All functions

covid_theme

keywords relating to COVID-19 pandemics

debate_dtd

Comments on a video of a political debate.

opi_impact()

Statistical assessment of impacts of a specified theme from a DTD.

opi_score()

Opinion score of a digital text document (DTD)

opi_sim()

Simulates the opinion expectation distribution of a digital text document.

osd_data

Observed sentiment document (OSD).

policing_dtd

Twitter posts on police/policing

refreshment_theme

Keywords relating to facilities at train stations

reviews_dtd

Customer reviews from tripadvisor website

signage_theme

Keywords relating to signages at train stations

tweets

Fake Twitter posts on police/policing 2

word_distrib()

Words Distribution

word_imp()

Importance of words (terms) embedded in a text document