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Python数据清洗全流程,存一下吧~

  • 2026-03-07 03:23:30
Python数据清洗全流程,存一下吧~

🍀数据清洗是数据分析和数据挖掘的重要步骤，通常占整个数据分析过程的60%-80%的时间。
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🎯今天给大家分享的是如何用Python进行数据的清洗与处理，Python数据分析和处理是数据分析师的重要技能之一，帮助我们从海量数据中提取有价值的信息。
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🍎其实工作中用到的东西就这几个库，numpy，pandas等，今天就给大家整理了Python数据分析的常用操作代码和常用算法。希望可以帮到大家~

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  1. CONNECT:[ UseTime:0.001428s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001663s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000810s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000720s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001366s ]
  6. SELECT * FROM `set` [ RunTime:0.000579s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001499s ]
  8. SELECT * FROM `article` WHERE `id` = 478328 LIMIT 1 [ RunTime:0.001946s ]
  9. UPDATE `article` SET `lasttime` = 1774581753 WHERE `id` = 478328 [ RunTime:0.022016s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.002874s ]
  11. SELECT * FROM `article` WHERE `id` < 478328 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001172s ]
  12. SELECT * FROM `article` WHERE `id` > 478328 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001091s ]
  13. SELECT * FROM `article` WHERE `id` < 478328 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001858s ]
  14. SELECT * FROM `article` WHERE `id` < 478328 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004446s ]
  15. SELECT * FROM `article` WHERE `id` < 478328 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002069s ]
0.222692s