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用Python代替Excel:Pandas高阶技巧大全

  • 2026-02-28 01:15:02
用Python代替Excel:Pandas高阶技巧大全

  Pandas 是一款开源的Python 数据分析工具库，提供了高效、灵活且直观的数据结构，目的是让数据清洗与数据分析工作更简便、更高效。 

  应聘数据相关岗位，熟练使用 Pandas 是数据分析的核心能力，几乎所有涉及数据处理的工作都会用到 Pandas，知识点不算繁杂，务必提前学好。

  下面整理了 Pandas 的高级常用操作（附带代码与实例，适合零基础学习。已开源，收录在知识库里了，大家有需要的话自取下！）：

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  1. CONNECT:[ UseTime:0.000462s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000587s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.005482s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002731s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000601s ]
  6. SELECT * FROM `set` [ RunTime:0.000885s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000726s ]
  8. SELECT * FROM `article` WHERE `id` = 477604 LIMIT 1 [ RunTime:0.002507s ]
  9. UPDATE `article` SET `lasttime` = 1772233805 WHERE `id` = 477604 [ RunTime:0.003246s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001157s ]
  11. SELECT * FROM `article` WHERE `id` < 477604 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.008020s ]
  12. SELECT * FROM `article` WHERE `id` > 477604 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.010452s ]
  13. SELECT * FROM `article` WHERE `id` < 477604 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.021544s ]
  14. SELECT * FROM `article` WHERE `id` < 477604 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.012211s ]
  15. SELECT * FROM `article` WHERE `id` < 477604 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.022110s ]
0.163791s