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catalog abstract "The Public Use Microdata Samples (PUMS) from the 1980 Census contain individual- and household-level information from the ''long-form'' questionnaires distributed to a sample of the population enumerated in the Census. Three different PUMS series have been prepared, each containing a number of discrete physical files. These series are called the A Sample, the B Sample, and the C Sample. The A Sample, containing 5% data, identifies every State and most individual counties with 100,000 or more inhabitants (350 in all). In many cases, individual cities or groups of places with 100,000 or more inhabitants are also identified. The remaining territory has been subdivided into county groups. Three 1-in-1,000 samples are also available, one each extracted from the A, B, and C samples. Each of the discrete PUMS files contains two types of records: ''household'' records and ''person'' records. Although the length of each of these record types is identical (193 characters), the files are hierarchical in structure, each person record has a logical and physical relationship to the household record which precedes it. ICPSR has acquired the revised PUMS Sample A 5% and the Sample C 1% files and will acquire all of the remaining Public Use Microdata Sample files as they are released by the Census Bureau. The following studies will be available from ICPSR: PUBLIC USE MICRODATA SAMPLE (A SAMPLE): 1-PERCENT SAMPLE, PUBLIC USE MICRODATA SAMPLE (B SAMPLE): 5-PERCENT SAMPLE, PUBLIC USE MICRODATA SAMPLE (B SAMPLE): 1-PERCENT SAMPLE, and PUBLIC USE MICRODATA SAMPLE (C SAMPLE): 5-PERCENT SAMPLE. As these files are received, ICPSR will announce their availability on the ICPSR Hotline. Call 313/763-3486 for the updates.".
catalog contributor b3299898.
catalog contributor b3299899.
catalog coverage "United States Census, 20th, 1980.".
catalog coverage "United States Population Statistics.".
catalog created "[1984?]".
catalog date "1984".
catalog date "[1984?]".
catalog dateCopyrighted "[1984?]".
catalog description "ICPSR has acquired the revised PUMS Sample A 5% and the Sample C 1% files and will acquire all of the remaining Public Use Microdata Sample files as they are released by the Census Bureau. The following studies will be available from ICPSR: PUBLIC USE MICRODATA SAMPLE (A SAMPLE): 1-PERCENT SAMPLE, PUBLIC USE MICRODATA SAMPLE (B SAMPLE): 5-PERCENT SAMPLE, PUBLIC USE MICRODATA SAMPLE (B SAMPLE): 1-PERCENT SAMPLE, and PUBLIC USE MICRODATA SAMPLE (C SAMPLE): 5-PERCENT SAMPLE. As these files are received, ICPSR will announce their availability on the ICPSR Hotline. Call 313/763-3486 for the updates.".
catalog description "The Public Use Microdata Samples (PUMS) from the 1980 Census contain individual- and household-level information from the ''long-form'' questionnaires distributed to a sample of the population enumerated in the Census. Three different PUMS series have been prepared, each containing a number of discrete physical files. These series are called the A Sample, the B Sample, and the C Sample. The A Sample, containing 5% data, identifies every State and most individual counties with 100,000 or more inhabitants (350 in all). In many cases, individual cities or groups of places with 100,000 or more inhabitants are also identified. The remaining territory has been subdivided into county groups. Three 1-in-1,000 samples are also available, one each extracted from the A, B, and C samples. Each of the discrete PUMS files contains two types of records: ''household'' records and ''person'' records. Although the length of each of these record types is identical (193 characters), the files are hierarchical in structure, each person record has a logical and physical relationship to the household record which precedes it.".
catalog description "The software packages capable of managing hierarchical files are necessary for use with the Public Use Microdata Samples.".
catalog description "United States.".
catalog extent "data file ( logical records) +".
catalog isPartOf "ICPSR (Series) ; 8101.".
catalog isPartOf "ICPSR ; 8101".
catalog issued "1984".
catalog issued "[1984?]".
catalog language "und".
catalog publisher "Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor],".
catalog requires "The software packages capable of managing hierarchical files are necessary for use with the Public Use Microdata Samples.".
catalog spatial "United States Census, 20th, 1980.".
catalog spatial "United States Population Statistics.".
catalog spatial "United States".
catalog spatial "United States.".
catalog subject "Housing United States Statistics.".
catalog subject "I. Census Enumerations: Historical and Contemporary Population Characteristics. A. United States. 1. Decennial Censuses. c. 1980 Census.".
catalog title "Census of population and housing, 1980 [United States] [computer file] : Public use microdata sample (A sample), 5-percent sample / principal investigator, United States Department of Commerce, Bureau of the Census.".