The results are based on public records, administrative data and interviews with study participants.
这些结果根据公众数据和官方数据和项目参与者的采访。
The nation lacks a central population register or an identity-card system that would allow administrative data to be linked up.
该国缺乏一个中央人口统计处或一个身份认证系统来将管理数据统一起来。
However, including only these variables might not be sufficient due to information validity and simplification problems associated with large administrative data sets.
然而,由于信息的有效性和与大量的管理数据设置相关联的简单问题,仅仅包括这些变量可能是不足够的。
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