{"id":6577,"date":"2024-08-03T14:01:01","date_gmt":"2024-08-03T06:01:01","guid":{"rendered":""},"modified":"2024-08-03T14:01:01","modified_gmt":"2024-08-03T06:01:01","slug":"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc","status":"publish","type":"post","link":"https:\/\/mushiming.com\/6577.html","title":{"rendered":"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc"},"content":{"rendered":"<p>\u6700\u8fd1\u6211\u4eec\u88ab\u5ba2\u6237\u8981\u6c42\u64b0\u5199\u5173\u4e8eLSTM\u7684\u7814\u7a76\u62a5\u544a\uff0c\u5305\u62ec\u4e00\u4e9b\u56fe\u5f62\u548c\u7edf\u8ba1\u8f93\u51fa\u3002<\/p>\n<\/p>\n<p>\u914d\u7f6e\u795e\u7ecf\u7f51\u7edc\u5f88\u56f0\u96be\uff0c\u56e0\u4e3a\u6ca1\u6709\u5173\u4e8e\u5982\u4f55\u53bb\u505a\u7684\u597d\u7684\u7406\u8bba\u3002<\/p>\n<p>\u60a8\u5fc5\u987b\u7cfb\u7edf\u5730\u4ece\u52a8\u6001\u548c\u5ba2\u89c2\u7ed3\u679c\u7684\u89d2\u5ea6\u63a2\u7d22\u4e0d\u540c\u7684\u53c2\u6570\u914d\u7f6e\uff0c\u4ee5\u5c1d\u8bd5\u4e86\u89e3\u7ed9\u5b9a\u9884\u6d4b\u5efa\u6a21\u95ee\u9898\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3\u5982\u4f55\u63a2\u7d22\u5982\u4f55\u9488\u5bf9\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\u95ee\u9898\u914d\u7f6e LSTM \u7f51\u7edc\u53c2\u6570\u3002<\/p>\n<\/p>\n<hr>\n<p><strong>\u76f8\u5173\u89c6\u9891\uff1aLSTM<\/strong><strong>\u795e\u7ecf\u7f51\u7edc\u67b6\u6784\u548c\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5728Python\u4e2d\u7684\u9884\u6d4b\u5e94\u7528<\/strong><\/p>\n<div class=\"csdn-video-box\">\n <iframe id=\"QUX954C5-1645785289720\" frameborder=\"0\" src=\"https:\/\/player.bilibili.com\/player.html?aid=851789614\" allowfullscreen=\"true\" data-mediaembed=\"bilibili\"><\/iframe> <\/p>\n<p>LSTM\u795e\u7ecf\u7f51\u7edc\u67b6\u6784\u548c\u539f\u7406\u53ca\u5176\u5728Python\u4e2d\u7684\u9884\u6d4b\u5e94\u7528<\/p>\n<\/div>\n<p>\u5b8c\u6210\u672c\u6559\u7a0b\u540e\uff0c\u60a8\u5c06\u4e86\u89e3\uff1a<\/p>\n<ul>\n<li>\u5982\u4f55\u8c03\u6574\u548c\u89e3\u91ca\u8bad\u7ec3\u65f6\u671f\u6570\u7684\u7ed3\u679c\u3002<\/li>\n<li>\u5982\u4f55\u8c03\u6574\u548c\u89e3\u91ca\u8bad\u7ec3\u6279\u6b21\u5927\u5c0f\u7684\u7ed3\u679c\u3002<\/li>\n<li>\u5982\u4f55\u8c03\u6574\u548c\u89e3\u91ca\u795e\u7ecf\u5143\u6570\u91cf\u7684\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p id=\"caption-attachment-3913\">\u5982\u4f55\u4f7f\u7528 Keras \u8c03\u6574 LSTM \u8d85\u53c2\u6570\u4ee5\u8fdb\u884c\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b<br \/> &nbsp;<\/p>\n<h3>\u6559\u7a0b\u6982\u8ff0<\/h3>\n<p>\u672c\u6559\u7a0b\u5206\u4e3a 6 \u4e2a\u90e8\u5206\uff1b\u4ed6\u4eec\u662f\uff1a<\/p>\n<ol>\n<li>\u6d17\u53d1\u6c34\u9500\u552e\u6570\u636e\u96c6<\/li>\n<li>\u5b9e\u9a8c\u6d4b\u8bd5<\/li>\n<li>\u8c03\u6574\u65f6\u671f\u6570<\/li>\n<li>\u8c03\u6574\u6279\u6b21\u5927\u5c0f<\/li>\n<li>\u8c03\u6574\u795e\u7ecf\u5143\u7684\u6570\u91cf<\/li>\n<li>\u7ed3\u679c\u603b\u7ed3<\/li>\n<\/ol>\n<h3>\u73af\u5883<\/h3>\n<p>\u672c\u6559\u7a0b\u5047\u8bbe\u60a8\u5df2\u5b89\u88c5 Python SciPy \u73af\u5883\u3002\u60a8\u53ef\u4ee5\u5728\u6b64\u793a\u4f8b\u4e2d\u4f7f\u7528 Python 2 \u6216 3\u3002<\/p>\n<p>\u672c\u6559\u7a0b\u5047\u8bbe\u60a8\u5df2\u7ecf\u5b89\u88c5\u4e86 Keras v2.0 \u6216\u66f4\u9ad8\u7248\u672c\u4ee5\u53ca TensorFlow \u3002<\/p>\n<p>\u672c\u6559\u7a0b\u8fd8\u5047\u8bbe\u60a8\u5df2\u5b89\u88c5 scikit-learn\u3001Pandas\u3001NumPy \u548c Matplotlib\u3002<\/p>\n<h2>\u6d17\u53d1\u6c34\u9500\u552e\u6570\u636e\u96c6<\/h2>\n<p>\u8be5\u6570\u636e\u96c6\u63cf\u8ff0\u4e86 3 \u5e74\u671f\u95f4\u6bcf\u6708\u6d17\u53d1\u6c34\u7684\u9500\u552e\u91cf\u3002<\/p>\n<p>\u5355\u4f4d\u662f\u9500\u552e\u8ba1\u6570\uff0c\u6709 36 \u4e2a\u89c2\u5bdf\u503c\u3002<\/p>\n<p>\u4e0b\u9762\u7684\u793a\u4f8b\u52a0\u8f7d\u5e76\u521b\u5efa\u5df2\u52a0\u8f7d\u6570\u636e\u96c6\u7684\u56fe\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code> #\u52a0\u8f7d\u5e76\u7ed8\u5236\u6570\u636e\u96c6 # \u52a0\u8f7d\u6570\u636e\u96c6 def paser(x): return dattme.strptme('190'+x, '%Y-%m') seres = read_csv('sale.csv', header=0, pare_dats=[0]) # \u603b\u7ed3\u524d\u51e0\u884c print(seres.head()) # \u7ed8\u5236\u7ebf\u56fe seres.plot() <\/code><\/pre>\n<\/p>\n<p>\u8fd0\u884c\u793a\u4f8b\u5c06\u6570\u636e\u96c6\u52a0\u8f7d\u4e3a Pandas \u5e8f\u5217\u5e76\u8f93\u51fa\u524d 5 \u884c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/07fdb45ea4364c778748b6fe21b5c0da.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u7136\u540e\u521b\u5efa\u8be5\u5e8f\u5217\u7684\u7ebf\u56fe\uff0c\u663e\u793a\u51fa\u660e\u663e\u7684\u589e\u52a0\u8d8b\u52bf\u3002<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/1259fd69d47749fbb5580a1ec02a0dad.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3901\">\u6d17\u53d1\u6c34\u9500\u552e\u6570\u636e\u96c6\u7684\u7ebf\u56fe<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u770b\u770b\u5b9e\u9a8c\u4e2d\u4f7f\u7528\u7684 LSTM \u914d\u7f6e\u548c\u6d4b\u8bd5\u5de5\u5177\u3002<\/p>\n<\/p>\n<h2>\u5b9e\u9a8c\u6d4b\u8bd5<\/h2>\n<p>\u672c\u8282\u4ecb\u7ecd\u672c\u6559\u7a0b\u4e2d\u4f7f\u7528\u7684\u6d4b\u8bd5\u5de5\u5177\u3002<\/p>\n<h3>\u6570\u636e\u62c6\u5206<\/h3>\n<p>\u6211\u4eec\u5c06\u628a\u6d17\u53d1\u6c34\u9500\u552e\u6570\u636e\u96c6\u5206\u6210\u4e24\u90e8\u5206\uff1a\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\u3002<\/p>\n<p>\u524d\u4e24\u5e74\u7684\u6570\u636e\u5c06\u7528\u4e8e\u8bad\u7ec3\u6570\u636e\u96c6\uff0c\u5269\u4f59\u7684\u4e00\u5e74\u6570\u636e\u5c06\u7528\u4e8e\u6d4b\u8bd5\u96c6\u3002<\/p>\n<p>\u5c06\u4f7f\u7528\u8bad\u7ec3\u6570\u636e\u96c6\u5f00\u53d1\u6a21\u578b\u5e76\u5bf9\u6d4b\u8bd5\u6570\u636e\u96c6\u8fdb\u884c\u9884\u6d4b\u3002<\/p>\n<p>\u6d4b\u8bd5\u6570\u636e\u96c6\u4e0a\u7684\u6301\u4e45\u6027\u9884\u6d4b\u5b9e\u73b0\u4e86\u6bcf\u6708\u6d17\u53d1\u6c34\u9500\u91cf 136.761 \u7684\u8bef\u5dee\u3002\u8fd9\u5728\u6d4b\u8bd5\u96c6\u4e0a\u63d0\u4f9b\u4e86\u53ef\u63a5\u53d7\u7684\u8f83\u4f4e\u6027\u80fd\u754c\u9650\u3002<\/p>\n<h2>\u6a21\u578b\u8bc4\u4f30<\/h2>\n<p>\u4f7f\u7528\u6eda\u52a8\u9884\u6d4b\u573a\u666f\u3002<\/p>\n<p>\u6d4b\u8bd5\u6570\u636e\u96c6\u7684\u6bcf\u4e2a\u65f6\u95f4\u6b65\u5c06\u4e00\u6b21\u8d70\u4e00\u4e2a\u3002\u6a21\u578b\u5c06\u7528\u4e8e\u5bf9\u65f6\u95f4\u6b65\u957f\u8fdb\u884c\u9884\u6d4b\uff0c\u7136\u540e\u5c06\u91c7\u7528\u6d4b\u8bd5\u96c6\u4e2d\u7684\u5b9e\u9645\u9884\u671f\u503c\uff0c\u5e76\u5c06\u5176\u63d0\u4f9b\u7ed9\u6a21\u578b\u7528\u4e8e\u4e0b\u4e00\u4e2a\u65f6\u95f4\u6b65\u957f\u7684\u9884\u6d4b\u3002<\/p>\n<p>\u8fd9\u6a21\u62df\u4e86\u4e00\u4e2a\u771f\u5b9e\u4e16\u754c\u7684\u573a\u666f\uff0c\u5176\u4e2d\u6bcf\u4e2a\u6708\u90fd\u4f1a\u6709\u65b0\u7684\u6d17\u53d1\u6c34\u9500\u552e\u89c2\u5bdf\u7ed3\u679c\uff0c\u5e76\u7528\u4e8e\u4e0b\u4e2a\u6708\u7684\u9884\u6d4b\u3002<\/p>\n<p>\u8fd9\u5c06\u901a\u8fc7\u8bad\u7ec3\u548c\u6d4b\u8bd5\u6570\u636e\u96c6\u7684\u7ed3\u6784\u8fdb\u884c\u6a21\u62df\u3002\u6211\u4eec\u5c06\u4ee5\u4e00\u6b21\u6027\u65b9\u6cd5\u8fdb\u884c\u6240\u6709\u9884\u6d4b\u3002<\/p>\n<p>\u5c06\u6536\u96c6\u5bf9\u6d4b\u8bd5\u6570\u636e\u96c6\u7684\u6240\u6709\u9884\u6d4b\uff0c\u5e76\u8ba1\u7b97\u8bef\u5dee\u4ee5\u603b\u7ed3\u6a21\u578b\u7684\u6280\u80fd\u3002\u5c06\u4f7f\u7528\u5747\u65b9\u6839\u8bef\u5dee (RMSE)\uff0c\u56e0\u4e3a\u5b83\u4f1a\u60e9\u7f5a\u5927\u8bef\u5dee\u5e76\u4ea7\u751f\u4e0e\u9884\u6d4b\u6570\u636e\uff08\u5373\u6bcf\u6708\u6d17\u53d1\u6c34\u9500\u552e\u91cf\uff09\u76f8\u540c\u5355\u4f4d\u7684\u5206\u6570\u3002<\/p>\n<h2>\u6570\u636e\u51c6\u5907<\/h2>\n<p>\u5728\u6211\u4eec\u5c06 LSTM \u6a21\u578b\u62df\u5408\u5230\u6570\u636e\u96c6\u4e4b\u524d\uff0c\u6211\u4eec\u5fc5\u987b\u8f6c\u6362\u6570\u636e\u3002<\/p>\n<p>\u5728\u62df\u5408\u6a21\u578b\u548c\u8fdb\u884c\u9884\u6d4b\u4e4b\u524d\uff0c\u5bf9\u6570\u636e\u96c6\u6267\u884c\u4ee5\u4e0b\u4e09\u4e2a\u6570\u636e\u8f6c\u6362\u3002<\/p>\n<ol>\n<li>\u8f6c\u6362\u65f6\u95f4\u5e8f\u5217\u6570\u636e\uff0c\u4f7f\u5176\u5e73\u7a33\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u6ede\u540e=1 \u5dee\u5206\u4ee5\u6d88\u9664\u6570\u636e\u4e2d\u7684\u589e\u52a0\u8d8b\u52bf\u3002<\/li>\n<li>\u5c06\u65f6\u95f4\u5e8f\u5217\u8f6c\u6362\u4e3a\u76d1\u7763\u5b66\u4e60\u95ee\u9898\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5c06\u6570\u636e\u7ec4\u7ec7\u6210\u8f93\u5165\u548c\u8f93\u51fa\u6a21\u5f0f\uff0c\u5176\u4e2d\u524d\u4e00\u4e2a\u65f6\u95f4\u6b65\u7684\u89c2\u5bdf\u88ab\u7528\u4f5c\u9884\u6d4b\u5f53\u524d\u65f6\u95f4\u6b65\u7684\u89c2\u5bdf\u7684\u8f93\u5165<\/li>\n<li>\u5c06\u89c2\u6d4b\u503c\u8f6c\u6362\u4e3a\u7279\u5b9a\u7684\u91cf\u7eb2\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5c06\u6570\u636e\u91cd\u65b0\u7f29\u653e\u5230 -1 \u548c 1 \u4e4b\u95f4\u7684\u503c\u4ee5\u6ee1\u8db3 LSTM \u6a21\u578b\u7684\u9ed8\u8ba4\u53cc\u66f2\u6b63\u5207\u6fc0\u6d3b\u51fd\u6570\u3002<\/li>\n<\/ol>\n<p>\u5728\u8ba1\u7b97\u548c\u8bef\u5dee\u4e4b\u524d\uff0c\u8fd9\u4e9b\u53d8\u6362\u5728\u9884\u6d4b\u4e2d\u88ab\u8fd4\u56de\u5230\u539f\u59cb\u6bd4\u4f8b\u3002<\/p>\n<h2>\u5b9e\u9a8c\u8fd0\u884c<\/h2>\n<p>\u6bcf\u4e2a\u5b9e\u9a8c\u65b9\u6848\u5c06\u88ab\u8fd0\u884c10\u6b21\u3002<\/p>\n<p>\u8fd9\u6837\u505a\u7684\u539f\u56e0\u662f\uff0cLSTM\u7f51\u7edc\u7684\u968f\u673a\u521d\u59cb\u6761\u4ef6\u5728\u6bcf\u6b21\u8bad\u7ec3\u4e00\u4e2a\u7ed9\u5b9a\u7684\u914d\u7f6e\u65f6\uff0c\u4f1a\u5bfc\u81f4\u975e\u5e38\u4e0d\u540c\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u4e00\u4e2a\u8bca\u65ad\u65b9\u6cd5\u5c06\u88ab\u7528\u6765\u7814\u7a76\u6a21\u578b\u914d\u7f6e\u3002\u8fd9\u5c31\u662f\u5c06\u521b\u5efa\u6a21\u578b\u6280\u80fd\u968f\u65f6\u95f4\u53d8\u5316\u7684\u7ebf\u56fe\uff08\u8bad\u7ec3\u8fed\u4ee3\u79f0\u4e3aepochs\uff09\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u7814\u7a76\uff0c\u4ee5\u6df1\u5165\u4e86\u89e3\u4e00\u4e2a\u7ed9\u5b9a\u7684\u914d\u7f6e\u662f\u5982\u4f55\u6267\u884c\u7684\uff0c\u4ee5\u53ca\u5982\u4f55\u8c03\u6574\u5b83\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002<\/p>\n<p>\u5728\u6bcf\u4e2a\u5386\u65f6\u7ed3\u675f\u65f6\uff0c\u6a21\u578b\u5c06\u5728\u8bad\u7ec3\u548c\u6d4b\u8bd5\u6570\u636e\u96c6\u4e0a\u8fdb\u884c\u8bc4\u4f30\uff0c\u5e76\u4fdd\u5b58RMSE\u5206\u6570\u3002<\/p>\n<p>\u6bcf\u4e2a\u573a\u666f\u7ed3\u675f\u65f6\u7684\u8bad\u7ec3\u548c\u6d4b\u8bd5RMSE\u5206\u6570\u5c06\u88ab\u6253\u5370\u51fa\u6765\uff0c\u4ee5\u663e\u793a\u8fdb\u5ea6\u3002<\/p>\n<p>\u8bad\u7ec3\u548c\u6d4b\u8bd5\u7684RMSE\u5206\u6570\u7cfb\u5217\u5728\u8fd0\u884c\u7ed3\u675f\u540e\u88ab\u7ed8\u5236\u6210\u7ebf\u56fe\u3002\u8bad\u7ec3\u5f97\u5206\u7528\u84dd\u8272\u8868\u793a\uff0c\u6d4b\u8bd5\u5f97\u5206\u7528\u6a59\u8272\u8868\u793a\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u4e00\u4e0b\u7ed3\u679c\u3002<br \/> &nbsp;<\/p>\n<h3>\u8c03\u6574\u65f6\u671f<\/h3>\n<p>\u6211\u4eec\u5c06\u67e5\u770b\u8c03\u6574\u7684\u7b2c\u4e00\u4e2a LSTM \u53c2\u6570\u662f\u8bad\u7ec3\u65f6\u671f\u7684\u6570\u91cf\u3002<\/p>\n<p>\u8be5\u6a21\u578b\u5c06\u4f7f\u7528\u4e00\u4e2a\u6279\u6b21&nbsp;4 \u548c\u5355\u4e2a\u795e\u7ecf\u5143\u3002\u6211\u4eec\u5c06\u63a2\u7d22\u9488\u5bf9\u4e0d\u540c\u8bad\u7ec3\u65f6\u671f\u6570\u8bad\u7ec3\u6b64\u914d\u7f6e\u7684\u6548\u679c\u3002<\/p>\n<h3>500 \u65f6\u671fepoch \u7684\u8bca\u65ad<\/h3>\n<\/p>\n<p>\u4ee3\u7801\u6ce8\u91ca\u5f97\u76f8\u5f53\u597d\uff0c\u5e94\u8be5\u5f88\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code> #\u80fd\u591f\u5728\u670d\u52a1\u5668\u4e0a\u4fdd\u5b58\u56fe\u50cf matplotlib.use('Agg') # \u7528\u4e8e\u52a0\u8f7d\u6570\u636e\u96c6\u7684\u65e5\u671f\u65f6\u95f4\u89e3\u6790\u51fd\u6570 def paser(x): return dateime.strptme('190'+x, '%Y-%m') # \u5c06\u4e00\u4e2a\u5e8f\u5217\u8bbe\u5b9a\u4e3a\u4e00\u4e2a\u76d1\u7763\u5b66\u4e60\u95ee\u9898 colmns.appnd(df) df = concat(colns, axis=1) # \u521b\u5efa\u4e00\u4e2a\u5dee\u5206\u5e8f\u5217 diffene(dtaset, ieral=1): # \u5c06\u8bad\u7ec3\u548c\u6d4b\u8bd5\u6570\u636e\u6269\u5c55\u5230[-1, 1]\u3002 scae(train, test): scler = salr.fit(train) # \u8f6c\u6362\u8bad\u7ec3\u96c6 train = trin.rhape(tain.hpe[0], tran.shpe[1]) # \u53d8\u6362\u6d4b\u8bd5 tst_caed = scler.trnfom(test) # \u9884\u6d4b\u503c\u7684\u9006\u5411\u7f29\u653e inve_scle(saer, X, yhat): # \u5728\u6570\u636e\u96c6\u4e0a\u8bc4\u4f30\u6a21\u578b\uff0c\u4ee5\u8f6c\u6362\u540e\u7684\u5355\u4f4d\u8fd4\u56deRMSE evaluate(mdel, rw_data, scald_dataet, caler) # \u5206\u5f00 X, y = scald_daaset[:,0:-1], saleddaaset[:,-1) # \u91cd\u5851 reshaed = X.reshpe(len(X), 1, 1) # \u9884\u6d4b\u6570\u636e\u96c6 predict(rshped, bth_ize=tchsize) # \u5728\u9884\u6d4b\u4e2d\u53cd\u8f6c\u6570\u636e\u53d8\u6362 for i in rage(len(outut)): yat = output[i,0] # \u53cd\u8f6c\u6bd4\u4f8b yhat = inrtscle(saer, X[i], yhat) # \u53cd\u8f6c\u5dee\u5206 yhat = yhat + raaa[i]\u3002 # \u5b58\u50a8\u9884\u6d4b pdiis.ppd(yhat) # \u62a5\u544a\u6027\u80fd rmse = srt(mensuederror pricions) ) # \u5bf9\u8bad\u7ec3\u6570\u636e\u8fdb\u884cLSTM\u7f51\u7edc\u62df\u5408 fitlstm(tran, tet, raw, caler bath_sie, n_eoch, erns): # \u51c6\u5907\u6a21\u578b model = Sequential() moel.ad(LSTM(neons, bh_phpe, stateful) # \u62df\u5408\u6a21\u578b for i in range(nb_epoch): fit(X, y, epocs=1, bathsze, verose=0, shufle=False) # \u5728\u8bad\u7ec3\u6570\u636e\u4e0a\u8bc4\u4f30\u6a21\u578b mse.apend(evalaion(mdel, rawtain, trai, scler, 0, bcize)) # \u5728\u6d4b\u8bd5\u6570\u636e\u4e0a\u8bc4\u4f30\u6a21\u578b rmse.append(evalh_size)) # \u8fd0\u884c\u8bca\u65ad\u6027\u5b9e\u9a8c run(): # \u8f7d\u5165\u6570\u636e\u96c6 read_csv('sale.csv' # \u5c06\u6570\u636e\u8f6c\u5316\u4e3a\u5e73\u7a33\u7684 diffe(raues, 1) # \u5c06\u6570\u636e\u8f6c\u5316\u4e3a\u6709\u76d1\u7763\u7684\u5b66\u4e60 supd = timespevied(diues, 1) suplues = supd.vales # \u5c06\u6570\u636e\u5206\u6210\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6 train, test = supues[0:-12], suplues[-12:] \u3002 # \u6539\u53d8\u6570\u636e\u7684\u5c3a\u5ea6 scar, traaled, tescaled = scale(tain, tst) # \u62df\u5408\u548c\u8bc4\u4f30\u6a21\u578b traed = trainld[2:, :] # \u914d\u7f6e reas = 10 nbch = 4 nphs = 500 nnens = 1 # \u8fd0\u884c\u8bca\u65ad\u6027\u6d4b\u8bd5 for i in range(ret): fit(train, tes, rawues, scler, nbth, necs, neons) <\/code><\/pre>\n<\/p>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u8003\u8651\u5230\u7b97\u6cd5\u6216\u8bc4\u4f30\u7a0b\u5e8f\u7684\u968f\u673a\u6027\uff0c\u6216\u6570\u503c\u7cbe\u5ea6\u7684\u5dee\u5f02\u3002\u8003\u8651\u591a\u6b21\u8fd0\u884c\u8be5\u793a\u4f8b\u5e76\u6bd4\u8f83\u5e73\u5747\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p>\u8fd0\u884c\u5b9e\u9a8c\u4f1a\u5728 10 \u6b21\u5b9e\u9a8c\u8fd0\u884c\u7ed3\u675f\u65f6\u8f93\u51fa\u8bad\u7ec3\u548c\u6d4b\u8bd5\u96c6\u7684 RMSE\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/b35f4baef85d4f6dbc9a2af7e58d905b.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c3\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u8fd8\u521b\u5efa\u4e86\u6bcf\u4e2a\u8bad\u7ec3\u65f6\u671f\u4e4b\u540e\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\u4e0a\u7684\u4e00\u7cfb\u5217 RMSE \u5206\u6570\u7684\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/5faf9cec6d2d408ba66a26c31b529635.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c4\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3902\">500 \u4e2a\u65f6\u671f\u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<p>\u7ed3\u679c\u6e05\u695a\u5730\u8868\u660e\uff0c\u51e0\u4e4e\u6240\u6709\u5b9e\u9a8c\u8fd0\u884c\u7684 RMSE \u5728\u8bad\u7ec3\u65f6\u671f\u90fd\u6709\u4e0b\u964d\u8d8b\u52bf\u3002<\/p>\n<p>\u5b83\u8868\u660e\u6a21\u578b\u6b63\u5728\u5b66\u4e60\u95ee\u9898\u5e76\u4e14\u5177\u6709\u4e00\u5b9a\u7684\u9884\u6d4b\u80fd\u529b\u3002\u4e8b\u5b9e\u4e0a\uff0c\u6240\u6709\u6700\u7ec8\u6d4b\u8bd5\u5206\u6570\u90fd\u4f4e\u4e8e\u5728\u8fd9\u4e2a\u95ee\u9898\u4e0a\u5b9e\u73b0 136.761 \u7684 RMSE \u7684\u7b80\u5355\u6301\u4e45\u6027\u6a21\u578b\uff08\u6734\u7d20\u9884\u6d4b\uff09\u7684\u8bef\u5dee\u3002<\/p>\n<p>\u7ed3\u679c\u8868\u660e\uff0c\u66f4\u591a\u7684\u8bad\u7ec3\u65f6\u671f\u5c06\u4ea7\u751f\u66f4\u719f\u7ec3\u7684\u6a21\u578b\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5c06 epoch \u6570\u4ece 500 \u52a0\u500d\u5230 1000\u3002<\/p>\n<h3>1000\u4e2a\u65f6\u671f\u7684\u8bca\u65ad<\/h3>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u76f8\u540c\u7684\u5b9e\u9a8c\u8bbe\u7f6e\u5e76\u62df\u5408\u6a21\u578b\u8d85\u8fc7 1000 \u4e2a\u8bad\u7ec3\u65f6\u671f\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff0c&nbsp;\u5728&nbsp;<em>run()<\/em>&nbsp;\u51fd\u6570\u4e2d\u5c06&nbsp;<em>n_epochs<\/em>&nbsp;\u53c2\u6570\u8bbe\u7f6e\u4e3a&nbsp;<em>1000<\/em>\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code>nepohs&nbsp;=&nbsp;1000<\/code><\/pre>\n<\/p>\n<\/p>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a&nbsp;\u8003\u8651\u5230\u7b97\u6cd5\u6216\u8bc4\u4f30\u7a0b\u5e8f\u7684\u968f\u673a\u6027\uff0c\u6216\u6570\u503c\u7cbe\u5ea6\u7684\u5dee\u5f02\u3002\u8003\u8651\u591a\u6b21\u8fd0\u884c\u8be5\u793a\u4f8b\u5e76\u6bd4\u8f83\u5e73\u5747\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p>\u8fd0\u884c\u8be5\u793a\u4f8b\u4f1a\u8f93\u51fa\u6700\u540e\u4e00\u4e2a epoch \u4e2d\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\u7684 RMSE\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/ab81d1eb9cf24129ba13293ce8a1e458.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c5\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c5\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u8fd8\u521b\u5efa\u4e86\u6bcf\u4e2a\u65f6\u671f\u7684\u6d4b\u8bd5\u548c\u8bad\u7ec3 RMSE \u5206\u6570\u7684\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/f0d8c3694bb94f1083c1c4a6af47871a.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c6\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c6\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3903\">1000 \u4e2a\u65f6\u671f\u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u6a21\u578b\u8bef\u5dee\u7684\u4e0b\u964d\u8d8b\u52bf\u786e\u5b9e\u5728\u7ee7\u7eed\uff0c\u800c\u4e14\u4f3c\u4e4e\u5728\u653e\u7f13\u3002<\/p>\n<p>\u8bad\u7ec3\u548c\u6d4b\u8bd5\u7528\u4f8b\u7684\u7ebf\u6761\u53d8\u5f97\u66f4\u52a0\u6c34\u5e73\uff0c\u4f46\u4ecd\u666e\u904d\u5448\u73b0\u4e0b\u964d\u8d8b\u52bf\uff0c\u5c3d\u7ba1\u53d8\u5316\u7387\u8f83\u4f4e\u3002\u4e00\u4e9b\u6d4b\u8bd5\u9519\u8bef\u7684\u4f8b\u5b50\u663e\u793a\u4e86\u5927\u7ea6 600 \u4e2a\u65f6\u671f\u53ef\u80fd\u51fa\u73b0\u7684\u62d0\u70b9\uff0c\u5e76\u4e14\u53ef\u80fd\u663e\u793a\u51fa\u4e0a\u5347\u8d8b\u52bf\u3002<\/p>\n<p>\u6211\u4eec\u5bf9\u6d4b\u8bd5\u96c6\u4e0a\u6301\u7eed\u6539\u8fdb\u7684\u5e73\u5747\u6027\u80fd\u611f\u5174\u8da3\uff0c\u800c\u4e14\u8fd9\u79cd\u60c5\u51b5\u53ef\u80fd\u4f1a\u6301\u7eed\u4e0b\u53bb\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5c06 epoch \u6570\u4ece 1000 \u589e\u52a0\u4e00\u500d\u5230 2000\u3002<\/p>\n<h4>2000 \u65f6\u671fEpoch \u7684\u8bca\u65ad<\/h4>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u76f8\u540c\u7684\u5b9e\u9a8c\u8bbe\u7f6e\u5e76\u62df\u5408\u6a21\u578b\u8d85\u8fc7 2000 \u4e2a\u8bad\u7ec3\u65f6\u671f\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff0c&nbsp;\u5728<em>run()<\/em>&nbsp;\u51fd\u6570\u4e2d\u5c06&nbsp;<em>npoch<\/em>\u53c2\u6570\u8bbe\u7f6e\u4e3a 2000&nbsp; \u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code>nepoch&nbsp;=&nbsp;2000<\/code><\/pre>\n<\/p>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u8003\u8651\u5230\u7b97\u6cd5\u6216\u8bc4\u4f30\u7a0b\u5e8f\u7684\u968f\u673a\u6027\uff0c\u6216\u6570\u503c\u7cbe\u5ea6\u7684\u5dee\u5f02\u3002\u8003\u8651\u591a\u6b21\u8fd0\u884c\u8be5\u793a\u4f8b\u5e76\u6bd4\u8f83\u5e73\u5747\u7ed3\u679c\u3002<\/p>\n<p>\u8fd0\u884c\u8be5\u793a\u4f8b\u4f1a\u8f93\u51fa\u6700\u540e\u4e00\u4e2a epoch \u4e2d\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\u7684 RMSE\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/8f4a845e45e242798d735219dfe73729.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c7\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c7\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u8fd8\u521b\u5efa\u4e86\u6bcf\u4e2a\u65f6\u671f\u7684\u6d4b\u8bd5\u548c\u8bad\u7ec3 RMSE \u5206\u6570\u7684\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/b7023f4fe52140d1870928b2b14f8010.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c8\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c8\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3904\">2000 \u65f6\u671fepoch \u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<p>\u6b63\u5982\u4eba\u4eec\u53ef\u80fd\u5df2\u7ecf\u731c\u5230\u7684\u90a3\u6837\uff0c\u5728\u8bad\u7ec3\u548c\u6d4b\u8bd5\u6570\u636e\u96c6\u4e0a\u7684\u989d\u5916 1000 \u4e2a epoch \u4e2d\uff0c\u8bef\u5dee\u7684\u4e0b\u964d\u8d8b\u52bf\u4ecd\u5728\u7ee7\u7eed\u3002<\/p>\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5927\u7ea6\u4e00\u534a\u7684\u6848\u4f8b\u5728\u8fd0\u884c\u7ed3\u675f\u4e4b\u524d\u4e00\u76f4\u5728\u51cf\u5c11\u8bef\u5dee\uff0c\u800c\u5176\u4f59\u7684\u5219\u663e\u793a\u51fa\u589e\u52a0\u8d8b\u52bf\u7684\u8ff9\u8c61\u3002<\/p>\n<p>\u589e\u957f\u7684\u8d8b\u52bf\u662f\u8fc7\u5ea6\u62df\u5408\u7684\u6807\u5fd7\u3002\u8fd9\u662f\u5f53\u6a21\u578b\u8fc7\u5ea6\u62df\u5408\u8bad\u7ec3\u6570\u636e\u96c6\u65f6\uff0c\u5176\u4ee3\u4ef7\u662f\u6d4b\u8bd5\u6570\u636e\u96c6\u4e0a\u7684\u6027\u80fd\u4e0b\u964d\u3002\u5b83\u7684\u4f8b\u5b50\u662f\u5728\u8bad\u7ec3\u6570\u636e\u96c6\u4e0a\u7684\u6301\u7eed\u6539\u8fdb\uff0c\u4ee5\u53ca\u5728\u6d4b\u8bd5\u6570\u636e\u96c6\u4e0a\u7684\u62d0\u70b9\u548c\u6700\u5dee\u6280\u80fd\u4e4b\u540e\u7684\u6539\u8fdb\u3002\u5728\u6d4b\u8bd5\u6570\u636e\u96c6\u4e0a\uff0c\u53ea\u6709\u4e0d\u5230\u4e00\u534a\u7684\u8fd0\u884c\u663e\u793a\u4e86\u8fd9\u79cd\u7c7b\u578b\u7684\u6a21\u5f0f\u7684\u5f00\u59cb\u3002<\/p>\n<p>\u5c3d\u7ba1\u5982\u6b64\uff0c\u6d4b\u8bd5\u6570\u636e\u96c6\u4e0a\u7684\u6700\u7ec8\u5386\u65f6\u7ed3\u679c\u8fd8\u662f\u975e\u5e38\u597d\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u66f4\u957f\u7684\u8bad\u7ec3\u770b\u5230\u8fdb\u4e00\u6b65\u7684\u6536\u76ca\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5c06\u5386\u65f6\u6570\u7ffb\u500d\uff0c\u4ece2000\u52304000\u3002<br \/> &nbsp;<\/p>\n<h4>4000\u4e2a\u65f6\u671f\u7684\u8bca\u65ad<\/h4>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u76f8\u540c\u7684\u5b9e\u9a8c\u8bbe\u7f6e\u5e76\u62df\u5408\u6a21\u578b\u8d85\u8fc7 4000 \u4e2a\u8bad\u7ec3\u65f6\u671f\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff0c&nbsp;\u5728<em>run()<\/em>&nbsp;\u51fd\u6570\u4e2d\u5c06&nbsp;<em>n_epochs<\/em>\u53c2\u6570\u8bbe\u7f6e\u4e3a 4000&nbsp; \u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code>nepocs&nbsp;=&nbsp;4000<\/code><\/pre>\n<\/p>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u8003\u8651\u5230\u7b97\u6cd5\u6216\u8bc4\u4f30\u7a0b\u5e8f\u7684\u968f\u673a\u6027\uff0c\u6216\u6570\u503c\u7cbe\u5ea6\u7684\u5dee\u5f02\u3002\u8003\u8651\u591a\u6b21\u8fd0\u884c\u8be5\u793a\u4f8b\u5e76\u6bd4\u8f83\u5e73\u5747\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p>\u8fd0\u884c\u8be5\u793a\u4f8b\u4f1a\u8f93\u51fa\u6700\u540e\u4e00\u4e2a epoch \u4e2d\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\u7684 RMSE\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/fe4f98c3556d422583bf2da46448cd0b.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c9\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c9\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u8fd8\u521b\u5efa\u4e86\u6bcf\u4e2a\u65f6\u671f\u7684\u6d4b\u8bd5\u548c\u8bad\u7ec3 RMSE \u5206\u6570\u7684\u7ebf\u56fe\u3002<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/2b7d140bfcdc4416ba81de985197a29d.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c10\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c10\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3905\">4000 epoch \u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<p>\u5373\u4f7f\u8d85\u8fc7 4000 \u4e2a epoch\uff0c\u4e5f\u6709\u63d0\u9ad8\u6027\u80fd\u7684\u603b\u4f53\u8d8b\u52bf\u3002\u5b58\u5728\u4e00\u79cd\u4e25\u91cd\u8fc7\u62df\u5408\u7684\u60c5\u51b5\uff0c\u5373\u6d4b\u8bd5\u8bef\u5dee\u6025\u5267\u4e0a\u5347\u3002<\/p>\n<p>\u540c\u6837\uff0c\u5927\u591a\u6570\u8fd0\u884c\u4ee5\u201c\u826f\u597d\u201d\uff08\u6bd4\u6301\u4e45\u6027\u66f4\u597d\uff09\u7684\u6700\u7ec8\u6d4b\u8bd5\u9519\u8bef\u7ed3\u675f\u3002<\/p>\n<h2>\u7ed3\u679c\u603b\u7ed3<\/h2>\n<p>\u4e0a\u9762\u7684\u8bca\u65ad\u8fd0\u884c\u6709\u52a9\u4e8e\u63a2\u7d22\u6a21\u578b\u7684\u52a8\u6001\u884c\u4e3a\uff0c\u4f46\u7f3a\u4e4f\u5ba2\u89c2\u548c\u53ef\u6bd4\u8f83\u7684\u5e73\u5747\u6027\u80fd\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u91cd\u590d\u76f8\u540c\u7684\u5b9e\u9a8c\u5e76\u8ba1\u7b97\u548c\u6bd4\u8f83\u6bcf\u4e2a\u914d\u7f6e\u7684\u6c47\u603b\u7edf\u8ba1\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b8c\u6210\u4e86 30 \u6b21\u8fd0\u884c\uff0c\u65f6\u95f4\u503c\u4e3a 500\u30011000\u30012000\u30014000 \u548c 6000\u3002<\/p>\n<p>\u8fd9\u4e2a\u60f3\u6cd5\u662f\u4f7f\u7528\u5927\u91cf\u8fd0\u884c\u7684\u6c47\u603b\u7edf\u8ba1\u6765\u6bd4\u8f83\u914d\u7f6e\uff0c\u5e76\u786e\u5207\u5730\u67e5\u770b\u54ea\u4e9b\u914d\u7f6e\u7684\u5e73\u5747\u6027\u80fd\u53ef\u80fd\u66f4\u597d\u3002<\/p>\n<p>\u4e0b\u9762\u5217\u51fa\u4e86\u5b8c\u6574\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code> # \u8fd0\u884c\u4e00\u4e2a\u91cd\u590d\u5b9e\u9a8c epernt(rpeas, sris, ochs): # \u5c06\u6570\u636e\u8f6c\u5316\u4e3a\u5e73\u7a33\u7684 dif_vues = diferne(ravaues, 1) # \u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u6709\u76d1\u7763\u7684\u5b66\u4e60 to_spersed(dif_vles, 1) # \u5c06\u6570\u636e\u5206\u6210\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6 train, test = spervsed[0:-2], suervues[-12:] \u3002 # \u6539\u53d8\u6570\u636e\u7684\u5c3a\u5ea6 scale(train, test) # \u8fd0\u884c\u5b9e\u9a8c for r in range(reeats): # \u62df\u5408\u6a21\u578b size = 4 trtried = traled[2:, :] ltmol = lstm(tamd, bachsie, eohs, 1) # \u9884\u6d4b\u6574\u4e2a\u8bad\u7ec3\u6570\u636e\u96c6\uff0c\u4ee5\u5efa\u7acb\u9884\u6d4b\u7684\u72b6\u6001 trainmd[:, 0].resape(lentran_tmmed), 1, 1) predict(tain_rsaped, ah_size=ath_ize) # \u9884\u6d4b\u6d4b\u8bd5\u6570\u636e\u96c6 te_sapd = tstscaled[:,0:-1) predict(testped, btze=btc_sze) for i in range(len(outut)): yhat = output[i,0] X = te_saled[i, 0:-1] \u3002 # \u53cd\u8f6c\u6bd4\u4f8b yhat = invere(aler, X, yhat) # \u53cd\u8f6c\u5dee\u5206 yht = invsefece(raw_aues, yat, len+1-i) # \u62a5\u544a\u6027\u80fd sqrt(men_sqred_eror(a_vals[-12:], pedins) ) # \u6539\u53d8\u8bad\u7ec3\u5386\u65f6 echs = [500, 1000, 2000, 4000, 6000] \u3002 for e in eochs: exiet(rpats, sries, e) # \u603b\u7ed3\u7ed3\u679c boxlot() <\/code><\/pre>\n<\/p>\n<p>\u8fd0\u884c\u4ee3\u7801\u9996\u5148\u8f93\u51fa 5 \u4e2a\u914d\u7f6e\u4e2d\u6bcf\u4e00\u4e2a\u7684\u6c47\u603b\u7edf\u8ba1\u4fe1\u606f\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u5305\u62ec\u6765\u81ea\u6bcf\u4e2a\u7ed3\u679c\u7fa4\u4f53\u7684 RMSE \u5206\u6570\u7684\u5e73\u5747\u503c\u548c\u6807\u51c6\u5dee\u3002<\/p>\n<p>\u5e73\u5747\u503c\u7ed9\u51fa\u4e86\u914d\u7f6e\u7684\u5e73\u5747\u9884\u671f\u6027\u80fd\u7684\u6982\u5ff5\uff0c\u800c\u6807\u51c6\u5dee\u7ed9\u51fa\u4e86\u65b9\u5dee\u7684\u6982\u5ff5\u3002\u6700\u5c0f\u548c\u6700\u5927 RMSE \u5206\u6570\u8fd8\u7ed9\u51fa\u4e86\u53ef\u80fd\u671f\u671b\u7684\u6700\u4f73\u548c\u6700\u574f\u60c5\u51b5\u793a\u4f8b\u7684\u8303\u56f4\u3002<\/p>\n<p>\u4ec5\u67e5\u770b\u5e73\u5747 RMSE \u5206\u6570\uff0c\u7ed3\u679c\u8868\u660e\u914d\u7f6e\u4e3a 1000 \u7684 epoch \u53ef\u80fd\u66f4\u597d\u3002\u7ed3\u679c\u8fd8\u8868\u660e\uff0c\u53ef\u80fd\u9700\u8981\u5bf9 1000 \u81f3 2000 \u4e4b\u95f4\u7684\u503c\u8fdb\u884c\u8fdb\u4e00\u6b65\u5206\u6790\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/be95b96c28284d9e852a35a7fdc36205.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c11\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c11\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u5206\u5e03\u4e5f\u663e\u793a\u5728\u7bb1\u7ebf\u56fe\u4e0a\u3002\u8fd9\u6709\u52a9\u4e8e\u4e86\u89e3\u5206\u5e03\u5982\u4f55\u76f4\u63a5\u6bd4\u8f83\u3002<\/p>\n<p>\u7ea2\u7ebf\u663e\u793a\u4e2d\u4f4d\u6570\uff0c\u65b9\u6846\u663e\u793a\u7b2c 25 \u4e2a\u548c\u7b2c 75 \u4e2a\u767e\u5206\u4f4d\u6570\uff0c\u6216\u4e2d\u4f4d\u6570 50% \u7684\u6570\u636e\u3002\u8fd9\u79cd\u6bd4\u8f83\u8fd8\u8868\u660e\uff0c\u5c06 epochs \u8bbe\u7f6e\u4e3a 1000 \u7684\u9009\u62e9\u4f18\u4e8e\u6d4b\u8bd5\u7684\u66ff\u4ee3\u65b9\u6848\u3002\u5b83\u8fd8\u8868\u660e\uff0c\u53ef\u4ee5\u5728 2000 \u6216 4000 \u6b21\u8fed\u4ee3\u65f6\u83b7\u5f97\u6700\u4f73\u6027\u80fd\uff0c\u4f46\u4ee3\u4ef7\u662f\u5e73\u5747\u6027\u80fd\u66f4\u5dee\u3002<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/3be9a65bfcb048ccba51852d17f07917.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c12\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c12\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3906\">\u603b\u7ed3 Epoch \u7ed3\u679c\u7684\u7bb1\u7ebf\u56fe<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u770b\u770b\u6279\u6b21\u5927\u5c0f\u7684\u5f71\u54cd\u3002<\/p>\n<h3>\u8c03\u6574\u6279\u6b21\u5927\u5c0f<\/h3>\n<p>\u6279\u6b21\u5927\u5c0f\u63a7\u5236\u66f4\u65b0\u7f51\u7edc\u6743\u91cd\u7684\u9891\u7387\u3002<\/p>\n<p>\u91cd\u8981\u7684\u662f\uff0c\u5728 Keras \u4e2d\uff0c\u6279\u91cf\u5927\u5c0f\u5fc5\u987b\u662f\u6d4b\u8bd5\u548c\u8bad\u7ec3\u6570\u636e\u96c6\u5927\u5c0f\u7684\u4e00\u4e2a\u56e0\u7d20\u3002<\/p>\n<p>\u5728\u4e0a\u4e00\u8282\u63a2\u8ba8\u8bad\u7ec3 epoch \u6570\u7684\u90e8\u5206\u4e2d\uff0c\u6279\u5927\u5c0f\u56fa\u5b9a\u4e3a 4\uff0c\u5b83\u5206\u4e3a\u6d4b\u8bd5\u6570\u636e\u96c6\uff08\u5927\u5c0f\u4e3a 12\uff09\u548c\u6d4b\u8bd5\u6570\u636e\u96c6\uff08\u5927\u5c0f\u4e3a 20\uff09\u3002<\/p>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u6539\u53d8\u6279\u5927\u5c0f\u7684\u5f71\u54cd\u3002\u6211\u4eec\u5c06\u8bad\u7ec3 epoch \u7684\u6570\u91cf\u4fdd\u6301\u5728 1000\u3002<\/p>\n<h4>\u8bca\u65ad 1000 \u4e2a\u65f6\u671f\u548c\u6279\u6b21\u5927\u5c0f\u4e3a 4<\/h4>\n<p> \u4f5c\u4e3a\u63d0\u9192\uff0c\u4e0a\u4e00\u8282\u5728\u7b2c\u4e8c\u6b21\u5b9e\u9a8c\u4e2d\u8bc4\u4f30\u4e86\u6279\u91cf\u5927\u5c0f\u4e3a4\uff0c\u5386\u65f6\u6570\u4e3a1000\u7684\u5b9e\u9a8c\u3002<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/e876bdc8aa544249bcc7a98a48c8bec0.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c13\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c13\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>1000 \u4e2a\u65f6\u671f\u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<h4>\u8bca\u65ad 1000 \u4e2a\u65f6\u671f\u548c\u6279\u6b21\u5927\u5c0f\u4e3a 2<\/h4>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u7740\u773c\u4e8e\u5c06\u6279\u5927\u5c0f\u4ece 4 \u51cf\u534a\u81f3 2\u3002<\/p>\n<p>\u8fd9\u4e2a\u6539\u52a8\u662f&nbsp;\u5bf9<em>run()<\/em>&nbsp;\u51fd\u6570\u4e2d\u7684&nbsp;<em>n_batch<\/em>\u53c2\u6570\u8fdb\u884c\u7684&nbsp;\uff1b\u4f8b\u5982\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code>n_batch&nbsp;=&nbsp;2<\/code><\/pre>\n<\/p>\n<p>\u8fd0\u884c\u8be5\u793a\u4f8b\u663e\u793a\u4e86\u4e0e\u6279\u5927\u5c0f\u4e3a 4 \u76f8\u540c\u7684\u603b\u4f53\u6027\u80fd\u8d8b\u52bf\uff0c\u53ef\u80fd\u5728\u6700\u540e\u4e00\u4e2a\u65f6\u671f\u5177\u6709\u66f4\u9ad8\u7684 RMSE\u3002<\/p>\n<p>\u8fd0\u884c\u53ef\u80fd\u4f1a\u663e\u793a\u51fa\u66f4\u65e9\u7a33\u5b9a RMES \u7684\u884c\u4e3a\uff0c\u800c\u4e0d\u662f\u4f3c\u4e4e\u7ee7\u7eed\u4e0b\u964d\u8d8b\u52bf\u3002<\/p>\n<p>\u4e0b\u9762\u5217\u51fa\u4e86\u6bcf\u6b21\u8fd0\u884c\u6700\u7ec8\u7684 RSME \u5206\u6570\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/617b06aae0814efb9feeb97ae161d63f.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c14\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c14\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>&nbsp;<img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/734c7ed07ec04952bfb2f81520d5f3b1.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c15\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c15\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u8fd8\u521b\u5efa\u4e86\u6bcf\u4e2a\u65f6\u671f\u7684\u6d4b\u8bd5\u548c\u8bad\u7ec3 RMSE \u5206\u6570\u7684\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/d9124ad041d647209e100701279b914e.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c16\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c16\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3907\">1000 \u4e2a\u65f6\u671f\u548c\u6279\u6b21\u5927\u5c0f\u4e3a 2 \u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<p>\u8ba9\u6211\u4eec\u518d\u6b21\u5c1d\u8bd5\u4f7f\u7528\u6279\u91cf\u5927\u5c0f\u3002<\/p>\n<h3>\u8bca\u65ad 1000 \u4e2a\u65f6\u671f\u548c\u6279\u6b21\u5927\u5c0f\u4e3a 1<\/h3>\n<p>\u8fd9\u662f\u5728\u6bcf\u4e2a\u8bad\u7ec3\u6a21\u5f0f\u4e4b\u540e\u66f4\u65b0\u7f51\u7edc\u3002\u53ef\u4ee5\u4e0e\u6279\u91cf\u5b66\u4e60\u5f62\u6210\u5bf9\u6bd4\uff0c\u5176\u4e2d\u6743\u91cd\u4ec5\u5728\u6bcf\u4e2a epoch \u7ed3\u675f\u65f6\u66f4\u65b0\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5&nbsp;\u5728<em>run()<\/em>&nbsp;\u51fd\u6570\u4e2d\u66f4\u6539&nbsp;<em>n_batch<\/em>\u53c2\u6570&nbsp;\uff1b\u4f8b\u5982\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code>n_batch&nbsp;=&nbsp;1<\/code><\/pre>\n<\/p>\n<p>\u540c\u6837\uff0c\u8fd0\u884c\u8be5\u793a\u4f8b\u4f1a\u8f93\u51fa\u6bcf\u6b21\u8fd0\u884c\u7684\u6700\u540e\u4e00\u671f\u7684 RMSE \u5206\u6570\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/b75cedf03c234400b760e82ae1817b3d.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c17\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c17\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u8fd8\u521b\u5efa\u4e86\u4e00\u4e2a\u6bcf\u4e2a\u5386\u65f6\u7684\u6d4b\u8bd5\u548c\u8bad\u7ec3RMSE\u5206\u6570\u7684\u7ebf\u56fe\u3002<\/p>\n<p>\u8be5\u56fe\u8868\u660e\uff0c\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u6d4b\u8bd5RMSE\u6709\u66f4\u591a\u7684\u53d8\u5316\uff0c\u4e5f\u8bb8\u8bad\u7ec3RMSE\u6bd4\u5927\u6279\u91cf\u7684\u6d4b\u8bd5RMSE\u7a33\u5b9a\u5f97\u66f4\u5feb\u3002\u6d4b\u8bd5RMSE\u7684\u53d8\u5f02\u6027\u589e\u52a0\u662f\u610f\u6599\u4e4b\u4e2d\u7684\uff0c\u56e0\u4e3a\u6bcf\u6b21\u66f4\u65b0\u5bf9\u7f51\u7edc\u6240\u505a\u7684\u6539\u53d8\u90fd\u4f1a\u5e26\u6765\u5f88\u5c11\u7684\u53cd\u9988\u3002<\/p>\n<p>\u8be5\u56fe\u8fd8\u8868\u660e\uff0c\u5982\u679c\u914d\u7f6e\u88ab\u8d4b\u4e88\u66f4\u591a\u7684\u8bad\u7ec3\u5386\u65f6\uff0c\u4e5f\u8bb8RMSE\u7684\u4e0b\u964d\u8d8b\u52bf\u4f1a\u7ee7\u7eed\u4e0b\u53bb\u3002<br \/> &nbsp;<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/f7fb2774da194ec39e1a40ee3a6e49aa.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c18\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c18\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3908\">1000 \u4e2a\u65f6\u671f\u548c\u6279\u6b21\u5927\u5c0f\u4e3a 1 \u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<h2>\u7ed3\u679c\u603b\u7ed3<\/h2>\n<p>\u4e0e\u8bad\u7ec3\u65f6\u671f\u4e00\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u5ba2\u89c2\u5730\u6bd4\u8f83\u7f51\u7edc\u5728\u7ed9\u5b9a\u4e0d\u540c\u6279\u6b21\u5927\u5c0f\u7684\u60c5\u51b5\u4e0b\u7684\u6027\u80fd\u3002<\/p>\n<p>\u6bcf\u4e2a\u914d\u7f6e\u8fd0\u884c 30 \u6b21\uff0c\u5e76\u6839\u636e\u6700\u7ec8\u7ed3\u679c\u8ba1\u7b97\u6c47\u603b\u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code> # \u8fd0\u884c\u4e00\u4e2a\u91cd\u590d\u7684\u5b9e\u9a8c # \u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u5e73\u7a33\u7684 raw_vues = sres.values df_vaues = difence(rvalues, 1) # \u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u76d1\u7763\u5b66\u4e60 suesr_lus = surior.values # \u5c06\u6570\u636e\u5206\u6210\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6 # \u53d8\u6362\u6570\u636e\u7684\u5c3a\u5ea6 tra_cled\uff0ctestscld = scale(tain, tet) # \u8fd0\u884c\u5b9e\u9a8c # \u62df\u5408\u6a21\u578b tran_timed = tan_saled[2:, :] lstmmdl = lstm(tainrmd, ach_e, 1000, 1) # \u9884\u6d4b\u6574\u4e2a\u8bad\u7ec3\u6570\u636e\u96c6\u4ee5\u5efa\u7acb\u9884\u6d4b\u72b6\u6001 preit\uff08trairehae\uff0cbach_ie=bat_size\uff09 # \u9884\u6d4b\u6d4b\u8bd5\u6570\u636e\u96c6 preict\uff08tst_rehapeatc_ze=bathsize\uff09 X = tes_cd[i, 0:-1] # \u53cd\u8f6c\u7f29\u653e yht = ivetcale(aler, X, yhat) # \u53cd\u8f6c\u5dee\u5206 yat = invese_dfence(awvalus, yat, le(tetsald)+1-i) # \u62a5\u544a\u8868\u73b0 rmse = sqrt(mean_urerror) # \u52a0\u8f7d\u6570\u636e\u96c6 \uff03 \u5b9e\u9a8c # \u6539\u53d8\u8bad\u7ec3\u6279\u6b21 \u6279\u6b21 = [1, 2, 4] boxplot() <\/code><\/pre>\n<\/p>\n<p>\u4ec5\u4ece\u5e73\u5747\u6027\u80fd\u6765\u770b\uff0c\u7ed3\u679c\u8868\u660e\u6279\u91cf\u5927\u5c0f\u4e3a 1 \u65f6 RMSE \u8f83\u4f4e\u3002 \u6b63\u5982\u4e0a\u4e00\u8282\u6240\u8ff0\uff0c\u8fd9\u53ef\u80fd\u4f1a\u968f\u7740\u66f4\u591a\u7684\u8bad\u7ec3\u65f6\u671f\u800c\u5f97\u5230\u8fdb\u4e00\u6b65\u6539\u5584\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/2383125dc9584a10b20f45bdeabf6190.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c19\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c19\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u8fd8\u521b\u5efa\u4e86\u6570\u636e\u7684\u7bb1\u7ebf\u56fe\uff0c\u4ee5\u5e2e\u52a9\u4ee5\u56fe\u5f62\u65b9\u5f0f\u6bd4\u8f83\u5206\u5e03\u3002\u8be5\u56fe\u5c06\u4e2d\u503c\u6027\u80fd\u663e\u793a\u4e3a\u4e00\u6761\u7ea2\u7ebf\uff0c\u5176\u4e2d\u6279\u6b21\u5927\u5c0f\u4e3a 4 \u663e\u793a\u6700\u5927\u7684\u5dee\u5f02\u548c\u6700\u4f4e\u7684\u4e2d\u503c RMSE\u3002<\/p>\n<p>\u8c03\u6574\u795e\u7ecf\u7f51\u7edc\u662f\u5e73\u5747\u6027\u80fd\u548c\u8be5\u6027\u80fd\u7684\u53ef\u53d8\u6027\u7684\u6743\u8861\uff0c\u7406\u60f3\u7ed3\u679c\u5177\u6709\u4f4e\u5e73\u5747\u8bef\u5dee\u548c\u4f4e\u53ef\u53d8\u6027\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u901a\u5e38\u662f\u597d\u7684\u548c\u53ef\u91cd\u590d\u7684\u3002<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/1a58238c59c54b8aaeef5f16c0e1ba7b.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c20\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c20\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3909\">\u603b\u7ed3\u6279\u6b21\u5927\u5c0f\u7ed3\u679c\u7684\u7bb1\u7ebf\u56fe<\/p>\n<h3>\u8c03\u6574\u795e\u7ecf\u5143\u7684\u6570\u91cf<\/h3>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u7814\u7a76\u6539\u53d8\u7f51\u7edc\u4e2d\u795e\u7ecf\u5143\u6570\u91cf\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u795e\u7ecf\u5143\u7684\u6570\u91cf\u5f71\u54cd\u7f51\u7edc\u7684\u5b66\u4e60\u80fd\u529b\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u66f4\u591a\u7684\u795e\u7ecf\u5143\u80fd\u591f\u4ee5\u66f4\u957f\u7684\u8bad\u7ec3\u65f6\u95f4\u4e3a\u4ee3\u4ef7\u4ece\u95ee\u9898\u4e2d\u5b66\u4e60\u66f4\u591a\u7684\u7ed3\u6784\u3002\u66f4\u591a\u7684\u5b66\u4e60\u80fd\u529b\u4e5f\u4f1a\u4ea7\u751f\u6f5c\u5728\u7684\u8fc7\u5ea6\u62df\u5408\u8bad\u7ec3\u6570\u636e\u7684\u95ee\u9898\u3002<\/p>\n<p>\u6211\u4eec\u5c06\u4f7f\u7528 4 \u548c 1000 \u4e2a\u8bad\u7ec3\u65f6\u671f\u7684\u6279\u91cf\u5927\u5c0f\u3002<\/p>\n<h4>1000 \u4e2a\u65f6\u671f\u548c 1 \u4e2a\u795e\u7ecf\u5143\u7684\u8bca\u65ad<\/h4>\n<p>\u6211\u4eec\u5c06\u4ece 1 \u4e2a\u795e\u7ecf\u5143\u5f00\u59cb\u3002<\/p>\n<p>\u63d0\u9192\u4e00\u4e0b\uff0c\u8fd9\u662f\u4ece epochs \u5b9e\u9a8c\u4e2d\u6d4b\u8bd5\u7684\u7b2c\u4e8c\u4e2a\u914d\u7f6e\u3002<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/afc1847e1838474c8bca066876d1a410.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c21\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c21\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>1000 \u4e2a\u65f6\u671f\u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<h4>1000 \u4e2a\u65f6\u671f\u548c 2 \u4e2a\u795e\u7ecf\u5143\u7684\u8bca\u65ad<\/h4>\n<p>\u6211\u4eec\u53ef\u4ee5\u5c06\u795e\u7ecf\u5143\u7684\u6570\u91cf\u4ece 1 \u589e\u52a0\u5230 2\u3002\u8fd9\u6709\u671b\u63d0\u9ad8\u7f51\u7edc\u7684\u5b66\u4e60\u80fd\u529b\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u66f4\u6539<em>run()<\/em>&nbsp;\u51fd\u6570\u4e2d\u7684<em>n_neurons<\/em>&nbsp;\u53d8\u91cf&nbsp;\u6765\u505a\u5230\u8fd9\u4e00\u70b9&nbsp;\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code>n_neurons&nbsp;=&nbsp;2<\/code><\/pre>\n<\/p>\n<p>\u8fd0\u884c\u6b64\u914d\u7f6e\u4f1a\u8f93\u51fa\u6bcf\u6b21\u8fd0\u884c\u7684\u6700\u540e\u4e00\u4e2a\u65f6\u671f\u7684 RMSE \u5206\u6570\u3002<\/p>\n<p>\u7ed3\u679c\u8868\u660e\uff0c\u603b\u4f53\u8868\u73b0\u4e0d\u9519\uff0c\u4f46\u4e0d\u662f\u5f88\u597d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/e802fb5f999b46569d0f916d6eb0af83.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c22\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c22\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u8fd8\u521b\u5efa\u4e86\u6bcf\u4e2a\u65f6\u671f\u7684\u6d4b\u8bd5\u548c\u8bad\u7ec3 RMSE \u5206\u6570\u7684\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p>\u8fd9\u66f4\u80fd\u8bf4\u660e\u95ee\u9898\u3002\u5b83\u663e\u793a\u4e86\u6d4b\u8bd5RMSE\u7684\u5feb\u901f\u4e0b\u964d\uff0c\u5927\u7ea6\u5728500-750\u4e2a\u65f6\u671f\u4e2d\uff0c\u4e00\u4e2a\u62d0\u70b9\u663e\u793a\u4e86\u6d4b\u8bd5RMSE\u7684\u4e0a\u5347\uff0c\u51e0\u4e4e\u6240\u6709\u7684\u8fd0\u884c\u90fd\u662f\u5982\u6b64\u3002\u540c\u65f6\uff0c\u8bad\u7ec3\u6570\u636e\u96c6\u663e\u793a\u6301\u7eed\u4e0b\u964d\u5230\u6700\u540e\u4e00\u671f\u3002<\/p>\n<p>\u8fd9\u4e9b\u90fd\u662f\u8bad\u7ec3\u6570\u636e\u96c6\u8fc7\u62df\u5408\u7684\u8ff9\u8c61\u3002<\/p>\n<p>&nbsp;<br \/> &nbsp;<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/4e9399522c85442a8e2c8b567b25130d.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c23\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c23\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3910\">1000 \u4e2a\u65f6\u671f\u548c 2 \u4e2a\u795e\u7ecf\u5143\u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<p>\u8ba9\u6211\u4eec\u770b\u770b\u8fd9\u79cd\u8d8b\u52bf\u662f\u5426\u4f1a\u968f\u7740\u66f4\u591a\u7684\u795e\u7ecf\u5143\u800c\u7ee7\u7eed\u3002<\/p>\n<h4>1000 \u4e2a\u65f6\u671f\u548c 3 \u4e2a\u795e\u7ecf\u5143\u7684\u8bca\u65ad<\/h4>\n<p>\u672c\u8282\u7740\u773c\u4e8e\u5c06\u795e\u7ecf\u5143\u6570\u91cf\u589e\u52a0\u5230 3 \u7684\u76f8\u540c\u914d\u7f6e\u3002<\/p>\n<\/p>\n<pre class=\"language-java prettyprint linenums\"><code>n_neurons&nbsp;=&nbsp;3<\/code><\/pre>\n<\/p>\n<p>\u8fd0\u884c\u6b64\u914d\u7f6e\u4f1a\u8f93\u51fa\u6bcf\u6b21\u8fd0\u884c\u7684\u6700\u540e\u4e00\u4e2a\u65f6\u671f\u7684 RMSE \u5206\u6570\u3002<\/p>\n<\/p>\n<p>\u7ed3\u679c\u4e0e\u4e0a\u4e00\u8282\u7c7b\u4f3c\uff1b\u6211\u4eec\u770b\u4e0d\u5230 2 \u6216 3 \u4e2a\u795e\u7ecf\u5143\u7684\u6700\u7ec8 epoch \u6d4b\u8bd5\u5206\u6570\u4e4b\u95f4\u7684\u4e00\u822c\u5dee\u5f02\u30023 \u4e2a\u795e\u7ecf\u5143\u7684\u6700\u7ec8\u8bad\u7ec3\u5206\u6570\u4f3c\u4e4e\u786e\u5b9e\u8f83\u4f4e\uff0c\u8fd9\u53ef\u80fd\u8868\u660e\u8fc7\u5ea6\u62df\u5408\u52a0\u901f\u3002<\/p>\n<p>\u8bad\u7ec3\u6570\u636e\u96c6\u4e2d\u7684\u62d0\u70b9\u4f3c\u4e4e\u6bd4 2 \u4e2a\u795e\u7ecf\u5143\u5b9e\u9a8c\u53d1\u751f\u5f97\u66f4\u65e9\uff0c\u53ef\u80fd\u5728 300-400 \u671f\u3002<\/p>\n<p>\u8fd9\u4e9b\u795e\u7ecf\u5143\u6570\u91cf\u7684\u589e\u52a0\u53ef\u80fd\u53d7\u76ca\u4e8e\u51cf\u7f13\u5b66\u4e60\u901f\u5ea6\u7684\u989d\u5916\u53d8\u5316\u3002\u4f8b\u5982\u4f7f\u7528\u6b63\u5219\u5316\u65b9\u6cd5\uff0c\u5982 dropout\uff0c\u51cf\u5c11\u6279\u91cf\u5927\u5c0f\uff0c\u51cf\u5c11\u8bad\u7ec3\u65f6\u671f\u7684\u6570\u91cf\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/ba86feff6c584d21b2f59399edcafa2e.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c24\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c24\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u8fd8\u521b\u5efa\u4e86\u6bcf\u4e2a\u65f6\u671f\u7684\u6d4b\u8bd5\u548c\u8bad\u7ec3 RMSE \u5206\u6570\u7684\u7ebf\u56fe\u3002<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/12c0978e8b7f49faaf88d021e320ba2f.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c25\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c25\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3911\">1000 \u4e2a\u65f6\u671f\u548c 3 \u4e2a\u795e\u7ecf\u5143\u7684\u8bca\u65ad\u7ed3\u679c<\/p>\n<h2>\u7ed3\u679c\u603b\u7ed3<\/h2>\n<p>\u540c\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u5ba2\u89c2\u5730\u6bd4\u8f83\u589e\u52a0\u795e\u7ecf\u5143\u6570\u91cf\u540c\u65f6\u4fdd\u6301\u6240\u6709\u5176\u4ed6\u7f51\u7edc\u914d\u7f6e\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u6bcf\u4e2a\u5b9e\u9a8c\u91cd\u590d 30 \u6b21\uff0c\u5e76\u5c06\u5e73\u5747\u6d4b\u8bd5 RMSE \u6027\u80fd\u4e0e 1 \u5230 5 \u7684\u795e\u7ecf\u5143\u6570\u91cf\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code> # \u8fd0\u884c\u4e00\u4e2a\u91cd\u590d\u7684\u5b9e\u9a8c # \u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u5e73\u7a33\u7684 ra_lus = sees.values difvles = difece(rwvlus, 1) # \u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u76d1\u7763\u5b66\u4e60 sups_ales = supvor.values # \u5c06\u6570\u636e\u5206\u6210\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6 # \u53d8\u6362\u6570\u636e\u7684\u5c3a\u5ea6 trainsld\uff0ctet_scld = scale(tain, est) # \u8fd0\u884c\u5b9e\u9a8c err_scres = list() # \u62df\u5408\u6a21\u578b trntied = tr_aed[2:, :] lsmel = lstm(tritid, bahze, 1000, eons) # \u9884\u6d4b\u6574\u4e2a\u8bad\u7ec3\u6570\u636e\u96c6\u4ee5\u5efa\u7acb\u9884\u6d4b\u72b6\u6001 trrehap = ti_rimed[:, 0].rehae(len(train_trimmed), 1, 1) prdict\uff08trahpe\uff0cbahe=achze\uff09 # \u9884\u6d4b\u6d4b\u8bd5\u6570\u636e\u96c6 tet_sape = tetsaled[:,0:-1] tetrehae = tesespe.reshape(len(tst_ehape), 1, 1) prect\uff08tes_rhpe\uff0cbath_ize=btchsze\uff09 X = ts_cld[i, 0:-1] # \u53cd\u8f6c\u7f29\u653e yhat = ivertle(scaer, X, yhat) # \u53cd\u8f6c\u5dee\u5206 yht = inversefrce(rw_values, hat, len(tet_saed)+1-i) # \u62a5\u544a\u8868\u73b0 rmse = sqrt(men_sureero(aw_vue[-12:], preiions)) # \u52a0\u8f7d\u6570\u636e\u96c6 \uff03 \u5b9e\u9a8c # \u6539\u53d8\u795e\u7ecf\u5143 \u795e\u7ecf\u5143 = [1, 2, 3, 4, 5] boxplot() <\/code><\/pre>\n<\/p>\n<p>\u8fd0\u884c\u5b9e\u9a8c\u4f1a\u8f93\u51fa\u6bcf\u4e2a\u914d\u7f6e\u7684\u6458\u8981\u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n<\/p>\n<p>\u4ec5\u4ece\u5e73\u5747\u6027\u80fd\u6765\u770b\uff0c\u7ed3\u679c\u8868\u660e\u5177\u6709 1 \u4e2a\u795e\u7ecf\u5143\u7684\u7f51\u7edc\u914d\u7f6e\u5728 1000 \u4e2a epoch \u4e2d\u5177\u6709\u6700\u4f73\u6027\u80fd\uff0c\u6279\u91cf\u5927\u5c0f\u4e3a 4\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/10bd574b15f041f39e9f1fec5827b419.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c26\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c26\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p>\u76d2\u987b\u56fe\u663e\u793a\u4e86\u4e2d\u503c\u6d4b\u8bd5\u96c6\u6027\u80fd\u7684\u660e\u663e\u8d8b\u52bf\uff0c\u5176\u4e2d\u795e\u7ecf\u5143\u7684\u589e\u52a0\u5bfc\u81f4\u6d4b\u8bd5 RMSE \u7684\u76f8\u5e94\u589e\u52a0\u3002<\/p>\n<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/db6146a008df43fd95bddcae83f09342.png\" =\"\" =\"\" alt=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc (https:\/\/mushiming.com\/)  \u7b2c27\u5f20\" title=\"\u795e\u7ecf\u7f51\u7edc\u7684\u8bad\u7ec3\u8fc7\u7a0b\u4e0d\u9700\u8981_\u6df7\u5408\u795e\u7ecf\u7f51\u7edc  \u7b2c27\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/p>\n<p id=\"caption-attachment-3912\">\u603b\u7ed3\u795e\u7ecf\u5143\u7ed3\u679c\u7684\u76d2\u987b\u56fe<\/p>\n<h3>\u6240\u6709\u7ed3\u679c\u7684\u603b\u7ed3<\/h3>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5728\u6d17\u53d1\u6c34\u9500\u552e\u6570\u636e\u96c6\u4e0a\u5b8c\u6210\u4e86\u76f8\u5f53\u591a\u7684 LSTM \u5b9e\u9a8c\u3002<\/p>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u4f3c\u4e4e\u6709\u72b6\u6001\u7684 LSTM \u914d\u7f6e\u4e86 1 \u4e2a\u795e\u7ecf\u5143\uff0c\u6279\u91cf\u5927\u5c0f\u4e3a 4\uff0c\u5e76\u4e14\u8bad\u7ec3\u4e86 1000 \u4e2a epochs \u53ef\u80fd\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u7ed3\u679c\u8fd8\u8868\u660e\uff0c\u4e5f\u8bb8\u8fd9\u79cd\u6279\u91cf\u5927\u5c0f\u4e3a 1 \u5e76\u4e14\u9002\u5408\u66f4\u591a epoch \u7684\u914d\u7f6e\u53ef\u80fd\u503c\u5f97\u8fdb\u4e00\u6b65\u63a2\u7d22\u3002<\/p>\n<p>\u8c03\u6574\u795e\u7ecf\u7f51\u7edc\u662f\u4e00\u9879\u8270\u5de8\u7684\u5b9e\u8bc1\u5de5\u4f5c\uff0c\u4e8b\u5b9e\u8bc1\u660e LSTM \u4e5f\u4e0d\u4f8b\u5916\u3002<\/p>\n<p>\u672c\u6559\u7a0b\u5c55\u793a\u4e86\u914d\u7f6e\u884c\u4e3a\u968f\u65f6\u95f4\u7684\u8bca\u65ad\u7814\u7a76\u4ee5\u53ca\u6d4b\u8bd5 RMSE \u7684\u5ba2\u89c2\u7814\u7a76\u7684\u597d\u5904\u3002<\/p>\n<\/p>\n<h4>\u6269\u5c55<\/h4>\n<p>\u672c\u8282\u5217\u51fa\u4e86\u5bf9\u672c\u6559\u7a0b\u4e2d\u6267\u884c\u7684\u5b9e\u9a8c\u8fdb\u884c\u6269\u5c55\u7684\u4e00\u4e9b\u60f3\u6cd5\u3002<\/p>\n<p>\u5982\u679c\u60a8\u63a2\u7d22\u5176\u4e2d\u4efb\u4f55\u4e00\u4e2a\uff0c\u8bf7\u5728\u8bc4\u8bba\u4e2d\u62a5\u544a\u60a8\u7684\u7ed3\u679c\uff1b\u6211\u5f88\u60f3\u770b\u770b\u4f60\u60f3\u51fa\u4e86\u4ec0\u4e48\u3002<\/p>\n<ul>\n<li><strong>dropout<\/strong>\u3002\u4f7f\u7528\u6b63\u5219\u5316\u65b9\u6cd5\uff08\u4f8b\u5982\u5faa\u73af LSTM \u8fde\u63a5\u4e0a\u7684 dropout\uff09\u51cf\u6162\u5b66\u4e60\u901f\u5ea6\u3002<\/li>\n<li><strong>\u5c42<\/strong>\u3002\u901a\u8fc7\u5728\u6bcf\u5c42\u6dfb\u52a0\u66f4\u591a\u5c42\u548c\u4e0d\u540c\u6570\u91cf\u7684\u795e\u7ecf\u5143\u6765\u63a2\u7d22\u989d\u5916\u7684\u5206\u5c42\u5b66\u4e60\u80fd\u529b\u3002<\/li>\n<li><strong>\u6b63\u5219\u5316<\/strong>\u3002\u63a2\u7d22\u5982\u4f55\u4f7f\u7528\u6743\u91cd\u6b63\u5219\u5316\uff08\u4f8b\u5982 L1 \u548c L2\uff09\u6765\u51cf\u7f13\u7f51\u7edc\u5728\u67d0\u4e9b\u914d\u7f6e\u4e0a\u7684\u5b66\u4e60\u548c\u8fc7\u5ea6\u62df\u5408\u3002<\/li>\n<li><strong>\u4f18\u5316\u7b97\u6cd5<\/strong>\u3002\u4f8b\u5982\u7ecf\u5178\u68af\u5ea6\u4e0b\u964d\uff0c\u4ee5\u67e5\u770b\u52a0\u901f\u6216\u51cf\u6162\u5b66\u4e60\u7684\u7279\u5b9a\u914d\u7f6e\u662f\u5426\u4f1a\u5e26\u6765\u597d\u5904\u3002<\/li>\n<li><strong>\u635f\u5931\u51fd\u6570<\/strong>\u3002<\/li>\n<li><strong>\u7279\u70b9\u548c\u65f6\u95f4\u6b65\u957f<\/strong>\u3002\u63a2\u7d22\u4f7f\u7528\u6ede\u540e\u89c2\u5bdf\u4f5c\u4e3a\u8f93\u5165\u7279\u5f81\u548c\u7279\u5f81\u7684\u8f93\u5165\u65f6\u95f4\u6b65\u957f\uff0c\u770b\u770b\u5b83\u4eec\u4f5c\u4e3a\u8f93\u5165\u7684\u5b58\u5728\u662f\u5426\u53ef\u4ee5\u63d0\u9ad8\u6a21\u578b\u7684\u5b66\u4e60\u548c\/\u6216\u9884\u6d4b\u80fd\u529b\u3002<\/li>\n<li><strong>\u66f4\u5927\u7684\u6279\u91cf<\/strong>\u3002\u63a2\u7d22\u5927\u4e8e 4 \u7684\u6279\u91cf\u5927\u5c0f\uff0c\u53ef\u80fd\u9700\u8981\u8fdb\u4e00\u6b65\u5904\u7406\u8bad\u7ec3\u548c\u6d4b\u8bd5\u6570\u636e\u96c6\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<h2>\u6982\u62ec<\/h2>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u4e86\u89e3\u4e86\u5982\u4f55\u7cfb\u7edf\u5730\u7814\u7a76 LSTM \u7f51\u7edc\u7684\u914d\u7f6e\u4ee5\u8fdb\u884c\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff0c\u4f60\u5b66\u5230\u4e86\uff1a<\/p>\n<ul>\n<li>\u5982\u4f55\u8bbe\u8ba1\u7528\u4e8e\u8bc4\u4f30\u6a21\u578b\u914d\u7f6e\u7684\u7cfb\u7edf\u6d4b\u8bd5\u5de5\u5177\u3002<\/li>\n<li>\u5982\u4f55\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u4f7f\u7528\u6a21\u578b\u8bca\u65ad\u4ee5\u53ca\u5ba2\u89c2\u9884\u6d4b\u8bef\u5dee\u6765\u89e3\u91ca\u6a21\u578b\u884c\u4e3a\u3002<\/li>\n<li>\u5982\u4f55\u63a2\u7d22\u548c\u89e3\u91ca\u8bad\u7ec3\u65f6\u671f\u6570\u3001\u6279\u91cf\u5927\u5c0f\u548c\u795e\u7ecf\u5143\u6570\u91cf\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<p>\u60a8\u5bf9\u8c03\u6574 LSTM \u6216\u672c\u6559\u7a0b\u6709\u4efb\u4f55\u7591\u95ee\u5417\uff1f<br \/> \u5728\u4e0b\u9762\u7684\u8bc4\u8bba\u4e2d\u63d0\u51fa\u60a8\u7684\u95ee\u9898\uff0c\u6211\u4eec\u4f1a\u5c3d\u529b\u56de\u7b54\u3002<\/p>\n<hr>\n<p><img decoding=\"async\" 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