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.外交计量外交代表数据集（Diplometrics Diplomatic Representation, DDR）用于衡量正式外交关系，其数据自1960年起每年依据《欧罗巴世界年鉴》进行编码提取，涵盖1.8万余个独特国家二元组。该数据集包含外交代表层级信息（即外交联系是聚焦于单一目标国还是多个目标国），同时包含一项可同时反映定向与共享二元组外交代表层级的综合衡量指标。