vcd: VonBort – R documentation

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VonBort

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.

Examples

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

vcd

Visualizing Categorical Data

v1.4-10

GPL-2

Authors

David Meyer [aut, cre], Achim Zeileis [aut] (<https://orcid.org/0000-0003-0918-3766>), Kurt Hornik [aut], Florian Gerber [ctb], Michael Friendly [ctb]

Initial release