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python数据分析数据清理实操!必看资料~

  • 2026-07-01 22:23:35
python数据分析数据清理实操!必看资料~

python数据分析数据清理实操！必看资料~

✨当今的数据时代，数据已成为企业决策和业务发展中必不可少的一部分。然而，原始数据往往包含了大量的冗余、无用或错误信息，给数据分析带来了挑战。这就需要进行数据清洗和预处理，以去除问题和提高数据质量
今天给大家整理了学数据分析一定要看 python数据分析数据清理实操
主要针对数据分析过程中的常见数据操作
主要包括两大块：
 数据规整化：清理、转换、合并、重塑
 数据聚合与分组运算
掌握这一神器 你就可以事半功倍
#python编程学习 #Python数据分析 #数据分析我在行 #数据清洗 #数据处理

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  1. CONNECT:[ UseTime:0.000410s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000687s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000284s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000282s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000595s ]
  6. SELECT * FROM `set` [ RunTime:0.001943s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000681s ]
  8. SELECT * FROM `article` WHERE `id` = 497668 LIMIT 1 [ RunTime:0.003700s ]
  9. UPDATE `article` SET `lasttime` = 1783011436 WHERE `id` = 497668 [ RunTime:0.021607s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000286s ]
  11. SELECT * FROM `article` WHERE `id` < 497668 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000557s ]
  12. SELECT * FROM `article` WHERE `id` > 497668 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.007785s ]
  13. SELECT * FROM `article` WHERE `id` < 497668 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.061875s ]
  14. SELECT * FROM `article` WHERE `id` < 497668 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000737s ]
  15. SELECT * FROM `article` WHERE `id` < 497668 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.012769s ]
0.184694s