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002_sparse_one.py第228行 #1
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第一次写分享,没什么经验感谢指正!
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您好! 看了您的代码, 觉得代码框架很有条理, 设计模式良好! 很是受益, 再次谢谢您! 大神想向您请教一个问题哈, 每次构造好特征之后, 接下来会进行特征选择, 我猜您应该是通过某种方法选出了重要特征, 但是您没有给出特征选择的代码, 请问是依据什么来选出这些特征的, 有什么通用的技巧吗? 谢谢啦! |
采用的是wrapper特征筛选,根据特征在模型上的表现进行选择,主要应用的是前向和后向搜索,readme里有简单说明,感谢您的来信!
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发件人: "Hongbo"<[email protected]>;
发送时间: 2018年8月12日(星期天) 晚上8:33
收件人: "liupengsay/2018-Tencent-social-advertising-algorithm-contest"<2018-Tencent-social-advertising-algorithm-contest@noreply.github.com>;
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主题: Re: [liupengsay/2018-Tencent-social-advertising-algorithm-contest] 002_sparse_one.py第228行 (#1)
您好! 看了您的代码, 觉得代码框架很有条理, 设计模式良好! 很是受益, 再次谢谢您! 大神想向您请教一个问题哈, 每次构造好特征之后, 接下来会进行特征选择, 我猜您应该是通过某种方法选出了重要特征, 但是您没有给出特征选择的代码, 请问是依据什么来选出这些特征的, 有什么通用的技巧吗? 谢谢啦!
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想问一下,为什么我从官网下载的数据集中没有test2呢,楼主有test2的数据吗? 能发一份不 |
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data = pd.read_csv('train_test_merge.csv')
这一行报错, 文件不存在, 这里应该在文件前面加上路径吧.
大神的代码写得很赞...编排也很用心,感谢!
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