S Munira, IN Sener, B Dai - Accident Analysis & Prevention, 2020 - Elsevier
… accurate crashprediction through complex model configurations. … , and non-incapacitating crashcounts for pedestrians. … for crashcounts of each crashseverity and suggest that the …
… regressionmodel since the crash data gives a non-negative integer. However, the Poisson … models were developed to predict the short-term crashcounts for models with two severity …
ES Park, R Oh, JY Ahn, MS Oh - Accident Analysis & Prevention, 2021 - Elsevier
… on crashcounts by severity level or by collision type, various … , and multivariatePoisson-Lognormal regressionmodels … The mean prediction bias (MPB) is close to 0 for both models. It …
… crash means predicted by the separate univariate models … the crashcounts Y i (by crash type across different severity … formulated in the context of generalized linearmodels, such that:(2…
… analysis was conducted using zonal level crashcount data … multivariate system for predicting crashcounts across different … regression, MultivariatePoisson-lognormal, Multivariate …
H Ding, NN Sze - Multimodal transportation, 2022 - Elsevier
… counts of different crash types. In this study, multivariatePoisson-lognormalregression method is … Despite that, bicyclists are more vulnerable to severe injuries in the road crashes, …
… based on predictedcrashcounts by severity, weighted by the … in crashcounts following a Poissonlognormal distribution. … , non-parametric quantile regressionmodels must be used in …
… Bivariate negative binomial and bivariate Poissonlognormalregressionmodels assume a specific joint distribution for the dependent variables (or error terms associated with the …
… countregressionmodels for accident data in the literature. … is no linear relationship between the model and predictive (… of several variables in the severity of the accident. Out of 9 …