Open lookup of 69 datasets and 72199 variables across PSID, GSS, HRS, NHANES, CFPS, CGSS, CHARLS, CHFS, CLDS, CEPS, CSMAR, Wind, RESSET and CNRDS. Cross-database equivalence mappings, research design templates, and variable-level metadata.
Hand-curated mapping of common empirical-research concepts to their equivalent variable names across each database.