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recbole能否进行交叉验证?[💡SUG] Description of what you want to happen in one sentence #2025

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ahukmr opened this issue Mar 25, 2024 · 2 comments
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enhancement New feature or request

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@ahukmr
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ahukmr commented Mar 25, 2024

我想对模型进行交叉验证实验请问该如何实现?
例如将训练集和验证集合并,再将合并后的数据分为十份,任选九份作为训练集,一份为验证集,然后跑多次实验得到交叉验证的实验结果,请问利用recbole库该如何实现呀?

@ahukmr ahukmr added the enhancement New feature or request label Mar 25, 2024
@NEUYuYang
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请问您有解决方法了吗

@Yilu114
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Yilu114 commented Sep 4, 2024

在RecBole中,要实现交叉验证实验,你可以使用其内置的数据分割功能,并自定义数据加载和模型训练逻辑。

实现步骤如下:

  1. 数据集准备和合并:

    • 将训练集和验证集合并为一个数据集。
    • 使用RecBole的Dataset类加载数据,并指定合并后的数据文件路径。
  2. 自定义数据分割:

    • 自定义数据分割策略,通过配置split参数(如split_ratio)来定义数据分割方式。你可以手动分割数据集为10份,或者使用KFold等交叉验证方法。
  3. 模型训练和评估:

    • 利用RecBole的Trainer类来定义和执行多次实验。每次选择九份作为训练集,一份作为验证集。
    • 使用train()方法进行训练,并用evaluate()方法进行模型评估。

通过这种方式,你可以利用RecBole框架进行交叉验证实验,并获得模型在不同数据分割下的性能表现。

有关更多详细信息和API参考,请查看RecBole文档

@Yilu114 Yilu114 closed this as completed Sep 4, 2024
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