Road Traffic Safety

Police reported road traffic casualties and Hospital patients of road traffic crashes were linked and filtered to patients with severity MAIS2+. -Some patients were not reported by the police, -Some linked patients conflict with casualties in their mode of transport -Some patients have missing values -Only for linked patients a region of the crash is present. The challenge is to make an estimate of the total number of casualties for each of the covariates present in this dataset, preferably with a margin.

The dataset contains info for three years: 1994, 2009 and 2013 by Year, Mode_hospital, Mode_police, MaxAIS, ProvZH_hospital, ProvAcc_police, ExtCause, Gender, Agegroup, Number The sum of Number is 46884, distributed over the years and Linked=Yes/No: Year ------ Yes ------- No ------ Sum 1994 --- 9.975 ---- 6.988 -- 16.963 2009 --- 4.440 -- 10.446 -- 14.886 2013 --- 2.617 ---12.418 -- 15.035 sum -- 17.032 -- 29.852 -- 46.884 Especially in the last year the intersection between the two sources is small because of poor police reporting.