codebook / ipums_usa / SAMPLE

SAMPLE // IPUMS 样本代码

IPUMS sample identifier

IPUMS 样本标识，用于区分 ACS、census 和历史样本

→ use this variable in analysis ← back to dataset

attributes

datasetipums_usa · IPUMS USA Harmonized Microdata
typeidentifier
roleidentifier
data fileextract
keywordssample样本