import_country          Download integrated rounds separately for
                        countries from the European Social Survey
import_rounds           Download integrated rounds from the European
                        Social Survey
import_sddf_country     Download SDDF data by round for countries from
                        the European Social Survey
recode_missings         Recode pre-defined missing values as NA
set_email               Save your ESS email as an environment variable
show_countries          Return available countries in the European
                        Social Survey
show_country_rounds     Return available rounds for a country in the
                        European Social Survey
show_rounds             Return available rounds in the European Social
                        Survey
show_rounds_country     Return countries that participated in *all* of
                        the specified rounds.
show_sddf_cntrounds     Return available SDDF rounds for a country in
                        the European Social Survey
show_theme_rounds       Return available rounds for a theme in the
                        European Social Survey
show_themes             Return available themes in the European Social
                        Survey
