All functions

date_slider_input()

date_slider_input allows the user to set the the date range from which the user want to produces the graphs for that selected range of date

gg_covid_barplot()

gg_covid_barplot functions creates a bar chart that shows us the covid- 19 positive case for the user selected state of Australia

gg_covid_line()

gg_covid_line functions creates a graphs that shows us the recovered/confirmed/deaths cases for the selected country and selected date range by the user

launch_app()

Launch the shiny app from this function

select_input_austate()

select_input_austate allows the user to select one of the states of Australia.

select_input_world_countries()

select_input_world_countries allows the user to select any desired country from a list of countries.