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

• Shanshan Wang,

  Roles Conceptualization, Data curation, Methodology, Resources, Validation, Writing – original draft

  Affiliation School of Statistics and Big Data, Henan University of Economics and Law, Zhengzhou, China

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• Xingxing Yang,

  Roles Investigation, Resources, Software, Visualization, Writing – original draft

  Affiliation School of Finance and Economic, Wuhan College, Wuhan, China

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• Xia Zhu ,

  Roles Data curation, Formal analysis, Investigation, Methodology, Validation, Writing – review & editing

  * E-mail: xzhu@zuel.edu.cn (XZ); xiangyu_ge@163.com (XG)

  Affiliation School of Statistics and Mathematics, Zhongnan University of Economics and Law, Wuhan, China

  https://orcid.org/0000-0003-0874-5683

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• Xiangyu Ge

  Roles Conceptualization, Formal analysis, Funding acquisition, Project administration, Supervision, Writing – review & editing

  * E-mail: xzhu@zuel.edu.cn (XZ); xiangyu_ge@163.com (XG)

  Affiliation Department of Finance, Wuhan Technology and Business University, Wuhan, China

  https://orcid.org/0000-0002-4850-5134

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