Matches in Harvard for { ?s ?p This previously structured data collection has been flattened into five rectangular files. The household file of the 1975 survey has 59 variables on 41,649 cases and the person file has 116 variables on 116,289 cases. The condition file has 139 variables on 15,650 cases. The doctor visit file has 94 variables on 22,522 cases.. }
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- catalog description "This previously structured data collection has been flattened into five rectangular files. The household file of the 1975 survey has 59 variables on 41,649 cases and the person file has 116 variables on 116,289 cases. The condition file has 139 variables on 15,650 cases. The doctor visit file has 94 variables on 22,522 cases.".