Basic Geographic and Historic Data for Interfacing ICPSR Data Sets, 1620-1983 [United States] (ICPSR 8159)

Version Date: Nov 6, 2012

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Principal Investigator(s):
Robert P. Sechrist

https://doi.org/10.3886/ICPSR08159.v2

Version V2

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Summary

This data collection contains the basic information about all counties in the coterminous United States needed for mapping county-based data. It provides an interface between ICPSR datasets and the mapping programs SAS/GRAPH, SURFACE II, and SYMAP. Cloropleth and isopleth maps can be produced by match-merging this dataset with any other dataset (special facilities exist for ICPSR datasets) and running the merged data against a cartographic program. Isopleth mapping programs, using the latitude and longitude coordinates provided for each county seat, can produce maps of ICPSR data. Cloropleth mapping of county-level data can be accomplished after merging by running the merged dataset through SAS/GRAPH. The variables provide state Federal Information Processing (FIPS) codes, county FIPS codes, county names/county seat names, the month, day, and year in which each county was created, the latitude and longitude of county seats, as well as the ICPSR state and county codes.

Citation

Sechrist, Robert P. Basic Geographic and Historic Data for Interfacing ICPSR Data Sets, 1620-1983 [United States]. Inter-university Consortium for Political and Social Research [distributor], 2012-11-06. https://doi.org/10.3886/ICPSR08159.v2

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Subject Terms

Geographic Coverage

Smallest Geographic Unit

county

Distributor(s)

Inter-university Consortium for Political and Social Research
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Time Period(s)

1620 -- 1983
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Time Method

Time Series

Unit(s) of Observation

counties within states

Data Type(s)

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Original Release Date

1984-07-13

Version History

2018-02-15 The citation of this study may have changed due to the new version control system that has been implemented. The previous citation was:
  • Sechrist, Robert P. Basic Geographic and Historic Data for Interfacing ICPSR Data Sets, 1620-1983 [United States]. ICPSR08159-v2. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2012-11-06. http://doi.org/10.3886/ICPSR08159.v2

2012-11-06 SPSS, SAS, and Stata setup files, as well as SPSS and Stata system files and a SAS transport (CPORT) file have been added to the collection. The codebook has been updated.

1984-07-13 ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:

  • Created variable labels and/or value labels.
  • Checked for undocumented or out-of-range codes.
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Notes