{"id":508,"date":"2021-08-11T22:47:56","date_gmt":"2021-08-11T14:47:56","guid":{"rendered":"http:\/\/hk.khscience.cn\/docs\/?p=508"},"modified":"2023-06-18T17:03:32","modified_gmt":"2023-06-18T09:03:32","slug":"bpforecast","status":"publish","type":"post","link":"https:\/\/www.khsci.com\/docs\/index.php\/2021\/08\/11\/bpforecast\/","title":{"rendered":"BP\u795e\u7ecf\u7f51\u7edc\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\u7a0b\u5e8f"},"content":{"rendered":"<p><strong>\u4e00\u3001\u7a0b\u5e8f\u4ecb\u7ecd<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2021\/08\/48bf103eb3a861c4527fb49c7342a9d4.png\" width=\"913\" height=\"443\" \/><\/p>\n<p><strong>\u4e8c\u3001\u4ee3\u7801\u8fd0\u884c\u73af\u5883<\/strong><\/p>\n<p style=\"padding-left: 40px;\">MATLAB2016~2021<\/p>\n<p><strong>\u4e09\u3001\u7a0b\u5e8f\u5177\u4f53\u5185\u5bb9<\/strong><\/p>\n<p style=\"padding-left: 40px;\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2021\/08\/cf56e1bc446b06c048b13a265a65316a.png\" \/><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 10pt; font-family: \u6977\u4f53;\">\u6ce8\uff1a<img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2020\/04\/d2f64ad140f71d4582ec56dfb0893b44.png\" \/>\u56fe\u6807\u4ee3\u8868\u8be5m\u6587\u4ef6\u4e3a\u811a\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\uff1b<img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2020\/04\/5823613e4f686c23a078445e25e3e8eb.png\" \/>\u56fe\u6807\u4ee3\u8868\u51fd\u6570\u6587\u4ef6\uff0c\u5728\u6ca1\u6709\u8f93\u5165\u53d8\u91cf\u7684\u60c5\u51b5\u4e0b\u65e0\u6cd5\u76f4\u63a5\u8fd0\u884c\u3002\u66f4\u8be6\u7ec6\u7684\u89e3\u91ca\u53ef\u4ee5\u770b<a href=\"https:\/\/ww2.mathworks.cn\/help\/matlab\/learn_matlab\/scripts-and-functions.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">\u8fd9\u91cc<\/a>\u3002<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #ff6600;\"><strong>1.demos\u6587\u4ef6\u5939<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\">demos\u6587\u4ef6\u5939\u4e2d\u5168\u90e8\u4e3a\u811a\u672c\u6587\u4ef6\uff0c\u5176\u4e2d\u7684\u6587\u4ef6\u4f7f\u7528\u4e86funs\u6587\u4ef6\u5939\u4e2d\u7684\u51fd\u6570\u6587\u4ef6\u5b9e\u73b0\u5404\u79cd\u529f\u80fd\u3002<\/p>\n<p style=\"padding-left: 80px;\"><strong>1.1.ScriptBP_Mul.m<\/strong><\/p>\n<p style=\"padding-left: 80px;\">\u8c03\u7528funs\u4e2d\u7684FunForeBP_Mul\u51fd\u6570\u8fdb\u884c<strong>\u591a\u6b65\u9884\u6d4b\uff08\u4e0d\u5212\u5206\u8bad\u7ec3\u96c6\/\u6d4b\u8bd5\u96c6\uff09<\/strong>\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u4e86FunForeBP_Mul\u51fd\u6570\u7684\u5e38\u89c4\u7528\u6cd5\u3002<\/p>\n<p style=\"padding-left: 80px;\"><strong>1.2.ScriptBP_Mul_TrainAndTest.m<\/strong><\/p>\n<p style=\"padding-left: 80px;\">\u8c03\u7528funs\u4e2d\u7684FunForeBP_Mul_TrainAndTest\u51fd\u6570\u8fdb\u884c<strong>\u591a\u6b65\u9884\u6d4b\uff08\u5212\u5206\u8bad\u7ec3\u96c6\/\u6d4b\u8bd5\u96c6\uff09<\/strong>\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u4e86FunForeBP_Mul_TrainAndTest\u51fd\u6570\u7684\u5e38\u89c4\u7528\u6cd5\u3002<\/p>\n<p style=\"padding-left: 80px;\"><strong>1.3.ScriptBP_Onestep_TrainAndTest.m<\/strong><\/p>\n<p style=\"padding-left: 80px;\">\u8c03\u7528funs\u4e2d\u7684FunForeBP_Onestep_TrainAndTest\u51fd\u6570\u8fdb\u884c<strong>\u5355\u6b65\u9884\u6d4b\uff08\u5212\u5206\u8bad\u7ec3\u96c6\/\u6d4b\u8bd5\u96c6\uff09<\/strong>\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u4e86FunForeBP_Onestep_TrainAndTest\u51fd\u6570\u7684\u5e38\u89c4\u7528\u6cd5\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #ff6600;\"><strong>2.funs\u6587\u4ef6\u5939<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\">funs\u6587\u4ef6\u5939\u4e2d\u4e3a\u8be5\u5de5\u5177\u7bb1\u76f8\u5173\u7684\u51fd\u6570\u6587\u4ef6\uff0c\u8be5\u6587\u4ef6\u5939\u4e2d\u7684\u6587\u4ef6\u65e0\u6cd5\u76f4\u63a5\u8fd0\u884c\uff0c\u9700\u8981\u5728\u5176\u4ed6\u6587\u4ef6\u6216\u547d\u4ee4\u884c\u7a97\u53e3\u4e2d\u5bf9\u5165\u53e3\u53c2\u6570\u8d4b\u503c\u5e76\u8c03\u7528\u3002<\/p>\n<p style=\"padding-left: 80px;\"><strong>2.1.DivideInputAndOutput.m<\/strong><\/p>\n<p style=\"padding-left: 80px;\">\u5bf9\u4e8e\u4e00\u7ef4\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\uff0c\u5c06\u8f93\u5165\u7684\u65f6\u95f4\u5e8f\u5217\u5212\u5206\u4e3a\u540e\u7eed\u6a21\u578b\u8bad\u7ec3\u7684\u8f93\u5165\u548c\u8f93\u51fa\u3002\u8be5\u51fd\u6570\u4e3a\u7b14\u8005\u5c01\u88c5\u7684\u5e95\u5c42\u901a\u7528\u51fd\u6570\uff0c\u5728\u5176\u4ed6\u51fd\u6570\u4e2d\u5d4c\u5957\u8c03\u7528\uff0c\u4e5f\u53ef\u7075\u6d3b\u8fd0\u7528\u4e8e\u5404\u79cd\u76f8\u5173\u573a\u666f\u4e2d\u3002\u51fd\u6570\u53c2\u6570\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n<p style=\"padding-left: 80px;\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2021\/08\/2aad7482532b3a20c3ac8ae1a64a80aa.png\" \/><\/p>\n<p style=\"padding-left: 80px;\"><strong>2.2.DivideTrainAndTestTimes.m<\/strong><\/p>\n<p style=\"padding-left: 80px;\">\u5bf9\u4e8e\u4e00\u7ef4\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\uff0c\u5c06\u8f93\u5165\u7684\u65f6\u95f4\u5e8f\u5217\u5212\u5206\u4e3a\u540e\u7eed\u6a21\u578b\u8bad\u7ec3\u96c6\u3001\u6d4b\u8bd5\u96c6\u7684\u8f93\u5165\u548c\u8f93\u51fa\u3002\u540c\u6837\u4e3a\u5e95\u5c42\u901a\u7528\u51fd\u6570\uff0c\u53ef\u7075\u6d3b\u8fd0\u7528\u4e8e\u5404\u79cd\u76f8\u5173\u573a\u666f\u4e2d\u3002\u51fd\u6570\u53c2\u6570\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n<p style=\"padding-left: 80px;\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2021\/08\/20832a98b55c9bcf5e8283f9f4160c4f.png\" \/><\/p>\n<p style=\"padding-left: 80px;\"><strong>2.3.EvaForeEffect.m<\/strong><\/p>\n<p style=\"padding-left: 80px;\">\u7528\u4e8e\u8bc4\u4ef7\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\u6548\u679c\u5404\u4e2a\u91cf\u5316\u6307\u6807\u7684\u901a\u7528\u51fd\u6570\uff0c\u96c6\u5408\u4e86MSE\u3001RMSE\u3001MAE\u3001MAPE\u3001R2\u7b49\u8bc4\u4ef7\u6307\u6807\uff0c\u4e00\u884c\u4ee3\u7801\u5c31\u53ef\u4ee5\u5f97\u5230\u9884\u6d4b\u8bc4\u4ef7\u7ed3\u679c\u3002<\/p>\n<p style=\"padding-left: 80px;\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2021\/08\/8503be4c4b5997b361555b2d67a5264d.png\" \/><\/p>\n<p style=\"padding-left: 80px;\"><strong>2.4.FunForeBP_Mul.m<\/strong><\/p>\n<p style=\"padding-left: 80px;\">\u4f7f\u7528BP\u795e\u7ecf\u7f51\u7edc\u65b9\u6cd5\u8fdb\u884c\u591a\u6b65\u9884\u6d4b\u3002\u51fd\u6570\u53c2\u6570\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n<p style=\"padding-left: 80px;\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2021\/08\/604bfcb054cb42d7c388bcdf57c8fa1b.png\" \/><\/p>\n<p style=\"padding-left: 80px;\"><strong>2.5.FunForeBP_Mul_TrainAndTest.m<\/strong><\/p>\n<p style=\"padding-left: 80px;\">BP\u795e\u7ecf\u7f51\u7edc\u505a\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\u201c\u9884\u6d4b\u201d\u7684\u7a0b\u5e8f\uff08\u591a\u6b65\uff09\uff0c\u90e8\u5206\u6570\u636e\u7528\u6765\u8bad\u7ec3\uff0c\u5269\u4f59\u6570\u636e\u62ff\u6765\u505a\u5bf9\u6bd4\u9a8c\u8bc1\u3002\u51fd\u6570\u53c2\u6570\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n<p style=\"padding-left: 80px;\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2021\/08\/06e3f12ae1a91a0ee476f85a5d45845e.png\" \/><\/p>\n<p style=\"padding-left: 80px;\"><strong>2.6.FunForeBP_Onestep_TrainAndTest.m<\/strong><\/p>\n<p style=\"padding-left: 80px;\">BP\u795e\u7ecf\u7f51\u7edc\u505a\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\u201c\u9884\u6d4b\u201d\u7684\u7a0b\u5e8f\uff08\u5355\u6b65\uff09\uff0c\u90e8\u5206\u6570\u636e\u7528\u6765\u8bad\u7ec3\uff0c\u5269\u4f59\u6570\u636e\u62ff\u6765\u505a\u5bf9\u6bd4\u9a8c\u8bc1\u3002\u51fd\u6570\u53c2\u6570\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n<p style=\"padding-left: 80px;\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2021\/08\/9bff8b11ed106711c09a14d6896d91b0.png\" \/><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #ff6600;\"><strong>3.install_funs.m<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\">\u5de5\u5177\u7bb1\u5feb\u901f\u5b89\u88c5\u51fd\u6570\uff0c\u4f7f\u7528\u65b9\u6cd5\u89c1\u7b2c\u56db\u8282\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #ff6600;\"><strong>4.uninstall_funs.m<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\">\u5de5\u5177\u7bb1\u5feb\u901f\u5378\u8f7d\u51fd\u6570\uff0c\u4f7f\u7528\u65b9\u6cd5\u89c1\u7b2c\u56db\u8282\u3002<\/p>\n<h4 id=\"\u56db\u3001\u5feb\u901f\u5f00\u59cb\">\u56db\u3001\u5feb\u901f\u5f00\u59cb<\/h4>\n<p style=\"padding-left: 40px;\"><strong>1.\u4e00\u952e\u5f0f\u5b89\u88c5\u5de5\u5177\u7bb1<\/strong><\/p>\n<p style=\"padding-left: 40px;\">\u4f7f\u7528\u524d\u5efa\u8bae\u5148\u6267\u884c\u5b89\u88c5\uff0c\u5b89\u88c5\u65b9\u6cd5\u4e3a\uff1a<\/p>\n<p style=\"padding-left: 40px;\">\uff081\uff09\u53f3\u952e\u70b9\u51fb\u201cinstall_funs.m\u201d\uff0c\u518d\u70b9\u8fd0\u884c\u3002<\/p>\n<p style=\"padding-left: 40px;\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2020\/04\/25cc39838b241edbfead5c3e322716ea.png\" width=\"189\" height=\"320\" \/><\/p>\n<p style=\"padding-left: 40px;\">\uff082\uff09\u5f53\u5728\u547d\u4ee4\u884c\u7a97\u53e3\u51fa\u73b0\u4e0b\u56fe\u63d0\u793a\u65f6\u8bf4\u660e\u5b89\u88c5\u5b8c\u6210<\/p>\n<p style=\"padding-left: 40px;\"><img decoding=\"async\" src=\"https:\/\/khsci.com\/docs\/wp-content\/uploads\/2020\/04\/7cde49877187a470520212fc50ba24f9.png\" \/><\/p>\n<p style=\"padding-left: 40px;\"><strong>2.\u4f7f\u7528\u4f60\u7684\u6570\u636e\u5feb\u901f\u83b7\u53d6\u9884\u6d4b\u7ed3\u679c<\/strong><\/p>\n<p style=\"padding-left: 40px;\">\uff081\uff09\u5bfc\u5165\u6570\u636e<\/p>\n<p style=\"padding-left: 80px;\">\u6839\u636e\u4f60\u7684\u6587\u4ef6\u7c7b\u578b\u7684\u4e0d\u540c\uff08excel,txt,csv\u7b49\uff09\uff0c\u5c06\u6570\u636e\u5bfc\u5165MATLAB\u7684\u65b9\u6cd5\u6709\u6240\u4e0d\u540c\u3002\u540c\u5b66\u4eec\u53ef\u4ee5\u5148\u53c2\u8003<a href=\"https:\/\/ww2.mathworks.cn\/help\/matlab\/import_export\/supported-file-formats.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">\u8fd9\u4e2a\u6587\u6863<\/a>\u3002\u6216\u8005\u770b\u535a\u4e3b\u9488\u5bf9\u5e38\u7528\u6587\u4ef6\u7684\u5bfc\u5165\u65b9\u6cd5\u7684<a href=\"https:\/\/khsci.com\/docs\/index.php\/2020\/05\/17\/loaddata\/\">\u8fd9\u4e2a\u6559\u7a0b<\/a>\u3002<\/p>\n<p style=\"padding-left: 80px;\">\u5982\u679c\u4f60\u5df2\u7ecf\u5b9e\u73b0\u4e86\u6570\u636e\u5bfc\u5165\uff0c\u8fd9\u65f6\u5019\u5e94\u8be5\u62e5\u6709\u4e86\u4e00\u4e2a\u4e00\u7ef4\u6570\u636e\u53d8\u91cf\uff0c\u8fd9\u65f6\u5019\u5c31\u53ef\u4ee5\u8c03\u7528\u51fd\u6570\u8fdb\u884c\u9884\u6d4b\u4e86\u3002<\/p>\n<p style=\"padding-left: 40px;\">\uff082\uff09\u5b9e\u73b0\u9884\u6d4b<\/p>\n<p style=\"padding-left: 80px;\">\u53c2\u7167demos\u6587\u4ef6\u5939\u4e2d\u7684m\u6587\u4ef6\u7f16\u5199\u81ea\u5df1\u7684\u811a\u672c\u6587\u4ef6\u3002<\/p>\n<p style=\"padding-left: 40px;\"><strong>3.\u5378\u8f7d\u5de5\u5177\u7bb1<\/strong><\/p>\n<p style=\"padding-left: 80px;\">\u8fd9\u6b65\u901a\u5e38\u662f\u4e0d\u9700\u8981\u7684\uff0c\u5982\u679c\u4e00\u5b9a\u8981\u5378\u8f7d\uff08\u4eceMATLAB\u8def\u5f84\u4e2d\u53bb\u9664\uff09\u8be5\u5de5\u5177\u7bb1\uff0c\u5219\u53f3\u952euninstall_funs.m\u8fd0\u884c\u5373\u53ef\u3002<\/p>\n<h4>\u4e94\u3001\u5173\u4e8e\u5b8c\u6574\u7248\u4e0e\u516c\u5f00\u7248\u4ee3\u7801<\/h4>\n<table style=\"border-collapse: collapse; width: 100%; height: 120px;\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"width: 57.5537%; height: 24px;\">\u529f\u80fd<\/td>\n<td style=\"width: 20.4254%; height: 24px;\">\u6b63\u5f0f\u7248<\/td>\n<td style=\"width: 22.0208%; height: 24px;\">\u516c\u5f00\u7248<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 57.5537%; height: 24px;\">\u6570\u636e\u5bfc\u5165\u3001\u53c2\u6570\u8bbe\u7f6e\u3001\u6a21\u578b\u8bad\u7ec3\u4e0e\u53ef\u89c6\u5316\u7ed3\u679c\u5c55\u793a<\/td>\n<td style=\"width: 20.4254%; height: 24px;\">\u221a<\/td>\n<td style=\"width: 22.0208%; height: 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