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别再只会背 Pandas 了!Python 做数据分析的完整流程,其实就这 8 步

  • 2026-08-18 23:11:53
别再只会背 Pandas 了!Python 做数据分析的完整流程,其实就这 8 步

很多人在刚开始学习 Python 数据分析的时候，比较容易出现一个误区，就是把大量时间都放在记函数、抄代码以及熟悉语法上。

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  1. CONNECT:[ UseTime:0.001093s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001649s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.004837s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.009906s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001455s ]
  6. SELECT * FROM `set` [ RunTime:0.003669s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001592s ]
  8. SELECT * FROM `article` WHERE `id` = 509692 LIMIT 1 [ RunTime:0.001877s ]
  9. UPDATE `article` SET `lasttime` = 1787294152 WHERE `id` = 509692 [ RunTime:0.026608s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000614s ]
  11. SELECT * FROM `article` WHERE `id` < 509692 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002820s ]
  12. SELECT * FROM `article` WHERE `id` > 509692 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000967s ]
  13. SELECT * FROM `article` WHERE `id` < 509692 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.019851s ]
  14. SELECT * FROM `article` WHERE `id` < 509692 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.027192s ]
  15. SELECT * FROM `article` WHERE `id` < 509692 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.017506s ]
0.289095s