{"id":97016,"date":"2024-10-20T14:17:16","date_gmt":"2024-10-20T06:17:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97016\/"},"modified":"2024-10-20T14:17:17","modified_gmt":"2024-10-20T06:17:17","slug":"python%e8%bc%95%e9%ac%86%e8%ae%80%e5%8f%96%e5%a4%9a%e7%b6%ad%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86%e6%9b%b4%e9%ab%98%e6%95%88-python%e8%ae%80%e5%8f%96%e5%a4%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97016\/","title":{"rendered":"Python\u8f15\u9b06\u8b80\u53d6\u591a\u7dad\u6578\u64da\u5eab\uff0c\u6578\u64da\u8655\u7406\u66f4\u9ad8\u6548 (python\u8b80\u53d6\u591a\u7dad\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"python%e8%bc%95%e9%ac%86%e8%ae%80%e5%8f%96%e5%a4%9a%e7%b6%ad%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86%e6%9b%b4%e9%ab%98%e6%95%88-xnUNfrMlpL\">Python\u8f15\u9b06\u8b80\u53d6\u591a\u7dad\u6578\u64da\u5eab\uff0c\u6578\u64da\u8655\u7406\u66f4\u9ad8\u6548<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u6709\u6548\u8655\u7406\u548c\u5206\u6790\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Python\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u4e14\u6613\u65bc\u5b78\u7fd2\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5df2\u7d93\u6210\u70ba\u6578\u64da\u79d1\u5b78\u5bb6\u548c\u5de5\u7a0b\u5e2b\u7684\u9996\u9078\u5de5\u5177\u4e4b\u4e00\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u591a\u7dad\u6578\u64da\u5eab\u6642\uff0cPython\u63d0\u4f9b\u4e86\u591a\u7a2e\u5f37\u5927\u7684\u5eab\u548c\u5de5\u5177\uff0c\u4f7f\u5f97\u6578\u64da\u7684\u8b80\u53d6\u548c\u8655\u7406\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a4%9a%e7%b6%ad%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-xnUNfrMlpL\">\u4ec0\u9ebc\u662f\u591a\u7dad\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u591a\u7dad\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6578\u64da\u5b58\u5132\u65b9\u5f0f\uff0c\u901a\u5e38\u7528\u65bc\u652f\u6301\u8907\u96dc\u7684\u67e5\u8a62\u548c\u5206\u6790\u3002\u9019\u7a2e\u6578\u64da\u5eab\u7684\u6578\u64da\u4ee5\u591a\u7dad\u6578\u7d44\u7684\u5f62\u5f0f\u7d44\u7e54\uff0c\u5141\u8a31\u7528\u6236\u5f9e\u4e0d\u540c\u7684\u7dad\u5ea6\u9032\u884c\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u92b7\u552e\u6578\u64da\u5eab\u4e2d\uff0c\u6578\u64da\u53ef\u4ee5\u6309\u6642\u9593\u3001\u5730\u5340\u548c\u7522\u54c1\u985e\u5225\u9032\u884c\u7d44\u7e54\u3002\u9019\u6a23\u7684\u7d50\u69cb\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u5feb\u901f\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n<h2 id=\"python%e8%ae%80%e5%8f%96%e5%a4%9a%e7%b6%ad%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%b7%a5%e5%85%b7-xnUNfrMlpL\">Python\u8b80\u53d6\u591a\u7dad\u6578\u64da\u5eab\u7684\u5de5\u5177<\/h2>\n<p>\u5728Python\u4e2d\uff0c\u6709\u5e7e\u500b\u6d41\u884c\u7684\u5eab\u53ef\u4ee5\u7528\u4f86\u8b80\u53d6\u548c\u8655\u7406\u591a\u7dad\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5de5\u5177\uff1a<\/p>\n<ul>\n<li><strong>Pandas<\/strong>\uff1aPandas\u662f\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5206\u6790\u5eab\uff0c\u63d0\u4f9b\u4e86DataFrame\u7d50\u69cb\uff0c\u9069\u5408\u7528\u65bc\u8655\u7406\u8868\u683c\u6578\u64da\u3002\u5b83\u652f\u6301\u5f9e\u591a\u7a2e\u6578\u64da\u6e90\u8b80\u53d6\u6578\u64da\uff0c\u5305\u62ecCSV\u3001Excel\u548cSQL\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>Numpy<\/strong>\uff1aNumpy\u662f\u4e00\u500b\u6578\u503c\u8a08\u7b97\u5eab\uff0c\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u591a\u7dad\u6578\u7d44\u64cd\u4f5c\u529f\u80fd\u3002\u5b83\u975e\u5e38\u9069\u5408\u7528\u65bc\u6578\u64da\u7684\u6578\u5b78\u904b\u7b97\u548c\u8655\u7406\u3002<\/li>\n<li><strong>Xarray<\/strong>\uff1aXarray\u5c08\u9580\u7528\u65bc\u8655\u7406\u591a\u7dad\u6578\u64da\uff0c\u7279\u5225\u662f\u6c23\u8c61\u548c\u6d77\u6d0b\u6578\u64da\u3002\u5b83\u63d0\u4f9b\u4e86\u985e\u4f3c\u65bcPandas\u7684API\uff0c\u4f46\u652f\u6301\u591a\u7dad\u6578\u7d44\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8python%e8%ae%80%e5%8f%96%e5%a4%9a%e7%b6%ad%e6%95%b8%e6%93%9a%e5%ba%ab-xnUNfrMlpL\">\u5982\u4f55\u4f7f\u7528Python\u8b80\u53d6\u591a\u7dad\u6578\u64da\u5eab<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Pandas\u548cNumpy\u8b80\u53d6\u591a\u7dad\u6578\u64da\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import pandas as pd\nimport numpy as np\n\n# \u5047\u8a2d\u6211\u5011\u6709\u4e00\u500bCSV\u6587\u4ef6\uff0c\u5305\u542b\u591a\u7dad\u6578\u64da\ndata = pd.read_csv('sales_data.csv')\n\n# \u67e5\u770b\u6578\u64da\u7684\u524d\u5e7e\u884c\nprint(data.head())\n\n# \u4f7f\u7528Numpy\u9032\u884c\u6578\u64da\u8655\u7406\nsales_array = np.array(data['sales'])\naverage_sales = np.mean(sales_array)\n\nprint(f'\u5e73\u5747\u92b7\u552e\u984d: {average_sales}')\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u4f7f\u7528Pandas\u8b80\u53d6CSV\u6587\u4ef6\uff0c\u7136\u5f8c\u5c07\u92b7\u552e\u6578\u64da\u8f49\u63db\u70baNumpy\u6578\u7d44\uff0c\u4e26\u8a08\u7b97\u5e73\u5747\u92b7\u552e\u984d\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u55ae\uff0c\u800c\u4e14\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8xarray%e8%99%95%e7%90%86%e5%a4%9a%e7%b6%ad%e6%95%b8%e6%93%9a-xnUNfrMlpL\">\u4f7f\u7528Xarray\u8655\u7406\u591a\u7dad\u6578\u64da<\/h2>\n<p>\u5982\u679c\u60a8\u9700\u8981\u8655\u7406\u66f4\u8907\u96dc\u7684\u591a\u7dad\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528Xarray\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import xarray as xr\n\n# \u5047\u8a2d\u6211\u5011\u6709\u4e00\u500bNetCDF\u6587\u4ef6\uff0c\u5305\u542b\u6c23\u8c61\u6578\u64da\nds = xr.open_dataset('weather_data.nc')\n\n# \u67e5\u770b\u6578\u64da\u96c6\u7684\u5167\u5bb9\nprint(ds)\n\n# \u8a08\u7b97\u67d0\u4e00\u7dad\u5ea6\u7684\u5e73\u5747\u503c\naverage_temp = ds['temperature'].mean(dim='time')\n\nprint(f'\u5e73\u5747\u6eab\u5ea6: {average_temp.values}')\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528Xarray\u8b80\u53d6NetCDF\u6587\u4ef6\uff0c\u4e26\u8a08\u7b97\u67d0\u4e00\u7dad\u5ea6\u7684\u5e73\u5747\u503c\u3002Xarray\u7684API\u8a2d\u8a08\u4f7f\u5f97\u591a\u7dad\u6578\u64da\u7684\u64cd\u4f5c\u8b8a\u5f97\u76f4\u89c0\u4e14\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-xnUNfrMlpL\">\u7d50\u8ad6<\/h2>\n<p>Python\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u8f15\u9b06\u8b80\u53d6\u548c\u8655\u7406\u591a\u7dad\u6578\u64da\u5eab\uff0c\u7121\u8ad6\u662f\u4f7f\u7528Pandas\u9032\u884c\u57fa\u672c\u7684\u6578\u64da\u5206\u6790\uff0c\u9084\u662f\u4f7f\u7528Xarray\u8655\u7406\u66f4\u8907\u96dc\u7684\u6578\u64da\u96c6\uff0cPython\u90fd\u80fd\u5920\u6eff\u8db3\u9700\u6c42\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u5c07\u5c0d\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u7522\u751f\u91cd\u8981\u5f71\u97ff\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u904b\u884c\u60a8\u7684Python\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5206\u6790\u63d0\u4f9b\u7a69\u5b9a\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Python\u8f15\u9b06\u8b80\u53d6\u591a\u7dad\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u8b93\u6578\u64da\u5206\u6790\u8b8a\u5f97\u66f4\u7c21\u55ae\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-97016","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97016","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=97016"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97016\/revisions"}],"predecessor-version":[{"id":97017,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97016\/revisions\/97017"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}