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五种Python算法模型(配代码)

2026-07-02 09:01:58

五种Python算法模型(配代码)

Python自带各式各样的程序库和开发框架，搭建、训练相关模型会省事不少。

这篇内容主要分享五种日常高频使用的Python模型，附带配套代码，分别是线性回归、逻辑回归、决策树、随机森林、神经网络，完整覆盖数据预处理、机器学习模型训练、效果评估整套基础步骤。

本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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基本文件流程错误 SQL 调试

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运行时间 : 0.099585s [ 吞吐率：10.04req/s ] 内存消耗：4,563.31kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=cb78ad99661ba2585c36081c399450de

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CONNECT:[ UseTime:0.000539s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000844s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000274s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000477s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000492s ]
SELECT * FROM `set` [ RunTime:0.000494s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000585s ]
SELECT * FROM `article` WHERE `id` = 497866 LIMIT 1 [ RunTime:0.003126s ]
UPDATE `article` SET `lasttime` = 1783011682 WHERE `id` = 497866 [ RunTime:0.007500s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000253s ]
SELECT * FROM `article` WHERE `id` < 497866 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000536s ]
SELECT * FROM `article` WHERE `id` > 497866 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000462s ]
SELECT * FROM `article` WHERE `id` < 497866 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004711s ]
SELECT * FROM `article` WHERE `id` < 497866 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000858s ]
SELECT * FROM `article` WHERE `id` < 497866 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008768s ]

0.101193s

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