NDLI: Evaluating spatial and temporal effects of accidents likelihood using random effects panel count model

Content Provider	IEEE Xplore Digital Library
Author	Wan Yaacob, Wan Fairos Lazim, Mohamad Alias Wah, Yap Bee
Copyright Year	2010
Description	Author affiliation: Faculty of Computer and Mathematical Sciences, Universiti Teknologi MARA, 40000 Shah Alam, Malaysia (Wan Yaacob, Wan Fairos; Lazim, Mohamad Alias; Wah, Yap Bee)
Abstract	The application of Poisson and Negative Binomial models has been widely used in modeling road accident count. However, several restrictions on the data have been highlighted in the use of such model. Among which are the assumption of variance and mean to be equal, no serial correlation exist and the effect of unmeasured variables that may affect the dependent variable or so called the unobserved heterogeneity. Hence, an appropriate solution to this issue is to treat the data in a form time series and cross section data panel using panel model approach. This study analyzes the number of road accidents occurrences using time series cross sectional data for 14 states in Malaysia. The random effects negative binomial (RENB) model and the cross-sectional negative binomial (NB) models are examined. The models were developed to identify the contributing factors that affect the number of road accidents in Malaysia. We examine various factors associated with road accidents occurrence that includes the registered vehicle in the state, the amount of rainfall, the number of rainy day, time trend and the monthly effect of seasonality. Various model specifications were estimated. The specification comparisons indicate benefit from using the NB model when spatial and temporal effects are unobserved. While the RENB model appears to be more superior in the present case of accident count when incorporating temporal and cross sectional variations in which offers advantages in model flexibility.
Starting Page	960
Ending Page	964
File Size	362658
Page Count	5
File Format	PDF
ISBN	9781424489879
e-ISBN	9781424489862
DOI	10.1109/CSSR.2010.5773927
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-05
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Road accidents Roads Spatial and Temporal Effects Data models Road Accidents Niobium Random Effects Negative Binomial Model Vehicles Meteorology
Content Type	Text
Resource Type	Article

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