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Investigating Sequences in Ordinal Data: A New Approach With Adapted Evolutionary Models
Inst Future Studies, Box 591, S-10131 Stockholm, Sweden.;Stockholm Univ, Ctr Study Cultural Evolut, Stockholm, Sweden.;Stockholm Univ, Dept Zool, Stockholm, Sweden.;Univ Gothenburg, V Dem Inst, Box 711, S-40530 Gothenburg, Sweden..
Mälardalen University, School of Education, Culture and Communication, Educational Sciences and Mathematics. Stockholm Univ, Ctr Study Cultural Evolut, Stockholm, Sweden.;Malardalen Univ, Div Appl Math, Vasteras, Sweden.. (MAM)
Univ Gothenburg, V Dem Inst, Box 711, S-40530 Gothenburg, Sweden.;Natl Cheng Kung Univ, Dept Polit Sci, 1 Univ Rd, Tainan 701, Taiwan..
Univ Gothenburg, V Dem Inst, Box 711, S-40530 Gothenburg, Sweden.;Univ Gothenburg, Dept Polit Sci, Box 711, S-40530 Gothenburg, Sweden..
2018 (English)In: Political Science Research and Methods, ISSN 2049-8470, E-ISSN 2049-8489, Vol. 6, no 3, p. 449-466Article in journal (Refereed) Published
Abstract [en]

This paper presents a new approach for studying temporal sequences across ordinal variables. It involves three complementary approaches (frequency tables, transitional graphs, and dependency tables), as well as an established adaptation based on Bayesian dynamical systems, inferring a general system of change. The frequency tables count pairs of values in two variables and transitional graphs depict changes, showing which variable tends to attain high values first. The dependency tables investigate which values of one variable are prerequisites for values in another, as a more direct test of causal hypotheses. We illustrate the proposed approaches by analyzing the V-Dem dataset, and show that changes in electoral democracy are preceded by changes in freedom of expression and access to alternative information.

Place, publisher, year, edition, pages
CAMBRIDGE UNIV PRESS , 2018. Vol. 6, no 3, p. 449-466
National Category
Mathematics
Research subject
Mathematics/Applied Mathematics
Identifiers
URN: urn:nbn:se:mdh:diva-39231DOI: 10.1017/psrm.2018.9ISI: 000431289200003OAI: oai:DiVA.org:mdh-39231DiVA, id: diva2:1206430
Available from: 2018-05-17 Created: 2018-05-17 Last updated: 2018-06-22Bibliographically approved

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Jansson, Fredrik

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