{"id":1690,"date":"2023-05-03T08:40:51","date_gmt":"2023-05-03T00:40:51","guid":{"rendered":"http:\/\/viplao.com\/?p=1690"},"modified":"2023-07-11T06:36:45","modified_gmt":"2023-07-10T22:36:45","slug":"%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-python-%e6%97%a5%e5%b8%b8%e6%95%b0%e6%8d%ae%e5%88%86%e6%9e%90-excel%e4%bd%bf%e7%94%a8%e5%9b%9e%e5%bd%92%e5%88%86%e6%9e%90%e9%a2%84","status":"publish","type":"post","link":"http:\/\/viplao.com\/index.php\/2023\/05\/03\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-python-%e6%97%a5%e5%b8%b8%e6%95%b0%e6%8d%ae%e5%88%86%e6%9e%90-excel%e4%bd%bf%e7%94%a8%e5%9b%9e%e5%bd%92%e5%88%86%e6%9e%90%e9%a2%84\/","title":{"rendered":"\u6570\u5b57\u5316\u8fd0\u7ef4 \u2013 PYTHON \u65e5\u5e38\u6570\u636e\u5206\u6790 \u2013\u00a0EXCEL\u4f7f\u7528\u56de\u5f52\u5206\u6790\u9884\u6d4b\u672a\u6765\u503c\u6848\u4f8b"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 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ez-toc-heading-2\" href=\"http:\/\/viplao.com\/index.php\/2023\/05\/03\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-python-%e6%97%a5%e5%b8%b8%e6%95%b0%e6%8d%ae%e5%88%86%e6%9e%90-excel%e4%bd%bf%e7%94%a8%e5%9b%9e%e5%bd%92%e5%88%86%e6%9e%90%e9%a2%84\/#%E4%B8%BE%E4%B8%80%E5%8F%8D%E4%B8%89_%E4%BD%BF%E7%94%A8%E5%9B%9E%E5%BD%92%E6%96%B9%E7%A8%8B%E8%AE%A1%E7%AE%97%E9%A2%84%E6%B5%8B%E5%80%BC\" title=\"\u4e3e\u4e00\u53cd\u4e09 \u4f7f\u7528\u56de\u5f52\u65b9\u7a0b\u8ba1\u7b97\u9884\u6d4b\u503c\">\u4e3e\u4e00\u53cd\u4e09 \u4f7f\u7528\u56de\u5f52\u65b9\u7a0b\u8ba1\u7b97\u9884\u6d4b\u503c<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\" id=\"%E6%A1%88%E4%BE%8B10-%E4%BD%BF%E7%94%A8%E5%9B%9E%E5%BD%92%E5%88%86%E6%9E%90%E9%A2%84%E6%B5%8B%E6%9C%AA%E6%9D%A5%E5%80%BC\"><span class=\"ez-toc-section\" id=\"%E4%BD%BF%E7%94%A8%E5%9B%9E%E5%BD%92%E5%88%86%E6%9E%90%E9%A2%84%E6%B5%8B%E6%9C%AA%E6%9D%A5%E5%80%BC\"><\/span><strong>\u4f7f\u7528\u56de\u5f52\u5206\u6790\u9884\u6d4b\u672a\u6765\u503c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p><strong>\u56de\u5f52\u5206\u6790<\/strong>\uff08\u82f1\u8bed\uff1aRegression Analysis\uff09\u662f\u4e00\u79cd\u7edf\u8ba1\u5b66\u4e0a\u5206\u6790\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u76ee\u7684\u5728\u4e8e\u4e86\u89e3\u4e24\u4e2a\u6216\u591a\u4e2a\u53d8\u91cf\u95f4\u662f\u5426\u76f8\u5173\u3001\u76f8\u5173\u65b9\u5411\u4e0e\u5f3a\u5ea6\uff0c\u5e76\u5efa\u7acb\u6570\u5b66\u6a21\u578b\u4ee5\u4fbf\u89c2\u5bdf\u7279\u5b9a\u53d8\u91cf\u6765\u9884\u6d4b\u7814\u7a76\u8005\u611f\u5174\u8da3\u7684\u53d8\u91cf\u3002\u66f4\u5177\u4f53\u7684\u6765\u8bf4\uff0c\u56de\u5f52\u5206\u6790\u53ef\u4ee5\u5e2e\u52a9\u4eba\u4eec\u4e86\u89e3\u5728\u53ea\u6709\u4e00\u4e2a\u81ea\u53d8\u91cf\u53d8\u5316\u65f6\u56e0\u53d8\u91cf\u7684\u53d8\u5316\u91cf\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u901a\u8fc7\u56de\u5f52\u5206\u6790\u6211\u4eec\u53ef\u4ee5\u7531\u7ed9\u51fa\u7684\u81ea\u53d8\u91cf\u4f30\u8ba1\u56e0\u53d8\u91cf\u7684\u6761\u4ef6\u671f\u671b<\/p>\n\n\n\n<ul>\n<li>\u4ee3\u7801\u6587\u4ef6\uff1a\u4f7f\u7528\u56de\u5f52\u5206\u6790\u9884\u6d4b\u672a\u6765\u503c.py &#8211; \u6570\u636e\u6587\u4ef6\uff1a\u56de\u5f52\u5206\u6790.xlsx<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\nfrom sklearn import linear_model\ndf=pd.read_excel(r'd:\\\\22\\\u56de\u5f52\u5206\u6790.xlsx')\ndf=df&#91;1:]  #\u5220\u9664\u7b2c\u4e00\u884c\ndf.columns=&#91;'\u6708\u4efd','\u7535\u89c6\u53f0\u5e7f\u544a\u8d39','\u89c6\u9891\u95e8\u6237\u5e7f\u544a\u8d39','\u6c7d\u8f66\u5f53\u6708\u9500\u552e\u989d'] #\u91cd\u547d\u540d\n\n#\u83b7\u53d6'\u7535\u89c6\u53f0\u5e7f\u544a\u8d39','\u89c6\u9891\u95e8\u6237\u5e7f\u544a\u8d39'\u6700\u4e3a\u81ea\u53d8\u91cf\nx=df&#91;&#91;'\u7535\u89c6\u53f0\u5e7f\u544a\u8d39','\u89c6\u9891\u95e8\u6237\u5e7f\u544a\u8d39']]\ny=df&#91;'\u6c7d\u8f66\u5f53\u6708\u9500\u552e\u989d']\n\nmodel=linear_model.LinearRegression()\nmodel.fit(x,y)\nR2=model.score(x,y)\nR2\n\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%E4%B8%BE%E4%B8%80%E5%8F%8D%E4%B8%89-%E4%BD%BF%E7%94%A8%E5%9B%9E%E5%BD%92%E6%96%B9%E7%A8%8B%E8%AE%A1%E7%AE%97%E9%A2%84%E6%B5%8B%E5%80%BC\"><span class=\"ez-toc-section\" id=\"%E4%B8%BE%E4%B8%80%E5%8F%8D%E4%B8%89_%E4%BD%BF%E7%94%A8%E5%9B%9E%E5%BD%92%E6%96%B9%E7%A8%8B%E8%AE%A1%E7%AE%97%E9%A2%84%E6%B5%8B%E5%80%BC\"><\/span><strong>\u4e3e\u4e00\u53cd\u4e09 \u4f7f\u7528\u56de\u5f52\u65b9\u7a0b\u8ba1\u7b97\u9884\u6d4b\u503c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul>\n<li>\u4ee3\u7801\u6587\u4ef6\uff1a\u4f7f\u7528\u56de\u5f52\u65b9\u7a0b\u8ba1\u7b97\u9884\u6d4b\u503c.py &#8211; \u6570\u636e\u6587\u4ef6\uff1a\u56de\u5f52\u5206\u6790.xlsx<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\nfrom sklearn import linear_model\ndf=pd.read_excel(r'D:\\\\22\\\u56de\u5f52\u5206\u6790.xlsx')\ndf=df&#91;1:]  #\u5220\u9664\u7b2c\u4e00\u884c\ndf.columns=&#91;'\u6708\u4efd','\u7535\u89c6\u53f0\u5e7f\u544a\u8d39','\u89c6\u9891\u95e8\u6237\u5e7f\u544a\u8d39','\u6c7d\u8f66\u5f53\u6708\u9500\u552e\u989d'] #\u91cd\u547d\u540d\n\n#\u83b7\u53d6'\u7535\u89c6\u53f0\u5e7f\u544a\u8d39','\u89c6\u9891\u95e8\u6237\u5e7f\u544a\u8d39'\u6700\u4e3a\u81ea\u53d8\u91cf\nx=df&#91;&#91;'\u7535\u89c6\u53f0\u5e7f\u544a\u8d39','\u89c6\u9891\u95e8\u6237\u5e7f\u544a\u8d39']]\ny=df&#91;'\u6c7d\u8f66\u5f53\u6708\u9500\u552e\u989d']\n\nmodel=linear_model.LinearRegression()\nmodel.fit(x,y)\n\ncoef=model.coef_  #\u83b7\u53d6\u81ea\u53d8\u91cf\u7cfb\u6570\nmodel_intercept=model.intercept_  #\u83b7\u53d6\u622a\u8ddd\nresult='y={}+({})x1+({})x2'.format(coef&#91;0],coef&#91;1],model_intercept)\nprint('\u7ebf\u6027\u56de\u5f52\u7684\u65b9\u7a0b\u4e3a\uff1a','\\n',result)\n\na=20 #\u8bbe\u7f6e\u7535\u89c6\u5e7f\u544a\u8d39\u7528\nb=30 #\u8bbe\u7f6e\u89c6\u9891\u5e7f\u544a\u8d39\n\ny=model_intercept+a*coef&#91;0]+b*coef&#91;1]\nprint('\u7535\u89c6\u5e7f\u544a\u6295\u653e20\u4e07\uff0c\u89c6\u9891\u95e8\u6237\u6295\u653e30\u4e07\uff0c\u9884\u6d4b\u6c7d\u8f66\u7684\u9500\u552e\u989d\u4e3a\uff1a','\\n',y)\n<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p>\u9884\u6d4b\u7ed3\u679c\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u7ebf\u6027\u56de\u5f52\u7684\u65b9\u7a0b\u4e3a\uff1a \n y=9.133786669280706+(51.06148377665357)x1+(-316.28885036504175)x2\n\u7535\u89c6\u5e7f\u544a\u6295\u653e20\u4e07\uff0c\u89c6\u9891\u95e8\u6237\u6295\u653e30\u4e07\uff0c\u9884\u6d4b\u6c7d\u8f66\u7684\u9500\u552e\u989d\u4e3a\uff1a \n 1398.2313963201796\n\n<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>EXCEL\u4f7f\u7528\u56de\u5f52\u5206\u6790\u9884\u6d4b\u672a\u6765\u503c\u6848\u4f8b<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[14,26,28],"views":569,"_links":{"self":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts\/1690"}],"collection":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/comments?post=1690"}],"version-history":[{"count":2,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts\/1690\/revisions"}],"predecessor-version":[{"id":2192,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts\/1690\/revisions\/2192"}],"wp:attachment":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/media?parent=1690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/categories?post=1690"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/tags?post=1690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}