Differences in Globulin Fraction in Two Groups

Description

Globulin fraction of plasma (g/l) in two groups of 10 patients.

Usage

data(globulin)

Format

This data frame contains the following variables:

group1

Globulin fraction of plasma for group 1

group2

Globulin fraction of plasma for group 2

Details

See page 75 of Gardner & Altman (1989).

Source

M. J. Gardner & D. G. Altman (1989), Statistics with Confidence. Published by the British Medical Journal.

References

Joachim R"ohmel (1996). Precision intervals for estimates of the difference in success rates for binary random variables based on the Permutation Principle. Biometrical Journal, 38(8), 977–993.

Examples

data(globulin)
attach(globulin)
pt <- perm.test(group1, group2, conf.int=T)
pt
stopifnot(pt$conf.int == c(-8.50, 1.25))