{"id":204267,"date":"2025-05-29T13:13:04","date_gmt":"2025-05-29T05:13:04","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204267\/"},"modified":"2025-05-29T13:13:04","modified_gmt":"2025-05-29T05:13:04","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8-pandas-%e5%b0%86%e4%b8%8d%e5%90%8c%e5%ba%97%e9%93%ba%e7%9a%84%e9%94%80%e5%94%ae%e4%b8%9a%e7%bb%a9%e6%8c%89%e4%b8%9a%e5%8a%a1%e5%91%98%e5%90%88%e5%b9%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204267\/","title":{"rendered":"\u5982\u4f55\u5229\u7528 Pandas \u5c06\u4e0d\u540c\u5e97\u94fa\u7684\u9500\u552e\u4e1a\u7ee9\u6309\u4e1a\u52a1\u5458\u5408\u5e76\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u5229\u7528 Pandas \u5c06\u4e0d\u540c\u5e97\u94fa\u7684\u9500\u552e\u4e1a\u7ee9\u6309\u4e1a\u52a1\u5458\u5408\u5e76\uff1f<\/h1>\n<p>\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5982\u4f55\u5229\u7528 Pandas \u5c06\u4e0d\u540c\u5e97\u94fa\u7684\u9500\u552e\u4e1a\u7ee9\u6309\u4e1a\u52a1\u5458\u5408\u5e76\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241102\/17305524156726225fc8792.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u95ee\u9898\uff1a\u5982\u4f55\u4f7f\u7528 pandas \u6309\u540c\u4e1a\u52a1\u5458\u4e0d\u540c\u5e97\u94fa\u5408\u5e76\u9500\u552e\u4e1a\u7ee9\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54\uff1a<\/strong><\/p>\n<p>\u867d\u7136\u4e0d\u4f7f\u7528 python\uff0c\u4f46\u5927\u591a\u6570\u7f16\u7a0b\u8bed\u8a00\u7684 api \u90fd\u7c7b\u4f3c\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 pandas \u7684 groupby api \u6765\u5b9e\u73b0\u6b64\u529f\u80fd\uff1a<\/p>\n<pre>import pandas as pd\n\n# \u793a\u4f8b\u6570\u636e\ndata = pd.dataframe({\n    \"\u4e1a\u52a1\u5458\": [\"\u5f20\u4e09\", \"\u674e\u56db\", \"\u5f20\u4e09\", \"\u738b\u4e94\", \"\u674e\u56db\", \"\u5f20\u4e09\"],\n    \"\u5e97\u94fa\": [\"a\", \"b\", \"c\", \"a\", \"d\", \"b\"],\n    \"\u4e1a\u7ee9\": [10, 20, 30, 5, 25, 15]\n})\n\n# \u6309\u4e1a\u52a1\u5458\u5206\u7ec4\u5e76\u6c42\u548c\nresult = data.groupby(\"\u4e1a\u52a1\u5458\")[\"\u4e1a\u7ee9\"].sum()\n\n# \u8f93\u51fa\u5408\u5e76\u540e\u7684\u4e1a\u7ee9\nprint(result)<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>\u4e1a\u52a1\u5458\n\u674e\u56db    50\n\u738b\u4e94     5\n\u5f20\u4e09    65<\/pre>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5229\u7528 Pandas \u5c06\u4e0d\u540c\u5e97&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204267","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204267"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204267\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}