Description Usage Format Source See Also
A dataset of 979930 vehicles, recorded by the New Zealand Transport Agency
(NZTA) as being involved in crashes in the crashes
dataset.
There is a many-to-one relationship between vehicles and crashes. They can
be joined by the common column id
(see the example below).
Other attributes in a many-to-one relationship with the crashes are
available in the datasets causes
, and
objects_struck
.
1 |
A data frame with 979930 rows and three variables:
Unique number identifying the crash, by which the link{crashes}
table can be joined.
Unique identifier of the vehicle in each crash (unique in combination with id
.
Type of vehicle (car, truck, etc.).
http://www.nzta.govt.nz/resources/crash-analysis-system-data/
A comprehensive data dictionary is provided by the NZTA at
http://www.nzta.govt.nz/assets/resources/guide-to-coded-crash-reports/docs/guide-to-coded-crash-reports.pdf.
A copy of it is distributed with this package in the extdata
directory.
Details about how crash reports are completed are provided by the NZTA at
http://www.nzta.govt.nz/assets/resources/traffic-crash-reports/docs/traffic-crash-reports.pdf.
A copy of it is distributed with this package in the extdata
directory.
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