I am very new to R. I am using R package "pscl" for hurdle regression (Binary
with "cloglog" link and Poisson with "log" link). My problem is to model road
crash frequencies at given locations as a function of road geometry and surface
condition. All of my dependent variable are covariates. I want to test their
marginal effects on the response. However, I am hard-pressed to find a way to
do that. I just wish to ask if there is a way at all to accomplish this in R?
Or is there any other better way to quantify the impact of individual variables
on the response for hurdle regression? Thanks in advance.
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