{"id":2973,"date":"2025-11-03T14:53:39","date_gmt":"2025-11-03T06:53:39","guid":{"rendered":"https:\/\/earthft.com\/?p=2973"},"modified":"2025-11-03T14:54:59","modified_gmt":"2025-11-03T06:54:59","slug":"%e5%9f%ba%e4%ba%8e%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e6%96%b9%e6%b3%95%e7%9a%84%e4%b9%a1%e9%95%87%e5%b0%ba%e5%ba%a6%e4%ba%ba%e5%8f%a3%e5%af%86%e5%ba%a6%e9%a2%84%e6%b5%8b-%e4%bb%a5","status":"publish","type":"post","link":"https:\/\/earthft.com\/en\/%e5%9f%ba%e4%ba%8e%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e6%96%b9%e6%b3%95%e7%9a%84%e4%b9%a1%e9%95%87%e5%b0%ba%e5%ba%a6%e4%ba%ba%e5%8f%a3%e5%af%86%e5%ba%a6%e9%a2%84%e6%b5%8b-%e4%bb%a5\/","title":{"rendered":"\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u65b9\u6cd5\u7684\u4e61\u9547\u5c3a\u5ea6\u4eba\u53e3\u5bc6\u5ea6\u9884\u6d4b\u2014\u2014\u4ee5\u5185\u8499\u53e4\u4e3a\u4f8b"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"498\" height=\"224\" src=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/11\/image-1.png\" alt=\"\" class=\"wp-image-2974\" srcset=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/11\/image-1.png 498w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/11\/image-1-300x135.png 300w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/11\/image-1-18x8.png 18w\" sizes=\"(max-width: 498px) 100vw, 498px\" \/><\/figure>\n\n\n\n<p>\u8fd1\u671f\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u5730\u7406\u6240\u80e1\u4e91\u950b\u8bfe\u9898\u7ec4\u3001\u5185\u8499\u53e4\u5e08\u8303\u5927\u5b66\u5305\u7389\u6d77\u8bfe\u9898\u7ec4\uff0c\u8054\u5408\u5728ISPRS International Journal of Geo-Information\u4e0a\u53d1\u8868\u7814\u7a76\u8bba\u6587\uff1aPopulation Density Prediction at Township Scale Supported by Machine Learning Method: A Case Study in Inner Mongolia\u3002\u7b2c\u4e00\u4f5c\u8005\u4e3a\u5d14\u6668\u66e6\uff0c\u7cfb\u5185\u8499\u53e4\u5e08\u8303\u5927\u5b66\u7855\u58eb\u7814\u7a76\u751f\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u5730\u7406\u79d1\u5b66\u4e0e\u8d44\u6e90\u7814\u7a76\u6240\u5ba2\u5ea7\u7814\u7a76\u751f\u3002<br>\u968f\u7740\u4eba\u53e3\u8fc1\u79fb\u548c\u57ce\u5e02\u5316\u7684\u5feb\u901f\u52a0\u901f\uff0c\u51c6\u786e\u7684\u4eba\u53e3\u5bc6\u5ea6\u9884\u6d4b\u5df2\u6210\u4e3a\u533a\u57df\u89c4\u5212\u3001\u793e\u4f1a\u7ecf\u6d4e\u53d1\u5c55\u548c\u8d44\u6e90\u7ba1\u7406\u7684\u5173\u952e\u7814\u7a76\u9886\u57df\u3002\u5bf9\u4eba\u53e3\u5bc6\u5ea6\u7684\u9ad8\u7cbe\u5ea6\u9884\u6d4b\u53ef\u4ee5\u6781\u5927\u5730\u5e2e\u52a9\u51b3\u7b56\u8005\u8fdb\u884c\u8d44\u6e90\u5206\u914d\u3001\u57fa\u7840\u8bbe\u65bd\u89c4\u5212\u548c\u5e94\u6025\u7ba1\u7406\uff0c\u4ece\u800c\u652f\u6301\u53ef\u6301\u7eed\u53d1\u5c55\u3002\u672c\u7814\u7a76\u901a\u8fc7\u6574\u5408\u591a\u6e90\u6570\u636e\u9884\u6d4b\u5185\u8499\u53e4\u4e61\u9547\u5c42\u9762\u7684\u4eba\u53e3\u5bc6\u5ea6\uff0c\u91c7\u7528\u673a\u5668\u5b66\u4e60\u6a21\u578b\uff0c\u5305\u62ec\u968f\u673a\u68ee\u6797\u3001XGBoost \u548c LightGBM \u663e\u8457\u63d0\u9ad8\u9884\u6d4b\u51c6\u786e\u6027\uff0c\u5e76\u5229\u7528\u53ef\u89e3\u91ca\u7684\u673a\u5668\u5b66\u4e60\u6280\u672f\u6765\u5b9a\u91cf\u5206\u6790\u5404\u79cd\u53d8\u91cf\u5bf9\u4eba\u53e3\u5206\u5e03\u7684\u8d21\u732e\u3002\u8be5\u7814\u7a76\u4e0d\u4ec5\u4e3a\u5185\u8499\u53e4\u5730\u533a\u7684\u4eba\u53e3\u5bc6\u5ea6\u9884\u6d4b\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\uff0c\u4e5f\u4e3a\u5168\u7403\u7c7b\u4f3c\u5730\u533a\u7684\u4eba\u53e3\u7814\u7a76\u63d0\u4f9b\u4e86\u521b\u65b0\u7684\u6280\u672f\u652f\u6301\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>1. \u524d\u8a00<\/strong><\/p>\n\n\n\n<p>\u968f\u7740\u4eba\u53e3\u8fc1\u79fb\u548c\u57ce\u5e02\u5316\u8fdb\u7a0b\u7684\u52a0\u901f\uff0c\u51c6\u786e\u7684\u4eba\u53e3\u5bc6\u5ea6\u9884\u6d4b\u5728\u533a\u57df\u89c4\u5212\u3001\u793e\u4f1a\u7ecf\u6d4e\u53d1\u5c55\u548c\u8d44\u6e90\u7ba1\u7406\u4e2d\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u9ad8\u7cbe\u5ea6\u7684\u4eba\u53e3\u5bc6\u5ea6\u9884\u6d4b\u53ef\u4ee5\u5e2e\u52a9\u51b3\u7b56\u8005\u6709\u6548\u914d\u7f6e\u8d44\u6e90\u3001\u89c4\u5212\u57fa\u7840\u8bbe\u65bd\u548c\u5e94\u6025\u7ba1\u7406\uff0c\u652f\u6301\u53ef\u6301\u7eed\u53d1\u5c55\u3002\u4f20\u7edf\u7684\u4eba\u53e3\u5bc6\u5ea6\u9884\u6d4b\u65b9\u6cd5\u4e3b\u8981\u4f9d\u8d56\u5b8f\u89c2\u7edf\u8ba1\u6570\u636e\u548c\u7a7a\u95f4\u63d2\u503c\u7b49\u6280\u672f\uff0c\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u7684\u9884\u6d4b\uff0c\u4f46\u5728\u5c0f\u5c3a\u5ea6\uff08\u5982\u4e61\u9547\uff09\u7684\u5e94\u7528\u4e2d\uff0c\u5b58\u5728\u6355\u6349\u7a7a\u95f4\u5f02\u8d28\u6027\u548c\u591a\u53d8\u91cf\u4ea4\u4e92\u7684\u5c40\u9650\u6027\u3002\u4e3a\u514b\u670d\u8fd9\u4e00\u5c40\u9650\uff0c\u672c\u7814\u7a76\u91c7\u7528\u7b2c\u4e03\u6b21\u4eba\u53e3\u666e\u67e5\u6570\u636e\uff0c\u7ed3\u5408\u591a\u6e90\u6570\u636e\uff08\u5982\u9065\u611f\u6570\u636e\u3001\u571f\u5730\u5229\u7528\u6570\u636e\u548c\u591c\u95f4\u5149\u6570\u636e\uff09\u8fdb\u884c\u4eba\u53e3\u5bc6\u5ea6\u9884\u6d4b\uff0c\u4ece\u4e61\u9547\u5c3a\u5ea6\u5c55\u73b0\u5185\u8499\u53e4\u533a\u57df\u7684\u4eba\u53e3\u7a7a\u95f4\u5206\u5e03\u683c\u5c40\u53ca\u5404\u79cd\u673a\u5668\u5b66\u4e60\u6a21\u578b\u5728\u9884\u6d4b\u4eba\u53e3\u5bc6\u5ea6\u65b9\u9762\u7684\u8868\u73b0\u3002<\/p>\n\n\n\n<p><strong>2. <\/strong><strong>\u7814\u7a76\u65b9\u6cd5<\/strong><strong>\u591a\u5143\u7ebf\u6027\u56de\u5f52 (Multiple Linear Regression)\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7528\u4e8e\u63a2\u7d22\u591a\u4e2a\u72ec\u7acb\u53d8\u91cf\u4e0e\u4eba\u53e3\u5bc6\u5ea6\u4e4b\u95f4\u7684\u7ebf\u6027\u5173\u7cfb\uff1b<\/strong><\/li>\n\n\n\n<li><strong>\u901a\u8fc7\u7ebf\u6027\u65b9\u7a0b\u91cf\u5316\u72ec\u7acb\u53d8\u91cf\u5bf9\u4eba\u53e3\u5bc6\u5ea6\u7684\u7ebf\u6027\u5f71\u54cd\uff1b<\/strong><\/li>\n\n\n\n<li><strong>\u9002\u7528\u4e8e\u6355\u6349\u7b80\u5355\u7684\u7ebf\u6027\u5173\u7cfb\uff0c\u4f46\u5728\u9762\u5bf9\u590d\u6742\u7684\u975e\u7ebf\u6027\u5173\u7cfb\u65f6\u53ef\u80fd\u8868\u73b0\u4e0d\u8db3\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\u673a\u5668\u5b66\u4e60\u6a21\u578b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u968f\u673a\u68ee\u6797 (Random Forest, RF)\uff1a\u901a\u8fc7\u6784\u5efa\u591a\u4e2a\u51b3\u7b56\u6811\u5e76\u5bf9\u7ed3\u679c\u8fdb\u884c\u5e73\u5747\u6765\u63d0\u9ad8\u9884\u6d4b\u51c6\u786e\u6027\uff0c\u5177\u6709\u5f3a\u5927\u7684\u9c81\u68d2\u6027\u548c\u6297\u566a\u80fd\u529b\uff1b<\/strong><\/li>\n\n\n\n<li><strong>XGBoost\uff1a\u57fa\u4e8e\u68af\u5ea6\u63d0\u5347\u51b3\u7b56\u6811\uff08GBDT\uff09\u7b97\u6cd5\uff0c\u91c7\u7528\u8fed\u4ee3\u4f18\u5316\u7684\u65b9\u5f0f\u63d0\u5347\u6a21\u578b\u7684\u9884\u6d4b\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u5904\u7406\u975e\u7ebf\u6027\u6570\u636e\uff1b<\/strong><\/li>\n\n\n\n<li><strong>LightGBM\uff1a\u4e0eXGBoost\u76f8\u4f3c\uff0c\u91c7\u7528\u68af\u5ea6\u63d0\u5347\u51b3\u7b56\u6811\uff0c\u4f46\u901a\u8fc7\u66f4\u9ad8\u6548\u7684\u7b97\u6cd5\u548c\u4f18\u5316\u7b56\u7565\uff0c\u80fd\u591f\u52a0\u901f\u8bad\u7ec3\u8fc7\u7a0b\u5e76\u63d0\u9ad8\u9884\u6d4b\u7cbe\u5ea6\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>K\u6298\u4ea4\u53c9\u9a8c\u8bc1(K-Fold Cross-Validation)\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5c06\u6570\u636e\u96c6\u968f\u673a\u5212\u5206\u4e3aK\u4e2a\u5b50\u96c6\uff0c\u6bcf\u6b21\u8fed\u4ee3\u4f7f\u7528\u4e00\u4e2a\u5b50\u96c6\u4f5c\u4e3a\u9a8c\u8bc1\u96c6\uff0c\u5176\u4f59\u5b50\u96c6\u7528\u4e8e\u8bad\u7ec3\u3002\u6bcf\u8f6e\u9a8c\u8bc1\u540e\uff0c\u7ed3\u679c\u53d6\u5e73\u5747\uff0c\u786e\u4fdd\u6a21\u578b\u8bc4\u4f30\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u672c\u7814\u7a76\u91c7\u752810\u6298\u4ea4\u53c9\u9a8c\u8bc1\uff0c\u5c06\u6570\u636e\u5212\u5206\u4e3a10\u4e2a\u5b50\u96c6\uff0c\u8bad\u7ec3\u548c\u9a8c\u8bc1\u5404\u8fdb\u884c10\u8f6e\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\u51c6\u786e\u6027\u8bc4\u4f30\u6307\u6807\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5747\u65b9\u8bef\u5dee (MSE)\uff1a\u8861\u91cf\u9884\u6d4b\u503c\u4e0e\u5b9e\u9645\u503c\u4e4b\u95f4\u7684\u5e73\u65b9\u5dee\u7684\u5e73\u5747\u503c\uff0c\u53cd\u6620\u6574\u4f53\u9884\u6d4b\u8bef\u5dee\uff1b<\/strong><\/li>\n\n\n\n<li><strong>\u5e73\u5747\u7edd\u5bf9\u8bef\u5dee (MAE)\uff1a\u8861\u91cf\u9884\u6d4b\u503c\u4e0e\u5b9e\u9645\u503c\u4e4b\u95f4\u7684\u7edd\u5bf9\u5dee\u7684\u5e73\u5747\u503c\uff0c\u63d0\u4f9b\u76f4\u89c2\u7684\u9884\u6d4b\u7cbe\u5ea6\uff1b<\/strong><\/li>\n\n\n\n<li><strong>\u51b3\u5b9a\u7cfb\u6570 (R\u00b2)\uff1a\u8bc4\u4f30\u6a21\u578b\u5bf9\u56e0\u53d8\u91cf\u53d8\u5316\u7684\u89e3\u91ca\u80fd\u529b\uff0cR\u00b2\u503c\u8d8a\u63a5\u8fd11\u8868\u793a\u6a21\u578b\u62df\u5408\u8d8a\u597d\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>3. <\/strong><strong>\u7814\u7a76\u7ed3\u679c<\/strong><\/p>\n\n\n\n<p>\uff081\uff09\u5185\u8499\u53e4\u4eba\u53e3\u5bc6\u5ea6\u7684\u7a7a\u95f4\u5206\u5e03\u6a21\u5f0f\uff0c\u6574\u4f53\u5448\u73b0\u5012\u201cS\u201d\u5f62\u72b6\u3002\u4eba\u53e3\u5bc6\u5ea6\u7684\u8fb9\u754c\u7531\u201c\u4e4c\u9c81\u5e03\u94c1\uff08C1\uff09\u2014\u56fe\u52d2\u6bdb\u90fd\uff08C2\uff09\u2014\u6d2a\u683c\u5c14\u9ad8\u52d2\uff08C3\uff09\u2014\u5df4\u97f3\u5b9d\u529b\u683c\uff08C4\uff09\u2014\u5609\u5c14\u560e\u52d2\u8d5b\u6c57\uff08C5\uff09\u201d\u4e00\u7ebf\u5212\u5b9a\uff0c\u5448\u73b0\u51fa\u4ece\u4e1c\u5357\u5411\u897f\u5317\u7684\u5206\u5e03\u8d8b\u52bf\u3002\u8be5\u8fb9\u754c\u4e0e300\u6beb\u7c73\u7b49\u964d\u6c34\u91cf\u7ebf\u548c\u5927\u5174\u5b89\u5cad\uff08M1\uff09\u2014\u9634\u5c71\uff08M2\uff09\u2014\u72fc\u5c71\uff08M3\uff09\u5c71\u8109\u5927\u81f4\u4e00\u81f4\u3002\u4eba\u53e3\u5bc6\u5ea6\u8f83\u9ad8\u7684\u5730\u533a\u4e3b\u8981\u96c6\u4e2d\u5728\u6cb3\u5957\u5e73\u539f\uff08\u9ec4\u6cb3\u6d41\u7ecf\u7684\u5185\u8499\u53e4\u4e2d\u90e8\u5730\u533a\uff09\u548c\u5185\u8499\u53e4\u4e1c\u5357\u90e8\u7684\u9521\u8fbd\u6cb3\u6d41\u57df\uff08\u5305\u62ec\u901a\u8fbd\u548c\u8d64\u5cf0\uff09\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u4eba\u53e3\u5bc6\u5ea6\u8f83\u4f4e\u7684\u5730\u533a\u4e3b\u8981\u5206\u5e03\u5728300\u6beb\u7c73\u7b49\u964d\u6c34\u91cf\u7ebf\u4ee5\u5357\u7684\u8349\u539f\u548c\u6c99\u6f20\u533a\u57df\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/7qvyD8xMUkT75AL73oTaFibjtsgtrp3b0w7TIFW7Sibl0sW7TydUFQmQzzw5rToAx4C9KoAfC3wfMmruYlha88pQ\/640?wx_fmt=png&amp;from=appmsg&amp;tp=wxpic&amp;wxfrom=5&amp;wx_lazy=1#imgIndex=1\" 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