{"id":619,"date":"2025-12-12T07:44:21","date_gmt":"2025-12-11T23:44:21","guid":{"rendered":"https:\/\/www.idcyz.com\/blog\/?p=619"},"modified":"2025-12-12T07:44:21","modified_gmt":"2025-12-11T23:44:21","slug":"%e9%b2%81%e6%98%af%e5%93%aa%e6%8a%80%e6%9c%af%e8%83%bd%e5%a4%9f%e5%ae%9e%e7%8e%b0%e5%93%aa%e4%ba%9b%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e7%9b%ae%e6%a0%87","status":"publish","type":"post","link":"https:\/\/www.idcyz.com\/blog\/619.html","title":{"rendered":"\u9c81\u662f\u54ea\u6280\u672f\u80fd\u591f\u5b9e\u73b0\u54ea\u4e9b\u6570\u636e\u5904\u7406\u76ee\u6807"},"content":{"rendered":"

\u9c81\u662f\u54ea\u6280\u672f\u4ecb\u7ecd<\/h2>\n<\/p>\n

\"\u9c81\u662f\u54ea\u6280\u672f\u80fd\u591f\u5b9e\u73b0\u54ea\u4e9b\u6570\u636e\u5904\u7406\u76ee\u6807\"<\/p>\n

\u9c81\u662f\u54ea\u662f\u4e00\u79cd\u65b0\u5174\u7684\u6280\u672f\uff0c\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u5904\u7406\u548c\u6587\u672c\u5206\u6790\u3002\u8fd9\u9879\u6280\u672f\u901a\u8fc7\u81ea\u7136\u8bed\u8a00\u5904\u7406\uff08NLP\uff09\u548c\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u5e2e\u52a9\u4f01\u4e1a\u548c\u4e2a\u4eba\u4ece\u5927\u91cf\u6587\u672c\u6570\u636e\u4e2d\u63d0\u53d6\u6709\u4ef7\u503c\u7684\u4fe1\u606f\u3002\u9c81\u662f\u54ea\u7684\u6838\u5fc3\u5728\u4e8e\u5176\u5f3a\u5927\u7684\u89e3\u6790\u80fd\u529b\u548c\u7075\u6d3b\u6027\uff0c\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u5feb\u901f\u5e94\u5bf9\u590d\u6742\u7684\u6570\u636e\u5206\u6790\u4efb\u52a1\u3002<\/p>\n<\/p>\n

\u672c\u6587\u4efb\u52a1<\/h2>\n<\/p>\n

\u672c\u7bc7\u6587\u7ae0\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u9c81\u662f\u54ea\u7684\u5b9e\u9645\u64cd\u4f5c\u6b65\u9aa4\uff0c\u5305\u62ec\u5982\u4f55\u914d\u7f6e\u73af\u5883\u3001\u4f7f\u7528\u57fa\u7840\u547d\u4ee4\u53ca\u4e00\u4e9b\u5b9e\u7528\u6280\u5de7\u3002\u901a\u8fc7\u4ee5\u4e0b\u5185\u5bb9\uff0c\u8bfb\u8005\u5c06\u80fd\u591f\u638c\u63e1\u9c81\u662f\u54ea\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\uff0c\u5e76\u80fd\u6709\u6548\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u3002<\/p>\n<\/p>\n

\u73af\u5883\u914d\u7f6e<\/h3>\n<\/p>\n

\u5728\u5f00\u59cb\u4f7f\u7528\u9c81\u662f\u54ea\u4e4b\u524d\uff0c\u9700\u8981\u8fdb\u884c\u73af\u5883\u914d\u7f6e\u3002\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u6307\u5bfc\u60a8\u5b8c\u6210\u8fd9\u4e00\u8fc7\u7a0b\uff1a<\/p>\n<\/p>\n

    \n
  1. \u5b89\u88c5Python<\/strong><\/p>\n
      \n
    • \u8bbf\u95eePython\u5b98\u65b9\u7f51\u7ad9\uff08https:\/\/www.python.org\/downloads\/\uff09\u4e0b\u8f7d\u9002\u5408\u60a8\u64cd\u4f5c\u7cfb\u7edf\u7684\u7248\u672c\u3002<\/li>\n
    • \u8fd0\u884c\u5b89\u88c5\u7a0b\u5e8f\uff0c\u786e\u4fdd\u5728\u5b89\u88c5\u9009\u9879\u4e2d\u9009\u4e2d\u201cAdd Python to PATH\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \u5b89\u88c5\u5fc5\u8981\u7684\u5e93<\/strong><\/p>\n
        \n
      • \u6253\u5f00\u547d\u4ee4\u884c\u754c\u9762\uff08CMD\u6216Terminal\uff09\u3002<\/li>\n
      • \u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u6240\u9700\u5e93\uff1a<\/li>\n

        pip install numpy pandas nltk<\/code><\/pre>\n<\/p>\n<\/ul>\n<\/li>\n<\/ol>\n
        \u9c81\u662f\u54ea\u57fa\u7840\u547d\u4ee4<\/h3>\n<\/p>\n
        \u4e0b\u9762\u6211\u4eec\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u57fa\u672c\u547d\u4ee4\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u5f00\u59cb\u4f7f\u7528\u9c81\u662f\u54ea\u8fdb\u884c\u6570\u636e\u5206\u6790\u3002<\/p>\n<\/p>\n
        1. \u6570\u636e\u8bfb\u53d6<\/h4>\n<\/p>\n
        \u8981\u8bfb\u53d6\u6570\u636e\uff0c\u6211\u4eec\u901a\u5e38\u4f7f\u7528Pandas\u5e93\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u8bfb\u53d6CSV\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
        import pandas as pd<\/p>\r\n\r\n
        # \u8bfb\u53d6CSV\u6587\u4ef6<\/p>\r\n
        data = pd.read_csv('datafile.csv')<\/p>\r\n
        print(data.head())  # \u6253\u5370\u524d5\u884c\u6570\u636e<\/code><\/pre>\n<\/p>\n
        2. \u6570\u636e\u6e05\u6d17<\/h4>\n<\/p>\n
        \u5728\u5206\u6790\u6570\u636e\u4e4b\u524d\uff0c\u901a\u5e38\u9700\u8981\u6e05\u6d17\u6570\u636e\uff0c\u53bb\u9664\u5197\u4f59\u6216\u9519\u8bef\u7684\u4fe1\u606f\u3002<\/p>\n<\/p>\n
        # \u53bb\u9664\u7f3a\u5931\u503c<\/p>\r\n
        data_cleaned = data.dropna()<\/p>\r\n\r\n
        # \u91cd\u547d\u540d\u5217<\/p>\r\n
        data_cleaned.rename(columns={'OldName': 'NewName'}, inplace=True)<\/code><\/pre>\n<\/p>\n
        3. \u6570\u636e\u5206\u6790<\/h4>\n<\/p>\n
        \u4f7f\u7528\u9c81\u662f\u54ea\u53ef\u4ee5\u8fdb\u884c\u5404\u79cd\u6570\u636e\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u63cf\u8ff0\u6027\u7edf\u8ba1\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
        # \u83b7\u53d6\u63cf\u8ff0\u6027\u7edf\u8ba1\u4fe1\u606f<\/p>\r\n
        description = data_cleaned.describe()<\/p>\r\n
        print(description)<\/code><\/pre>\n<\/p>\n
        \u5b9e\u7528\u6280\u5de7<\/h3>\n<\/p>\n
        1. \u4f7f\u7528\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784<\/h4>\n<\/p>\n
        \u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\uff08\u5982DataFrame\u6216Series\uff09\u53ef\u4ee5\u63d0\u9ad8\u5904\u7406\u6548\u7387\u3002<\/p>\n<\/p>\n
        2. \u51fd\u6570\u7684\u590d\u7528<\/h4>\n<\/p>\n
        \u5c06\u5e38\u7528\u7684\u4ee3\u7801\u5757\u5c01\u88c5\u6210\u51fd\u6570\uff0c\u4fbf\u4e8e\u540e\u7eed\u7684\u8c03\u7528\u548c\u7ef4\u62a4\u3002\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
        def read_data(file_path):<\/p>\r\n
            return pd.read_csv(file_path)<\/p>\r\n\r\n
        data = read_data('datafile.csv')<\/code><\/pre>\n<\/p>\n
        3. \u5b9a\u671f\u6ce8\u91ca<\/h4>\n<\/p>\n
        \u5728\u4ee3\u7801\u4e2d\u6dfb\u52a0\u6ce8\u91ca\uff0c\u6709\u52a9\u4e8e\u540e\u671f\u7684\u7ef4\u62a4\u548c\u4ed6\u4eba\u7684\u7406\u89e3\u3002<\/p>\n<\/p>\n
        \u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
          \n
        • \u6570\u636e\u5907\u4efd\uff1a<\/strong>\u5728\u8fdb\u884c\u6570\u636e\u6e05\u6d17\u548c\u8f6c\u6362\u524d\uff0c\u52a1\u5fc5\u5907\u4efd\u539f\u59cb\u6570\u636e\uff0c\u907f\u514d\u4fe1\u606f\u4e22\u5931\u3002<\/li>\n
        • \u6027\u80fd\u76d1\u63a7\uff1a<\/strong>\u5f53\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\uff0c\u6ce8\u610f\u76d1\u63a7\u7cfb\u7edf\u6027\u80fd\uff0c\u907f\u514d\u5185\u5b58\u6ea2\u51fa\u3002<\/li>\n
        • \u5e93\u7684\u7248\u672c\u4e00\u81f4\u6027\uff1a<\/strong>\u786e\u4fdd\u6240\u4f7f\u7528\u7684\u5e93\u7248\u672c\u4e00\u81f4\uff0c\u4ee5\u907f\u514d\u4e0e\u539f\u6587\u6863\u4e0d\u517c\u5bb9\u7684\u95ee\u9898\u3002<\/li>\n<\/ul>\n
          \u603b\u7ed3<\/h2>\n<\/p>\n
          \u9c81\u662f\u54ea\u6280\u672f\u4e3a\u6570\u636e\u5206\u6790\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u638c\u63e1\u5176\u57fa\u672c\u64cd\u4f5c\u547d\u4ee4\u548c\u6280\u5de7\uff0c\u7528\u6237\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u6570\u636e\u5904\u7406\u80fd\u529b\u3002\u672a\u6765\u7684\u5206\u6790\u5de5\u4f5c\u4e2d\uff0c\u671f\u5f85\u60a8\u5229\u7528\u9c81\u662f\u54ea\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u51b3\u7b56\u652f\u6301\uff01<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
          \u9c81\u662f\u54ea\u6280\u672f\u4ecb\u7ecd \u9c81\u662f\u54ea\u662f\u4e00\u79cd\u65b0\u5174\u7684\u6280\u672f\uff0c\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u5904\u7406\u548c\u6587\u672c\u5206\u6790\u3002\u8fd9\u9879\u6280\u672f\u901a\u8fc7\u81ea\u7136\u8bed\u8a00\u5904\u7406\uff08NLP\uff09\u548c\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u5e2e\u52a9\u4f01\u4e1a\u548c\u4e2a\u4eba\u4ece\u5927\u91cf\u6587\u672c\u6570\u636e\u4e2d\u63d0\u53d6\u6709\u4ef7\u503c\u7684\u4fe1\u606f\u3002\u9c81\u662f\u54ea\u7684\u6838\u5fc3\u5728\u4e8e\u5176\u5f3a\u5927\u7684\u89e3\u6790\u80fd\u529b\u548c\u7075\u6d3b\u6027\uff0c\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u5feb\u901f\u5e94\u5bf9\u590d\u6742\u7684\u6570\u636e\u5206…<\/p>\n","protected":false},"author":1,"featured_media":620,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[12,322,321],"topic":[],"class_list":["post-619","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiushu","tag-python","tag-322","tag-321"],"_links":{"self":[{"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/posts\/619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/comments?post=619"}],"version-history":[{"count":1,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/posts\/619\/revisions"}],"predecessor-version":[{"id":622,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/posts\/619\/revisions\/622"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/media\/620"}],"wp:attachment":[{"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/media?parent=619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/categories?post=619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/tags?post=619"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.idcyz.com\/blog\/wp-json\/wp\/v2\/topic?post=619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}