Diplometrics Diplomatic Representation

The Diplometrics Diplomatic Representation (DDR) dataset measuring formal diplomatic relations, as coded from the Europa World Yearbook annually from 1960 onward for 18K+ unique country dyads. The data include the level of diplomatic representation (whether the diplomatic connection is focused on a single or multiple target countries) as well as a summary measure that captures both directed and shared dyadic level of representation.

外交计量外交代表（Diplometrics Diplomatic Representation, DDR）数据集用于衡量正式外交关系，其编码数据源自1960年起逐年出版的《欧罗巴世界年鉴》（Europa World Yearbook），覆盖1.8万余对独特国家双边配对。该数据集包含外交代表层级信息（即外交联系聚焦单一目标国还是多个目标国），同时设有一项综合衡量指标，可同时捕捉定向双边与共享双边的外交代表层级。