u6570\u636e\u7684\u5355\u4f4d\u9650\u5236\uff0c\u5c06\u5176\u8f6c\u5316\u4e3a\u65e0\u91cf\u7eb2\u7684\u7eaf\u6570\u503c\uff0c\u4fbf\u4e8e\u4e0d\u540c\u5355\u4f4d\u6216\u91cf\u7ea7\u7684\u6307\u6807\u80fd\u591f\u8fdb\u884c\u8ba1\u7b97\u548c\u6bd4\u8f83\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5c06\u5355\u4ef7\u3001\u603b\u4ef7\u548c\u9762\u79ef\u90fd\u6620\u5c04\u5230500\uff0c\u56e0\u4e3a\u9762\u79ef\u672c\u8eab\u5c31\u90fd\u5728500\u4ee5\u5185\uff0c\u4e0d\u8981\u7279\u522b\u5904\u7406\u3002\u5355\u4ef7\u5728\u8ba1\u7b97\u8ddd\u79bb\u65f6\uff0c\u9700\u8981\u5148\u4e58\u4ee5\u6620\u5c04\u6bd4\u4f8b0.005\uff0c\u603b\u4ef7\u9700\u8981\u4e58\u4ee5\u6620\u5c04\u6bd4\u4f8b0.16\u3002\u8fdb\u884c\u6570\u636e\u6807\u51c6\u5316\u524d\u548c\u8fdb\u884c\u6570\u636e\u6807\u51c6\u5316\u540e\u7684\u805a\u7c7b\u6548\u679c\u5bf9\u6bd4\u5982\u4e0b\uff1a\u56fe32\u3001\u56fe33\u662f\u6ca1\u6709\u6570\u636e\u6807\u51c6\u5316\u524d\u7684\u805a\u7c7b\u6548\u679c\u6563\u70b9\u56fe\uff1b\u56fe34\u3001\u56fe35\u662f\u6570\u636e\u6807\u51c6\u5316\u540e\u7684\u805a\u7c7b\u6548\u679c\u6563\u70b9\u56fe\u3002<\/p>\n\n\n\n<p>\u6570\u636e\u6807\u51c6\u5316\u524d\u7684\u5355\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u805a\u7c7b\u6548\u679c\u6563\u70b9\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/20333ad34432635a9264541ff6f78685.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/20333ad34432635a9264541ff6f78685.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe32 \u6570\u636e\u6807\u51c6\u5316\u524d\u7684\u5355\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe<\/p>\n\n\n\n<p>\u6570\u636e\u6807\u51c6\u5316\u524d\u603b\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u805a\u7c7b\u6548\u679c\u6563\u70b9\u56fe\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/d008eede0b04bcf5ca7f5300bf6bdc18.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/d008eede0b04bcf5ca7f5300bf6bdc18.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe33 \u6570\u636e\u6807\u51c6\u5316\u524d\u603b\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe<\/p>\n\n\n\n<p>\u6570\u636e\u6807\u51c6\u5316\u540e\u5355\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u805a\u7c7b\u6548\u679c\u6563\u70b9\u56fe\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/17fb68a2b314cf24f63506bc1e4effa2.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/17fb68a2b314cf24f63506bc1e4effa2.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe34 \u6570\u636e\u6807\u51c6\u5316\u540e\u5355\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe<\/p>\n\n\n\n<p>\u6570\u636e\u6807\u51c6\u5316\u540e\u603b\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u805a\u7c7b\u6548\u679c\u6563\u70b9\u56fe\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/51e0bf81079717f142fb1a5941639fc3.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/51e0bf81079717f142fb1a5941639fc3.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe35 \u6570\u636e\u6807\u51c6\u5316\u540e\u603b\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content-53-\u805a\u7c7b\u7ed3\u679c\u5206\u6790\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing#53-\u805a\u7c7b\u7ed3\u679c\u5206\u6790\">5.3 \u805a\u7c7b\u7ed3\u679c\u5206\u6790<\/a><\/h3>\n\n\n\n<p>\u805a\u7c7b\u7ed3\u679c\u5982\u4e0b<\/p>\n\n\n\n<p>1\uff09\u805a\u7c7b\u7ed3\u679c\u7edf\u8ba1\u4fe1\u606f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/b4aae91db851ff529bcee3509315760f.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/b4aae91db851ff529bcee3509315760f.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>2\uff09\u805a\u7c7b\u540e\u7684\u5355\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe\u548c\u603b\u4ef7\u4e0e\u5efa\u7b51\u9762\u79ef\u6563\u70b9\u56fe\u89c1\u56fe34\u3001\u56fe35\u3002<\/p>\n\n\n\n<p>3\uff09\u805a\u7c7b\u7ed3\u679c\u5206\u7ec40\u30011\u30012\u30013\u30014\u7684\u533a\u57df\u5206\u5e03\u56fe\u5206\u522b\u5982\u4e0b\uff1a\u56fe36\u3001\u56fe37\u3001\u56fe38\u3001\u56fe39\u3001\u56fe40\u3002<\/p>\n\n\n\n<p>\u805a\u7c7b\u7ed3\u679c\u5206\u7ec40\u7684\u533a\u57df\u5206\u5e03\u56fe\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/596bdc36ae6ec999e35b77ad430e9f46.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/596bdc36ae6ec999e35b77ad430e9f46.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe36 \u805a\u7c7b\u7ed3\u679c0\u533a\u57df\u5206\u5e03\u56fe<\/p>\n\n\n\n<p>\u805a\u7c7b\u7ed3\u679c\u5206\u7ec41\u7684\u533a\u57df\u5206\u5e03\u56fe\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/30e8121447d2b47f39f57a20f2a094d2.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/30e8121447d2b47f39f57a20f2a094d2.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe37 \u805a\u7c7b\u7ed3\u679c1\u533a\u57df\u5206\u5e03\u56fe<\/p>\n\n\n\n<p>\u805a\u7c7b\u7ed3\u679c\u5206\u7ec42\u7684\u533a\u57df\u5206\u5e03\u56fe\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/9045be1b03797152030b08f6e28d7c85.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/9045be1b03797152030b08f6e28d7c85.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe38 \u805a\u7c7b\u7ed3\u679c2\u533a\u57df\u5206\u5e03\u56fe<\/p>\n\n\n\n<p>\u805a\u7c7b\u7ed3\u679c\u5206\u7ec43\u7684\u533a\u57df\u5206\u5e03\u56fe\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/5692637864b7007bd3c02642cf516ffe.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/5692637864b7007bd3c02642cf516ffe.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe39 \u805a\u7c7b\u7ed3\u679c3\u533a\u57df\u5206\u5e03\u56fe<\/p>\n\n\n\n<p>\u805a\u7c7b\u7ed3\u679c\u5206\u7ec44\u7684\u533a\u57df\u5206\u5e03\u56fe\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/blob\/master\/media\/a32637beec319f1d6d95c6684cc2e4f4.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/github.com\/yuanzhongqiao\/data_analysis-nanjing\/raw\/master\/media\/a32637beec319f1d6d95c6684cc2e4f4.png\" alt=\"\" \/><\/a><\/figure>\n\n\n\n<p>\u56fe40 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