CD4 {QRegVCM}

The CD4 dataset

Description

This dataset is a subset of the Multicenter AIDS cohort study. The data contain repeated measurements of physical examinations and CD4 percentages of 283 homosexual men who became HIV-positive between year 1984 and 1991.

Usage

CD4

Format

data frame with 6 variables and 1817 observations.

Details

It contains the following variables:

subj

the subject (man) indicator

Time

the time in years

Smooking

the smoking status

Age

age at HIV infection

PreCD4

the pre-infection CD4 percentage

CD4

the CD4 percentage