data&code for \"The impacts of economy policy uncertainty on peer effects of firms R&D investment: Based on LDA machine learning and regression statistical modeling approach\"

These are the data&code for paper entitled\"The impacts of economy policy uncertainty on peer effects of firms R&D investment: Based on LDA machine learning and regression statistical modeling approach\".本数据集与代码配套于题为《经济政策不确定性对企业研发投资同伴效应的影响——基于潜在狄利克雷分配（Latent Dirichlet Allocation，LDA）机器学习与回归统计建模方法》的学术论文。