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Consolidate scale examples into one figure

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# Predeclared case-selection rules
# Scale-example selection and interpretation
These rules were recorded before inspecting the selected parties' position estimates.
The scale examples are selected to make the two released dimensions substantively interpretable. They are illustrative reference cases rather than a representative sample or an independent validation of the posterior coordinates. Published party-history research supports the qualitative interpretation of the cases, not their exact estimated values.
## Trajectory figure
The figure will use parties selected for cross-national recognition, family diversity, long election coverage, and relevance to interpreting movement on the two scales. Selection is not based on the magnitude of the estimated movement.
The connected paths show recognizable changes across countries and political traditions:
Preselected parties:
- Hungary: Fidesz (PartyFacts 1691), 1990--2022.
- Denmark: Social Democratic Party (PartyFacts 379), 2007--2019.
- United States: Democratic Party (PartyFacts 432), 1944--2020.
- Germany: Social Democratic Party of Germany (PartyFacts 383)
- Germany: Christian Democratic Union (PartyFacts 1375)
- United Kingdom: Labour Party (PartyFacts 1516)
- United Kingdom: Conservative Party (PartyFacts 1567)
- Denmark: Social Democratic Party, short name SD (PartyFacts 379)
- Sweden: Sweden Democrats (PartyFacts 409)
- United States: Democratic Party (PartyFacts 432)
- United States: Republican Party (PartyFacts 809)
The final display may use a subset only to preserve legibility, but exclusions must be based on panel layout or insufficient coverage rather than unattractive results. Both posterior means and 95% latent-position credible intervals will be shown. Text will not infer a cause of movement from the estimates alone.
All election-year posterior means in these windows form the connected paths. The labelled endpoints include 95% latent-position credible intervals. The manuscript uses published historical research to interpret the broad movements without treating the estimates as causal evidence.
## Two-dimensional landmarks
Landmarks will be selected from recognizable party-election cases, with representation of economically left/right, culturally cosmopolitan/traditionalist, and moderate combinations. Target years are declared before checking exact positions; if the requested year is absent, the nearest election within three years will be used and disclosed.
The standalone anchors cover low, middle and high regions of both scales and include cross-pressured combinations:
- German Social Democratic Party: 1972 and 2021
- German Christian Democratic Union: 1983 and 2021
- UK Labour Party: 1983 and 1997
- UK Conservative Party: 1979 and 2019
- Swedish Social Democratic Labour Party (PartyFacts 487): 1994 and 2022
- Sweden Democrats: 2010 and 2022
- French National Front (PartyFacts 433): 1988 and 2022
- German The Left (PartyFacts 1545): 2021
- US Democratic Party: 2020
- US Republican Party: 2020
- German The Left: 2021 (PartyFacts 1545).
- German Christian Democratic Union: 2021 (PartyFacts 1375).
- Polish Law and Justice: 2019 (PartyFacts 1565).
- UK Conservative Party: 1979 (PartyFacts 1567).
- French National Front: 2022 (PartyFacts 433).
- US Republican Party: 2020 (PartyFacts 809).
Labels may be pruned only to avoid overlap. The plotting-data table will retain all declared cases, including missing cases and substitutions.
Every anchor must match the requested party-year exactly. Horizontal and vertical bars show 95% latent-position credible intervals. The machine-readable plotting table retains every path observation and anchor.