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TIS Innovation

project topic modelling and sentiment analysis of TIS innovation battery electric vehicles (BEVs)

Disclaimer

Disclaimer: The author posed the following code for academic purposes and an illustration of Selenium only. Scraping LexisNexis may be a violation of LexisNexis user policy. Use at your own legal risk.

number of cases

  • Raw article numbers: 5576
  • Article numbers after dropping duplicates: 3527
  • Number of actual articles (1966 to 2019) with sentiment score and assigned dominant topic: 3485
  • Number of actual articles (2007 to 2019) with sentiment score and assigned dominant topic: 3484
  • Number of actual articles (2009 to 2019) with sentiment score and assigned dominant topic: 3423