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Python数据分析最重要的18个Pandas函数

  • 2026-02-07 00:28:04
Python数据分析最重要的18个Pandas函数

📊我抽空梳理了Pandas的常用功能与必备函数，分享给各位小伙伴。
📚Pandas快速入门小技巧：掌握Python基础后，先学会用Numpy处理数值类数据，再借助Pandas开展更复杂的数据处理与分析工作。

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  1. CONNECT:[ UseTime:0.000538s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000903s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000366s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.005140s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000509s ]
  6. SELECT * FROM `set` [ RunTime:0.000532s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000572s ]
  8. SELECT * FROM `article` WHERE `id` = 474055 LIMIT 1 [ RunTime:0.000599s ]
  9. UPDATE `article` SET `lasttime` = 1770426213 WHERE `id` = 474055 [ RunTime:0.011449s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000223s ]
  11. SELECT * FROM `article` WHERE `id` < 474055 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000497s ]
  12. SELECT * FROM `article` WHERE `id` > 474055 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000410s ]
  13. SELECT * FROM `article` WHERE `id` < 474055 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000951s ]
  14. SELECT * FROM `article` WHERE `id` < 474055 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000639s ]
  15. SELECT * FROM `article` WHERE `id` < 474055 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000624s ]
0.093305s