Runs indicator_change() for the chosen country, years and checkboxes,
and shows how many indicators increased and decreased, and its two tables
with render_change_table(). Asks for two different years, and shows the
error of indicator_change() (no data in either year) in place of the
tables.
Arguments
- id
Character. Module namespace id, must match the id used in
mod_change_ui().- mfi
Data frame of World Bank indicator values (long format, with
Country Name,Indicator Name,Year,valuecolumns).