ei_NZ_2002              Ecological inference data sets of the 2002 New
                        Zealand General Election.
ei_NZ_2005              Ecological inference data sets of the 2005 New
                        Zealand General Election.
ei_NZ_2008              Ecological inference data sets of the 2008 New
                        Zealand General Election.
ei_NZ_2011              Ecological inference data sets of the 2011 New
                        Zealand General Election.
ei_NZ_2014              Ecological inference data sets of the 2014 New
                        Zealand General Election.
ei_NZ_2017              Ecological inference data sets of the 2017 New
                        Zealand General Election.
ei_NZ_2020              Ecological inference data sets of the 2020 New
                        Zealand General Election.
ei_SCO_2007             Ecological inference data sets of the 2007
                        Scottish National Assembly.
merge_small_options     Merge small parties and/or candidates
