National Automotive Sampling System (NASS) Crashworthiness Data System : analytical user's manual 2007 file
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National Automotive Sampling System (NASS) Crashworthiness Data System : analytical user's manual 2007 file

Filetype[PDF-244.57 KB]


English
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Details:

  • Alternative Title:
    National accident sampling system crashworthiness data system (NASS/CDS)
  • Corporate Creators:
    National Center for Statistics and Analysis (U.S.)
  • Subject/TRT Terms:
  • Resource Type:
    Manual
  • Corporate Publisher:
    National Center for Statistics and Analysis (U.S.)
  • Abstract:
    Comparing the 1988-2007 files with files from years prior to 1988 is not recommended. The

    principal attributes of the NASS CDS 1988-2007 files include: focusing on crashes involving

    automobiles and automobile derivatives, light trucks and vans with gross vehicle weight less

    than 10,000 pounds (4,537 kg); giving special consideration to late model year vehicles (the five

    most recent model years [four, beginning in 1996]); emphasizing the more serious injury

    crashes; eliminating the pedestrian and non-motorist record, the driver record and vehicle

    registration information. A revised set of data collection forms was designed in 1988 for the

    crashworthiness data system. Some features are: the introduction of an Accident Event Record

    to capture all events in the crash; the creation of three new vehicle records (General Vehicle,

    Exterior Vehicle, Interior Vehicle); and the separation of occupant records into an Occupant

    Assessment Record and an Occupant Injury Record, wherein all injuries are coded.

    The NASS CDS file is available in two automated formats: a sequential data set or a Statistical

    Analysis System (SAS) data set. Hard copy data collection records, sanitized to protect privacy,

    are available for review through data collection year 1996. An electronic version of these

    records is available beginning with data collection year 1997. These records contain

    photographic images, scene diagrams, and vehicle damage diagrams.

    This manual and the NASS 2007 Crashworthiness Data System's Data Collection, Coding and

    Editing Manual are the primary documentation supporting the automated file. When using this

    file one should be careful to understand the coding conventions of all variables used thoroughly.

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