respondent's latent expertise on the cantonal proposal "Millionärssteuer ─ Für eine faire Vermögenssteuer im Aargau", measured in 5 discrete categories (based on latent_expertise_cantonal_proposal_1; only voters)

respondent's latent expertise on all cantonal proposals together (based on a 2–3 parameter logistic Item Response Theory (IRT) model, also known as Birnbaum model, fed with passed_skill_question_1_cantonal_proposal_1, passed_skill_question_2_cantonal_proposal_1, passed_skill_question_3_cantonal_proposal_1, passed_skill_question_4_cantonal_proposal_1 and passed_skill_question_5_cantonal_proposal_1; only voters)

respondent's latent expertise on all cantonal proposals together, measured in 5 discrete categories (based on latent_expertise_cantonal_proposals; only voters)