{"id":205404,"date":"2025-05-29T17:18:40","date_gmt":"2025-05-29T09:18:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205404\/"},"modified":"2025-05-29T17:18:40","modified_gmt":"2025-05-29T09:18:40","slug":"%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad-pandas-%e6%95%b0%e6%8d%ae%e5%b8%a7%e4%b8%ad%e6%97%a5%e6%9c%9f%e9%97%b4%e9%9a%94%e6%98%af%e5%90%a6%e8%b6%85%e8%bf%87%e4%b8%a4%e4%b8%aa%e6%9c%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205404\/","title":{"rendered":"\u5982\u4f55\u5224\u65ad Pandas \u6570\u636e\u5e27\u4e2d\u65e5\u671f\u95f4\u9694\u662f\u5426\u8d85\u8fc7\u4e24\u4e2a\u6708\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u5224\u65ad Pandas \u6570\u636e\u5e27\u4e2d\u65e5\u671f\u95f4\u9694\u662f\u5426\u8d85\u8fc7\u4e24\u4e2a\u6708\uff1f<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u5224\u65ad Pandas \u6570\u636e\u5e27\u4e2d\u65e5\u671f\u95f4\u9694\u662f\u5426\u8d85\u8fc7\u4e24\u4e2a\u6708\uff1f\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241201\/1733016646674bbc46b6592.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5224\u65ad pandas \u6570\u636e\u5e27\u4e2d\u65e5\u671f\u95f4\u9694\u662f\u5426\u8d85\u8fc7\u4e24\u4e2a\u6708\uff1f<\/strong><\/p>\n<p>\u5bf9\u4e8e\u5982\u4e0b\u6240\u793a\u7684\u6570\u636e\u8868\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>name<\/th>\n<th>date<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>foo<\/td>\n<td>2022-01-01<\/td>\n<\/tr>\n<tr>\n<td>foo<\/td>\n<td>2022-01-23<\/td>\n<\/tr>\n<tr>\n<td>foo<\/td>\n<td>2022-03-01<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5982\u679c\u9700\u8981\u5224\u65ad\u662f\u5426\u5b58\u5728\u95f4\u9694\u4e24\u4e2a\u6708\u4ee5\u4e0a\u7684\u8bb0\u5f55\uff0c\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u8ba1\u7b97\u76f8\u90bb\u65e5\u671f\u4e4b\u95f4\u7684\u5929\u6570\u5dee\uff1a<\/strong>\u4f7f\u7528 shift() \u51fd\u6570\u5f97\u5230\u4e0a\u4e00\u884c\u7684\u65e5\u671f\uff0c\u7136\u540e\u5c06\u5f53\u524d\u884c\u65e5\u671f\u4e0e\u4e0a\u4e00\u884c\u65e5\u671f\u76f8\u51cf\uff0c\u5f97\u5230\u5929\u6570\u5dee\uff1a<\/li>\n<\/ol>\n<pre>df['day'] = (df.date.shift(-1) - df.date).dt.days<\/pre>\n<ol>\n<li><strong>\u68c0\u67e5\u662f\u5426\u5b58\u5728\u8d85\u8fc7 60 \u5929\u7684\u95f4\u9694\uff1a<\/strong>\u4e24\u4e2a\u6708\u7ea6\u4e3a 60 \u5929\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8868\u8fbe\u5f0f\u68c0\u67e5 day \u5217\u4e2d\u662f\u5426\u5b58\u5728\u5927\u4e8e 60 \u7684\u503c\uff1a<\/li>\n<\/ol>\n<pre>(df.day &gt; 60).any()<\/pre>\n<p>\u5982\u679c\u8fd4\u56de true\uff0c\u5219\u8868\u660e\u6709\u95f4\u9694\u4e24\u4e2a\u6708\u4ee5\u4e0a\u7684\u8bb0\u5f55\uff1b\u5426\u5219\uff0c\u8fd4\u56de false\uff0c\u8868\u793a\u6ca1\u6709\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5224\u65ad Pandas \u6570\u636e\u5e27\u4e2d\u65e5\u671f\u95f4\u9694\u662f\u5426\u8d85\u8fc7\u4e24\u4e2a\u6708\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5224\u65ad Pandas \u6570\u636e\u5e27\u4e2d&#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-205404","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205404","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=205404"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205404\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}