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UCDP Onset Data (v. 19.1)

Source: R/data.R
ucdp_onsets.Rd

These are state-year level data for armed conflict onsets provided by the Uppsala Conflict Data Program (UCDP).

Usage

ucdp_onsets

Format

A data frame with 10142 observations on the following eight variables.

gwcode

a numeric vector for the Gleditsch-Ward state code

year

a numeric vector for the year

sumnewconf

a numeric vector for the sum of new conflicts/conflict-dyads

sumonset1

a numeric vector for the sum of new conflict episodes, whether because this is a new conflict or because there is more than one year since last conflict episode

sumonset2

a numeric vector for the sum of new conflict episodes, whether because this is a new conflict or because there is more than two years since last conflict episode

sumonset3

a numeric vector for the sum of new conflict episodes, whether because this is a new conflict or because there is more than three years since last conflict episode

sumonset5

a numeric vector for the sum of new conflict episodes, whether because this is a new conflict or because there is more than five years since last conflict episode

sumonset10

a numeric vector for the sum of new conflict episodes, whether because this is a new conflict or because there is more than 10 years since last conflict episode

Details

The user will want to note that the data provided by UCDP are technically not country-year observations. They instead duplicate observations for cases of new conflicts or new conflict episodes. Further, the original data do not provide any information about the conflict-dyad in question to which those duplicates pertain. That means the most these data can do for the package's mission is provide summary information. The user should probably recode these variables into something else they may want for a particular application

References

Gleditsch, Nils Petter; Peter Wallensteen, Mikael Eriksson, Margareta Sollenberg & Havard Strand (2002) Armed Conflict 1946–2001: A New Dataset. Journal of Peace Research 39(5): 615–637.

Pettersson, Therese; Stina Hogbladh & Magnus Oberg (2019). Organized violence, 1989-2018 and peace agreements. Journal of Peace Research 56(4): 589-603.