{"id":481,"date":"2025-01-14T15:30:55","date_gmt":"2025-01-14T07:30:55","guid":{"rendered":"http:\/\/sqtcw.cn\/?p=481"},"modified":"2025-01-14T15:30:55","modified_gmt":"2025-01-14T07:30:55","slug":"dataframe-%e6%98%afpython%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e9%a2%84%e5%a4%84%e7%90%86%e3%80%81%e6%8e%a2%e7%b4%a2%e6%80%a7%e6%95%b0%e6%8d%ae%e5%88%86%e6%9e%90%e5%92%8c%e6%9e%84%e5%bb%ba","status":"publish","type":"post","link":"http:\/\/www.cnitw.com\/?p=481","title":{"rendered":"DataFrame\u00a0\u662fPython\u8fdb\u884c\u6570\u636e\u9884\u5904\u7406\u3001\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\u548c\u6784\u5efa\u6570\u636e\u96c6\u7684\u91cd\u8981\u5de5\u5177"},"content":{"rendered":"\n<p><code>DataFrame<\/code> \u662f <code>pandas<\/code> \u5e93\u4e2d\u7684\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e4b\u4e00\uff0c\u5b83\u7c7b\u4f3c\u4e8e\u4e00\u4e2a\u8868\u683c\u6216\u7535\u5b50\u8868\u683c\u3002<\/p>\n\n\n\n<p><code>DataFrame<\/code> \u7531\u884c\u548c\u5217\u7ec4\u6210\uff0c\u6bcf\u5217\u53ef\u4ee5\u662f\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff08\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u7b49\uff09\u3002\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65b9\u6cd5\u548c\u51fd\u6570\uff0c\u7528\u4e8e\u6570\u636e\u7684\u9009\u62e9\u3001\u8fc7\u6ee4\u3001\u805a\u5408\u3001\u5408\u5e76\u3001\u6392\u5e8f\u7b49\u64cd\u4f5c\uff0c\u4f7f\u5f97\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u53d8\u5f97\u66f4\u52a0\u65b9\u4fbf\u548c\u9ad8\u6548\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u8bfb\u53d6\u5404\u79cd\u6570\u636e\u6e90\uff08\u5982 CSV \u6587\u4ef6\u3001Excel \u6587\u4ef6\u3001\u6570\u636e\u5e93\u7b49\uff09\u6765\u521b\u5efa <code>DataFrame<\/code> \uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u521b\u5efa\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u624b\u52a8\u521b\u5efa <code>DataFrame<\/code> \u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\n\ndata = {'A': &#91;1, 2, 3], 'B': &#91;'a', 'b', 'c']}\ndf = pd.DataFrame(data)\nprint(df)<\/code><\/pre>\n\n\n\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c<code>DataFrame<\/code> \u662f\u8fdb\u884c\u6570\u636e\u9884\u5904\u7406\u3001\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\u548c\u6784\u5efa\u6570\u636e\u96c6\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DataFrame \u662f pandas \u5e93\u4e2d\u7684\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e4b\u4e00\uff0c\u5b83\u7c7b\u4f3c\u4e8e\u4e00\u4e2a\u8868\u683c\u6216\u7535\u5b50\u8868\u683c\u3002 DataFrame \u7531\u884c\u548c\u5217\u7ec4\u6210\uff0c\u6bcf\u5217\u53ef\u4ee5\u662f\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff08\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u7b49\uff09\u3002\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65b9\u6cd5\u548c\u51fd\u6570\uff0c\u7528\u4e8e\u6570\u636e\u7684\u9009\u62e9\u3001\u8fc7\u6ee4\u3001\u805a\u5408\u3001\u5408\u5e76\u3001\u6392\u5e8f\u7b49\u64cd\u4f5c\uff0c\u4f7f\u5f97\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u53d8\u5f97\u66f4\u52a0\u65b9\u4fbf\u548c\u9ad8\u6548\u3002 \u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u8bfb\u53d6\u5404\u79cd\u6570\u636e\u6e90\uff08\u5982 CSV \u6587\u4ef6\u3001Excel \u6587\u4ef6\u3001\u6570\u636e\u5e93\u7b49\uff09\u6765\u521b\u5efa DataFrame \uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u521b\u5efa\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u624b\u52a8\u521b\u5efa DataFrame \u7684\u7b80\u5355\u793a\u4f8b\uff1a \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cDataFrame 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