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asbio (version 1.9-7)

aids: Aids and veterans dataset

Description

The veterans administration studied the effect of AZT on AIDS symptoms for 338 HIV-positive military veterans who were just beginning to express AIDS. AZT treatment was withheld on a random component until helper T cells showed even greater depletion while the other group received the drug immediately. The subjects were also classified by race.

Usage

data(aids)

Arguments

Format

A data frame with 338 observations on the following 3 variables.

race

A factor with levels black, white.

AZT

A factor with levels N, Y.

symptoms

Presence/absence of AIDS symptoms.