VonBort: Von Bortkiewicz Horse Kicks Data

In vcd: Visualizing Categorical Data

Von Bortkiewicz Horse Kicks Data

Description

Data from von Bortkiewicz (1898), given by Andrews & Herzberg (1985), on number of deaths by horse or mule kicks in 14 corps of the Prussian army.

Usage

data("VonBort")

Format

A data frame with 280 observations and 4 variables.

deaths

number of deaths.

year

year of the deaths.

corps

factor indicating the corps.

fisher

factor indicating whether the corresponding corps was considered by Fisher (1925) or not.

Source

Michael Friendly (2000), Visualizing Categorical Data: http://euclid.psych.yorku.ca/ftp/sas/vcd/catdata/vonbort.sas

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

HorseKicks for a popular subsample.

Examples

data("VonBort")
## HorseKicks data
xtabs(~ deaths, data = VonBort, subset = fisher == "yes")

vcd documentation built on Sept. 17, 2024, 1:08 a.m.