vcd (version 1.1-1)

HorseKicks: Death by Horse Kicks

Description

Data from von Bortkiewicz (1898), given by Andrews & Herzberg (1985), on number of deaths by horse or mule kicks in 10 (of 14 reported) corps of the Prussian army. 4 corps were not considered by Fisher (1925) as they had a different organization. This data set is a popular subset of the VonBort data.

Usage

data("HorseKicks")

format

A 1-way table giving the number of deaths in 200 corps-years. The variable and its levels are rll{ No Name Levels 1 nDeaths 0, 1, ..., 4 }

source

Michael Friendly (2000), Visualizing Categorical Data, page 18.

References

D. F. Andrews & A. M. Herzberg (1985), Data: A Collection of Problems from Many Fields for the Student and Research Worker. Springer-Verlag, New York, NY.

R. A. Fisher (1925), Statistical Methods for Research Workers. Oliver & Boyd, London.

L. von Bortkiewicz (1898), Das Gesetz der kleinen Zahlen. Teubner, Leipzig.

M. Friendly (2000), Visualizing Categorical Data. SAS Institute, Cary, NC.

See Also

VonBort

Examples

data("HorseKicks")
gf <- goodfit(HorseKicks)
summary(gf)
plot(gf)