The 2014, 2011, and 2010 releases of the Unified Democracy Scores by Pemstein, Meserve, and Melton (2010).
uds_2014 uds_2011 uds_2010
An object of class tbl_df (inherits from tbl, data.frame) with 9850 rows and 12 columns.
The name of the country in the UDS release
The correlates of war numeric code, as in the original UDS
release. This is different from the actual COW code in a few cases; it looks
like they were using GW codes instead of COW codes. Use the cown
variable instead for merging with COW-indexed data.
The posterior mean of the latent variable in the UD release.
The posterior standard deviation of the latent variable in the UD release.
The posterior median of the latent variable in the UD release.
Unified democracy score posterior 2.5 percentile.
Unified democracy score posterior 97.5 percentile.
The name of the country in the Gleditsch-Ward system of states, or the official name of the entity (for non-sovereign entities and states not in the Gleditsch and Ward system of states) or else a common name for disputed cases that do not have an official name (e.g., Western Sahara, Hyderabad). The Gleditsch and Ward scheme sometimes indicates the common name of the country and (in parentheses) the name of an earlier incarnation of the state: thus, they have Germany (Prussia), Russia (Soviet Union), Madagascar (Malagasy), etc. For details, see Gleditsch, Kristian S. & Michael D. Ward. 1999. "Interstate System Membership: A Revised List of the Independent States since 1816." International Interactions 25: 393-413. The list can be found at http://privatewww.essex.ac.uk/~ksg/statelist.html.
Gleditsch and Ward's numeric country code, from the Gleditsch and Ward list of independent states.
The Correlates of War numeric country code, 2016 version. This differs from Gleditsch and Ward's numeric country code in a few cases. See http://www.correlatesofwar.org/data-sets/state-system-membership for the full list.
The Polity IV country code, 2017 version. This differs from Gleditsch and Ward's numeric country code and COW in a few cases. See http://www.systemicpeace.org/inscrdata.html for the full list.
Whether the state is "in system" (that is, is
independent and sovereign), according to Gleditsch and Ward, for this
particular date. Matches at the end of the year; so, for example South
Vietnam 1975 is FALSE because, according to Gleditsch and Ward, the
country ended on April 1975 (being absorbed by North Vietnam). It is also
TRUE for dates beyond 2012 for countries that did not end by then,
depsite the fact that the Gleditsch and Ward list has not been updated
since.
The calendar year. Democracy measurements conventionally reflect the situation in the country as of the last day of the year.
Pemstein, Daniel, Stephen Meserve, and James Melton. 2010. Democratic Compromise: A Latent Variable Analysis of Ten Measures of Regime Type. Political Analysis 18 (4): 426-449.
Pemstein, Daniel, Stephen A. Meserve, and James Melton. 2013. "Replication data for: Democratic Compromise: A Latent Variable Analysis of Ten Measures of Regime Type." In: Harvard Dataverse. http://hdl.handle.net/1902.1/PMM
Other democracy: democracy,
extended_uds