Multiple Imputation of Missing Passenger Boarding Data in the National Census of Ferry Operators
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2008-08-01
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Abstract:This report presents findings from the 2006 National Census of Ferry Operators (NCFO) augmented with imputed values for passengers and passenger miles. Due to the imputation procedures used to calculate missing data, totals in Table 1 may not correspond to calculations obtained from using only the data in the NCFO. The 2006 NCFO data were collected from 230 ferry operators by the Bureau of Transportation Statistics, a component of the Research and Innovative Technology Administration in the U.S. Department of Transportation. The data were supplemented by other sources of ferry data, such as the U.S. Coast Guard and the Army Corps of Engineers. The database contains information on ferry systems, including operators, routes, vessels, and passenger and vehicle boarding.
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