Rankings were obtained by applying the post-materialism scale developed by Inglehart (1977). The scale is based upon an experiment of the type <U+201C>pick 2 out of 4<U+201D> most important political goals for your Governments. For this reason, replace the 'NA's with 3 before using the rankings with codes 'ranktree' or 'cca' (see D'Ambrosio and Heiser, 2016).
About the predictors, the coding of the Countries are: G1 (Austria, Denmark, Netherlands, Sweden), G2 (Belgium, Croatia, France, Greece, Ireland, Northern Ireland, Spain), G3 (Bulgaria, Czechnia, East, Germany, Finland, Iceland, Luxembourg, Malta, Portugal, Romania, Slovenia, West Germany), G4 (Belarus, Estonia, Hungary, Latvia, Lithuania, Poland, Russia, Slovakia, Ukraine).
Coding of predictor "mstatus" are: mar (married), wid (widowed), div (divorced), sep (separated), nevm (never married).