vcd (version 0.1-3.5)

WeldonDice: Weldon's Dice Data

Description

Data from Pearson (1900) about the frequency of 5s and 6s in throws of 12 dice. Weldon tossed the dice 26,306 times and reported his results in a letter to Francis Galton on 1894-02-02.

Usage

data(WeldonDice)

format

A 1-way table giving the frequency of a 5 or a 6 in 26,306 throws of 12 dice where 10 indicates `10 or more' 5s or 6s. The variable and its levels are rll{ No Name Levels 1 n56 0, 1, ..., 10 }

source

Michael Friendly (2000), Visualizing Categorical Data, pp. 20-21.

References

K. Pearson (1900), On the criterion that a given system of deviations from the probable in the case of a correlated system of variables is such that it can be reasonably supposed to have arisen by random sampling, Philosophical Magazine, 50 (5th series), 157-175.

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

Examples

data(WeldonDice)
gf <- goodfit(WeldonDice, type = "binomial")
summary(gf)
plot(gf)