公共卫生议题海外社交媒体传播策略研究——以Twitter平台两大央媒“新冠疫情”报道为例

This is a project for data analysis competition. According to policy of twitter developer, the raw data will be excluded.

• Acqu.R includes the codes to collect data from twitter.
• TimeClean.R includes the codes to format the date.
• viz.R includes the codes how we structure the data and visualize them.

Academical use only!