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降维打击,一图拿捏Python数据分析

  • 2026-07-01 03:42:01
降维打击,一图拿捏Python数据分析

降维打击，一图拿捏Python数据分析

一图拿捏Python数据分析：
1. 导入库，通常含数据读取、可视化和机器学习等库 ；
2.数据读入，可以是本地csv或Excel文件，也可以是机器学习包自带数据集 ；
3.数据处理，通常包括查看数据整体情况，处理重复和缺失等；
4.数据可视化，方便快速掌握数据分布，通常使用matplotlib 绘制图形；
5.特征工程，选择更重要的数据列作为输入，包括编码分类数据和规范化数据 ；
6.模型训练和评估，包括拆分数据集，建立模型进行训练，以及评估模型性能 。

来和我一起学习Python数据分析吧！
#数据分析#数据分析模型#Python#SPSS#SQL

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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:0.000681s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001609s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000312s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000703s ]
  6. SELECT * FROM `set` [ RunTime:0.000282s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000744s ]
  8. SELECT * FROM `article` WHERE `id` = 488145 LIMIT 1 [ RunTime:0.006265s ]
  9. UPDATE `article` SET `lasttime` = 1783149786 WHERE `id` = 488145 [ RunTime:0.001464s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000337s ]
  11. SELECT * FROM `article` WHERE `id` < 488145 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000561s ]
  12. SELECT * FROM `article` WHERE `id` > 488145 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003102s ]
  13. SELECT * FROM `article` WHERE `id` < 488145 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004245s ]
  14. SELECT * FROM `article` WHERE `id` < 488145 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.010392s ]
  15. SELECT * FROM `article` WHERE `id` < 488145 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.014107s ]
0.141337s