Crash risk analysis for Shanghai urban expressways: A Bayesian semi-parametric modeling approach
نویسندگان
چکیده
منابع مشابه
Survival Analysis of Urban Traffic Incident Duration: a Case Study at Shanghai Expressways
Traffic incident duration is one of the most important parameters to describe traffic congestion intensity of expressways. Numerous measures have been developed to describe the characteristics of traffic incidents and the vast majority of these studies use data mining. Though they inform us the objective elements of the environment may influence traffic incident, the how question-via what way t...
متن کاملA Bayesian Semi-Parametric Model for Random Effects Meta-Analysis
In meta-analysis there is an increasing trend to explicitly acknowledge the presence of study variability through random effects models. That is, one assumes that for each study, there is a study-specific effect and one is observing an estimate of this latent variable. In a random effects model, one assumes that these study-specific effects come from some distribution, and one can estimate the ...
متن کاملA Bayesian semi-parametric approach to extreme regime identification
Limiting tail behavior of distributions are known to follow one of three possible limiting distributions, depending on the domain of attraction of the observational model under suitable regularity conditions. This work proposes a new approach for identification and analysis of the limiting regimes that these data exceedances belong to. The model-based approach uses a mixture at the observationa...
متن کاملA Bayesian semi-parametric approach to cluster heterogeneous time series
Majority of time series clustering research is focused on calculating similarity metrics between individual series, which in conjunction with traditional clustering algorithm partitions the data into similar groups (clusters). A major challenge lies in obtaining partitions when the number of clusters is not known in advance. Another challenge in such a clustering problem is to apply known hiera...
متن کاملA semi-parametric Bayesian approach to average bioequivalence.
Bioequivalence assessment is an issue of great interest. Development of statistical methods for assessing bioequivalence is an important area of research for statisticians. Bioequivalence is usually determined based on the normal distribution. We relax this assumption and develop a semi-parametric mixed model for bioequivalence data. The proposed method is quite flexible and practically meaning...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Accident Analysis & Prevention
سال: 2016
ISSN: 0001-4575
DOI: 10.1016/j.aap.2015.11.029