{"id":204747,"date":"2025-05-29T16:30:02","date_gmt":"2025-05-29T08:30:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204747\/"},"modified":"2025-05-29T16:30:02","modified_gmt":"2025-05-29T08:30:02","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-pandas-%e5%88%a4%e6%96%ad%e6%95%b0%e6%8d%ae%e8%ae%b0%e5%bd%95%e7%9a%84%e6%97%a5%e6%9c%9f%e9%97%b4%e9%9a%94%e6%98%af%e5%90%a6%e8%b6%85%e8%bf%87%e6%9f%90%e4%b8%aa","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204747\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Pandas \u5224\u65ad\u6570\u636e\u8bb0\u5f55\u7684\u65e5\u671f\u95f4\u9694\u662f\u5426\u8d85\u8fc7\u67d0\u4e2a\u9608\u503c\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 Pandas \u5224\u65ad\u6570\u636e\u8bb0\u5f55\u7684\u65e5\u671f\u95f4\u9694\u662f\u5426\u8d85\u8fc7\u67d0\u4e2a\u9608\u503c\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241115\/17316396496736b9616af4a.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u4f7f\u7528 pandas \u5224\u65ad\u6570\u636e\u8bb0\u5f55\u7684\u65e5\u671f\u95f4\u9694<\/strong><\/p>\n<p>\u6709\u65f6\u6211\u4eec\u9700\u8981\u5224\u65ad\u67d0\u4e2a\u6570\u636e\u96c6\u4e2d\u4e24\u6761\u8bb0\u5f55\u4e4b\u95f4\u7684\u65e5\u671f\u95f4\u9694\u662f\u5426\u8d85\u8fc7\u67d0\u4e2a\u9608\u503c\u3002\u6bd4\u5982\uff0c\u5728\u5305\u542b\u5982\u4e0b\u8bb0\u5f55\u7684\u6570\u636e\u96c6\u4e2d\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\u4f55\u786e\u5b9a\u662f\u5426\u6709\u95f4\u9694\u8d85\u8fc7\u4e24\u4e2a\u6708\u7684\u8bb0\u5f55\uff1f<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 pandas \u7684 shift \u548c dt.days \u51fd\u6570\u6765\u8ba1\u7b97\u76f8\u90bb\u8bb0\u5f55\u4e4b\u95f4\u7684\u65e5\u671f\u95f4\u9694\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u64cd\u4f5c\uff1a<\/p>\n<ol>\n<li>\u6dfb\u52a0\u4e00\u4e2a\u540d\u4e3a &#8216;day&#8217; \u7684\u65b0\u5217\uff0c\u7528\u4e8e\u5b58\u50a8\u4e24\u6b21\u8bb0\u5f55\u4e4b\u95f4\u7684\u5929\u6570\uff1a<\/li>\n<\/ol>\n<pre>df['day'] = (df.date.shift(-1) - df.date).dt.days<\/pre>\n<p>\u8ba1\u7b97\u7ed3\u679c\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>name<\/th>\n<th>date<\/th>\n<th>day<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>foo<\/td>\n<td>2022-01-01<\/td>\n<td>22<\/td>\n<\/tr>\n<tr>\n<td>foo<\/td>\n<td>2022-01-23<\/td>\n<td>37<\/td>\n<\/tr>\n<tr>\n<td>foo<\/td>\n<td>2022-03-01<\/td>\n<td>nan<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ol>\n<li>\u68c0\u67e5 &#8216;day&#8217; \u5217\u4e2d\u662f\u5426\u6709\u5927\u4e8e 60 \u7684\u503c\uff1a<\/li>\n<\/ol>\n<pre>(df.day &gt; 60).any()<\/pre>\n<p>\u5982\u679c\u7ed3\u679c\u4e3a true\uff0c\u5219\u8bf4\u660e\u5b58\u5728\u95f4\u9694\u8d85\u8fc7\u4e24\u4e2a\u6708\u7684\u8bb0\u5f55\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528 Pandas \u5224\u65ad\u6570\u636e\u8bb0\u5f55\u7684\u65e5\u671f\u95f4\u9694\u662f\u5426\u8d85\u8fc7\u67d0\u4e2a\u9608\u503c\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\u4f7f\u7528 Pandas \u5224\u65ad\u6570\u636e&#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-204747","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204747","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=204747"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204747\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}