National Automotive Sampling System (NASS) General Estimates System (GES): Analytical Users Manual, 1988-2008

ISBN-13: 9781493550470 / Angielski / Miękka / 2013 / 260 str.

National Highway Traffic Safety Administ

Opis

This multi-year analytical user's manual provides documentation on variables that are contained in the GES and other useful information that will enable the users to become familiar the data system. The analyst is strongly advised to consult the annual GES Coding Manuals for more detailed definitions, diagrams, and coding instructions. The Coding Manuals also contain edit checks, which are helpful in understanding relationships between variables. A Coding Manual is published for each year of data collection.