NTL Record

Title Analytical methods in multivariate highway safety exposure data estimation
Record ID 33362
Personal Name
Creator		 Mengert, Peter; Roberts, Edwin
Source 138p. in various pagings
Corporate Creator John A. Volpe National Transportation Systems Center (U.S.)
Publisher National Center for Statistics and Analysis (U.S.)
Publication Date 19840100
Language English
Abstract Three general analytical techniques which may be of use in extending, enhancing, and combining highway accident exposure data are discussed. The techniques are log-linear modelling, iterative propor tional fitting and the expectation maximization (EM) method. A general discussion identifies a number of frequently encountered exposure data deficiences and indicates how one or more of the three analytical tech niques may be of use in addressing each deficiency. The more mathematically-oriented sections provide a general introduction to each of the methods and discuss some of their properties of special interest in applications. A section illustrating applications to driving exposure data is included, together with computer program listings.
Rosap ID dot:5834
Rosap URL https://rosap.ntl.bts.gov/view/dot/5834
TRT Terms Information processing; Multivariate analysis; Highway safety; Traffic crashes; Mathematical models
General Subjects Iterative Proportional Fitting; Log-Linear Modelling; Expectation Maximization; Accident Exposure; Data (Highway); Categorical Data; Discrete Data
Classification NTL - SAFETY AND SECURITY - SAFETY AND SECURITY;
NTL - SAFETY AND SECURITY - Human Factors
Geographical
Coverage		 United States
OCLC 10389688
TRIS Online
Accession No		 1173221
Report Number DOT-HS806-494; DOT-TSC-NHTSA-83-5
Availability Volpe National Transportation Systems Center, Technical Reference Center
Resource type Tech Report
URL https://ntlrepository.blob.core.windows.net/lib/33000/33300/33362/33362.pdf
Format PDF
Database NTL Digital Repository