IMPUTATION IN THE NASS GENERAL ESTIMATES SYSTEM. NHTSA TECHNICAL REPORT

This report documents a statistical procedure, called imputation, that was implemented in the National Accident Sampling System General Estimates System (GES). Imputation is a method of replacing unknown data with known data on a case by case basis. This document gives an overview of the imputation process, why it was implemented, and how imputed values are best used, and some cautionary advice for when the imputed values are best not used. This report provides users of the GES data file with the information necessary for better understanding of the GES data.

  • Corporate Authors:

    National Center for Statistics and Analysis

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Authors:
    • SHELTON, TST
  • Publication Date: 1993-6

Language

  • English

Media Info

  • Features: Appendices; References; Tables;
  • Pagination: 130 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00719481
  • Record Type: Publication
  • Source Agency: National Highway Traffic Safety Administration
  • Report/Paper Numbers: HS-807 985
  • Files: HSL, TRIS, USDOT
  • Created Date: Mar 25 1996 12:00AM