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.

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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