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Python数据清洗,学会这42段代码提效90%

  • 2026-02-09 13:54:32
Python数据清洗,学会这42段代码提效90%

数据清洗作为数据分析中最为重要的一环，所以今日给大家分享的是python，大家对于python并不陌生，那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拿走即用，希望本篇文章可以帮助到你们~

！！

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  1. CONNECT:[ UseTime:0.000439s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000588s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000284s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000320s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000550s ]
  6. SELECT * FROM `set` [ RunTime:0.000429s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000584s ]
  8. SELECT * FROM `article` WHERE `id` = 474529 LIMIT 1 [ RunTime:0.000429s ]
  9. UPDATE `article` SET `lasttime` = 1770628173 WHERE `id` = 474529 [ RunTime:0.003382s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000274s ]
  11. SELECT * FROM `article` WHERE `id` < 474529 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000743s ]
  12. SELECT * FROM `article` WHERE `id` > 474529 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000453s ]
  13. SELECT * FROM `article` WHERE `id` < 474529 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002314s ]
  14. SELECT * FROM `article` WHERE `id` < 474529 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003167s ]
  15. SELECT * FROM `article` WHERE `id` < 474529 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001552s ]
0.085061s