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DQN_Pytorch

DQN coded with pytorch

DQN in Cartpole-v1

模型在训练过程中发生退化的现象,这可能与本项目采用的神经元节点数量有关。value-base的模型存在value function的细微变动却导致策略所产生动作概率大幅改变的情况,这种情形在训练过程中会导致采样轨迹的偏移,从而导致模型的退化,增加网络神经元数量可以提高模型对信息的容纳能力,减小极端数据对value function的不良影响,改善模型表现情况。

此外,单DQN网络对Q函数的估计也会由于噪声的存在而偏高,Nature版本DQN依靠双QNet及延时更新的技术对此现象起到了改善的作用。

Train and test

可利用的模型参数文件存储在modelDQN文件夹下,DQN_Pytorch.py文件可用于模型的训练 DQN_Test.py用于模型推理

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