sal {exactRankTests}

Serum Antigen Level

Description

The response of serum antigen level to AZT in 20 patients suffering AIDS.

Usage

data(sal)

Format

A data frame with 20 observations on the following 2 variables.

pre

level pre treatment.

post

level post treatment.

Details

The data is given in Metha and Patel (2001), Table 8.1, page 181. Two-sided p-value for the Wilcoxon-Signed Rank Test: 0.0021 (page 183) or 0.0038 (asymptotically).

References

Cyrus R. Mehta & Nitin R. Patel (2001), StatXact-5 for Windows. Manual, Cytel Software Cooperation, Cambridge, USA

Examples

data(sal)
attach(sal)

wilcox.exact(pre, post, paired=TRUE, conf.int=TRUE)
wilcox.exact(pre,post, paired=TRUE, conf.int=TRUE, exact=FALSE)

detach(sal)