National Incident-Based Reporting System, 2004: Extract Files (ICPSR 4485)

Published: Sep 10, 2009

Cite this Study |

Principal Investigator(s):
United States Department of Justice. Federal Bureau of Investigation

Series:

https://doi.org/10.3886/ICPSR04485.v2

Version V2

Alternate Title

NIBRS, 2004

Summary

The National Incident-Based Reporting System (NIBRS) is a part of the Uniform Crime Reporting Program (UCR), administered by the Federal Bureau of Investigation (FBI). The extract files version of NIBRS was created to simplify working with NIBRS data. Data management issues with NIBRS are significant, especially when two or more segment levels are being merged. These issues require skills separate from data analysis. NIBRS data as formatted by the FBI are stored in a single file. These data are organized by various segment levels (record types). There are six main segment levels: administrative, offense, property, victim, offender, and arrestee. Each segment level has a different length and layout. There are other segment levels that occur with less frequency than the six main levels. Significant computing resources are necessary to work with the data in its single-file format. In addition, the user must be sophisticated in working with data in complex file types. For these reasons and the desire to facilitate the use of NIBRS data, ICPSR created the extract files. The data are not a representative sample of crime in the United States.

Citation

United States Department of Justice. Federal Bureau of Investigation. National Incident-Based Reporting System, 2004: Extract Files. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2009-09-10. https://doi.org/10.3886/ICPSR04485.v2

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Funding

United States Department of Justice. Federal Bureau of Investigation

United States Department of Justice. Office of Justice Programs. Bureau of Justice Statistics

Subject Terms

Geographic Coverage

Time Period(s)

2004

Date of Collection

2004

Universe

Law enforcement agencies in the United States participating in the National Incident-Based Reporting System.

Data Type(s)

event/transaction data

Mode of Data Collection

self-enumerated questionnaire

Original Release Date

2006-10-26

Version Date

2009-09-10

Version History

2006-10-26 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 online analysis version with question text.
  • Checked for undocumented or out-of-range codes.

2009-09-10 Minor edits were made to the Codebook.

Notes

  • The public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.

NACJD logo

This dataset is maintained and distributed by the National Archive of Criminal Justice Data (NACJD), the criminal justice archive within ICPSR. NACJD is primarily sponsored by three agencies within the U.S. Department of Justice: the Bureau of Justice Statistics, the National Institute of Justice, and the Office of Juvenile Justice and Delinquency Prevention.