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Models, which employ panel data analysis to model highway crashes, can identify fixed differences and other unobserved factors in real world. This paper introduces process of individual fixed-effects and random-effects models and related tests. These models are applied to Jingjintang highway. Pool data regression, models of fixed effects and random effects are established respectively. Hausman results show that fixed-effect model is better than others when describing the relationship between accidents and other factors.
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