{"id":2984,"date":"2022-02-20T21:09:05","date_gmt":"2022-02-20T13:09:05","guid":{"rendered":"https:\/\/egonlin.com\/?p=2984"},"modified":"2022-02-20T21:39:33","modified_gmt":"2022-02-20T13:39:33","slug":"%e7%ac%ac%e5%9b%9b%e8%8a%82%ef%bc%9a%e5%a4%9a%e5%85%83%e7%ba%bf%e6%80%a7%e5%9b%9e%e5%bd%92%e6%b3%a2%e5%a3%ab%e9%a1%bf%e6%88%bf%e4%bb%b7%e9%a2%84%e6%b5%8b","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=2984","title":{"rendered":"\u7b2c\u56db\u8282\uff1a\u591a\u5143\u7ebf\u6027\u56de\u5f52"},"content":{"rendered":"

\u591a\u5143\u7ebf\u6027\u56de\u5f52(\u6ce2\u58eb\u987f\u623f\u4ef7\u9884\u6d4b)<\/h1>\n

\u5bfc\u5165\u6a21\u5757<\/h1>\n
import pandas as pd\nimport matplotlib.pyplot as plt\nfrom matplotlib.font_manager import FontProperties\nfrom sklearn.model_selection import train_test_split\nfrom sklearn.linear_model import LinearRegression\n%matplotlib inline\nfont = FontProperties(fname='\/Library\/Fonts\/Heiti.ttc')<\/code><\/pre>\n
\u83b7\u53d6\u6570\u636e<\/h1>\n
df = pd.read_csv('housing-data.txt', sep='\\s+', header=0)\nX = df.iloc[:, :-1].values\ny = df['MEDV'].values\n# \u5c06\u6570\u636e\u5206\u6210\u8bad\u7ec3\u96c6\uff080.7\uff09\u548c\u6d4b\u8bd5\u96c6\uff080.3\uff09\nX_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.3)<\/code><\/pre>\n
\u8bad\u7ec3\u6a21\u578b<\/h1>\n
lr = LinearRegression()\n# \u8bad\u7ec3\u6a21\u578b\nlr.fit(X_train, y_train)\n# \u9884\u6d4b\u8bad\u7ec3\u96c6\u6570\u636e\ny_train_predict = lr.predict(X_train)\n# \u9884\u6d4b\u6d4b\u8bd5\u96c6\u6570\u636e\ny_test_predict = lr.predict(X_test)<\/code><\/pre>\n
\u53ef\u89c6\u5316<\/h1>\n
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\u67e5\u770b\u66f4\u591a<\/h2>
\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div>
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\u591a\u5143\u7ebf\u6027\u56de\u5f52(\u6ce2\u58eb\u987f\u623f\u4ef7\u9884\u6d4b) \u5bfc\u5165\u6a21\u5757 import pandas as pd import matplot […]<\/p>\n","protected":false},"author":3,"featured_media":2985,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[276,286],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/2984"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2984"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/2984\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/2985"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}