VonBort {vcd} | R Documentation

## 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`

### Examples

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

[Package vcd version 0.9-6 Index]