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Python数据清洗,学会这26段代码提效90%!

  • 2026-03-12 02:18:44
Python数据清洗,学会这26段代码提效90%!

  数据清洗是数据分析里至关重要的环节，今天我来和大家分享Python相关内容。相信大家对Python都不陌生，而Python数据分析与处理是数据分析师的核心技能之一，能帮我们从海量数据中挖掘出有价值的信息。

  其实在实际工作中，常用的也就NumPy、Pandas等几个库。今天我为大家整理好了Python数据分析的常用操作代码与实用算法，复制就能直接使用，希望这篇内容能帮到大家~

本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  1. CONNECT:[ UseTime:0.000369s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000516s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000271s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001540s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000498s ]
  6. SELECT * FROM `set` [ RunTime:0.001717s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000701s ]
  8. SELECT * FROM `article` WHERE `id` = 479203 LIMIT 1 [ RunTime:0.000692s ]
  9. UPDATE `article` SET `lasttime` = 1774643861 WHERE `id` = 479203 [ RunTime:0.001525s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000279s ]
  11. SELECT * FROM `article` WHERE `id` < 479203 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000556s ]
  12. SELECT * FROM `article` WHERE `id` > 479203 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.007036s ]
  13. SELECT * FROM `article` WHERE `id` < 479203 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.029527s ]
  14. SELECT * FROM `article` WHERE `id` < 479203 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.030570s ]
  15. SELECT * FROM `article` WHERE `id` < 479203 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.027077s ]
0.170371s