##Descriptive Tables

Fatal collisions by year
FARS SWITRS
2018 3798 3804
2019 3719 3737
2020 3980 3982
2021 4513 4477
2022 4539 4386
Cleaned fatal collisions
FARS SWITRS
2018 3071 3055
2019 2980 3040
2020 3269 3308
2021 3711 3734
2022 3702 3673
Victim Role Frequencies
Victim Role Frequency
1 10627 10627
3 5176 5176
4 727 727
5 203 203
Pre-merge cleaned race frequencies
FARS SWITRS
A 1054
B 1838
H 6819
O 307
W 6715
Merged race frequencies
FARS SWITRS
A 718 475
B 1334 1342
H 5059 4930
O 219 569
W 4971 4985

Data Analysis

##  Cohen's Kappa for 2 Raters (Weights: unweighted)
## 
##  Subjects = 12301 
##    Raters = 2 
##     Kappa = 0.798 
## 
##         z = 133 
##   p-value = 0
Sensitivity & specificity by race
Race Sensitivity Specificity
Asian 61.00% 99.68%
Black 92.88% 99.06%
Hispanic 88.99% 94.09%
White 89.04% 92.37%
Other 30.59% 95.85%
Misclassified FARS Asian cases
Race Frequency
B 6
H 73
O 169
W 32
Misclassified FARS Black cases
Race Frequency
A 3
H 34
O 29
W 29
Misclassified FARS Hispanic cases
Race Frequency
A 12
B 50
O 88
W 407
Misclassified FARS White cases
Race Frequency
A 17
B 29
H 283
O 216
Misclassified FARS Other cases
Race Frequency
A 5
B 18
H 38
W 91