How Pandemic Spread in News: Text Analysis Using Topic Model

Understand

Researches about COVID-19 has increased largely, no matter in the biology field or the others.

• This research conducted a text analysis using LDA topic model.
• We firstly scraped totally 1127 articles and 5563 comments on SCMP covering COVID-19 from Jan 20 to May 19, then we trained the LDA model and tuned parameters based on the Cv coherence as the model evaluation method.
• With the optimal model, dominant topics, representative documents of each topic and the inconsistence between articles and comments are analyzed.