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Python 数据清洗|10 个高频实用技巧整理

  • 2026-08-20 11:20:38
Python 数据清洗|10 个高频实用技巧整理

Python 数据清洗｜10 个高频实用技巧整理

数据处理里，80%的时间都花在清洗上？
1、 缺失值一键删除/填充
2、重复数据自动去重
3、日期、文本、类型错误批量修正
4、 正则提取关键信息 + 多表合并
#Python#数据清洗#Python数据分析#数据分析#编程#代码

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  1. CONNECT:[ UseTime:0.000964s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001424s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.011940s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.013427s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001422s ]
  6. SELECT * FROM `set` [ RunTime:0.000615s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001492s ]
  8. SELECT * FROM `article` WHERE `id` = 505425 LIMIT 1 [ RunTime:0.001735s ]
  9. UPDATE `article` SET `lasttime` = 1787305761 WHERE `id` = 505425 [ RunTime:0.014282s ]
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0.485851s