Evaluation of Enterprise Digital Transformation : Is Keyword Frequency Method Accurate?

Evaluating corporate digital transformation through keyword frequency of digital transformation in annual reports is a commonly used method. However, this method often overlooks negation words and forward-looking words around the keywords of digital transformation, leading to inaccurate evaluations. In this paper, we propose an improved approach to the keyword frequency method using machine learning, and validate the accuracy of this approach through experiments. This method has important implications for empirical research in finance and the evaluation of digital transformation of enterprises