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National Projections from NCSS Statistics
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English
Abstract
This paper proposes to develop an estimate called a national projection from the NCSS data. It then evaluates the statistical properties of this estimate. Such an estimation procedure is applicable, under certain assumptions, to study designs where the first stage sampling units are chosen purposively. National projections for accident statistics from the NCSS data are produced. The sensitivity of the national projections on the choice of first stage units and on the models used in the estimation procedure are investigated.
All statistics in this paper are calculated from the first fifteen months of the NCSS data, January 1, 1977 to March 31, 1978.
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Citation
Gimotty, P., "National Projections from NCSS Statistics," SAE Technical Paper 800097, 1980, https://doi.org/10.4271/800097.Also In
References
- Kahane, C. J. Smith, R. A. Thorp, K. J. “The National Crash Severity Study.” Proceedings of the Sixth International Congress on Experimental Safety Vehicles 1976
- O’ Day J. et al. “Analysis of the National Crash Severity Study.” Highway Safety Research Institute, The University of Michigan December 1978
- “County and City Data Book: A Statistical Abstract Supplement 1977.” U. S. Bureau of the Census Washington, D. C. 1978