library(vcd)
## Loading required package: grid
data(VonBort)
head(VonBort)
## deaths year corps fisher
## 1 0 1875 G no
## 2 0 1875 I no
## 3 0 1875 II yes
## 4 0 1875 III yes
## 5 0 1875 IV yes
## 6 0 1875 V yes
table(VonBort$deaths)
##
## 0 1 2 3 4
## 144 91 32 11 2
A basic histogram with an overlay of the Poisson (0.7 deaths per year).