Data Analysis and Visualization of Newspaper Articles on Thirdhand Smoke: A Topic Modeling Approach

Qian Liu   ^{1, 2} , BTech, MSc, PhD ;   Qiuyi Chen   ¹ , BA ;   Jiayi Shen   ³ , MBBS ;   Huailiang Wu   ³ , MBBS ;   Yimeng Sun   ¹ , BA ;   Wai-Kit Ming   ^{4, 5, 6, 7} , MD, MPH, MMSCI, PhD

¹ School of Journalism and Communication, Jinan University, Guangzhou, China

² National Media Experimental Teaching Demonstration Center, Jinan University, Guangzhou, China

³ School of Medicine, Jinan University, Guangzhou, China

⁴ Department of Obstetrics & Gynaecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China

⁵ Harvard Medical School, Harvard University, Boston, MA, United States

⁶ Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, China (Hong Kong)

⁷ Li Ka Shing Faculty of Medicine, University of Hong Kong, Pokfulam, China (Hong Kong)