The cd4 data frame is made by a total of 2376 rows and 8 columns providing information on
CD4 cell counts of 369 subjects followed for a maximum of 12 measurement occasions.

datasets

Estimate linear quantile mixtures based on Time-Constant (TC) and/or Time-Varying (TV), discrete, random coefficients.

Maria Francesca Marino

lqmix

Linear Quantile Mixture Models

Marco Alfo'

Nicola Salvati

Maria Giovanna Ranalli

cd4 function

A data frame with 2376 observations on the following 8 variables:
<dl>
 <dt><code>sbj.id</code></dt>
<dd>subject id</dd> <dt><code>time.id</code></dt>
<dd>time id</dd> <dt><code>count</code></dt>
<dd>CD4 count</dd> <dt><code>lcount</code></dt>
<dd>log(CD4 count + 1)</dd> <dt><code>time</code></dt>
<dd>years since seroconversion</dd> <dt><code>age</code></dt>
<dd>age (yrs) centered around 30</dd> <dt><code>packs</code></dt>
<dd>packs of cigarettes per day</dd> <dt><code>partners</code></dt>
<dd>number of sexual partners</dd> <dt><code>drugs</code></dt>
<dd>recreational drug use indicator</dd> <dt><code>cesd</code></dt>
<dd>depression score</dd>
</dl>

Format

CD4 Data — cd4

A data frame with 2376 observations on the following 8 variables:
<dl>
 <dt><code>sbj.id</code></dt>
<dd>subject id</dd>

 <dt><code>time.id</code></dt>
<dd>time id</dd>

 <dt><code>count</code></dt>
<dd>CD4 count</dd>

 <dt><code>lcount</code></dt>
<dd>log(CD4 count + 1)</dd>

 <dt><code>time</code></dt>
<dd>years since seroconversion</dd>

 <dt><code>age</code></dt>
<dd>age (yrs) centered around 30</dd>

 <dt><code>packs</code></dt>
<dd>packs of cigarettes per day</dd>

 <dt><code>partners</code></dt>
<dd>number of sexual partners</dd>

 <dt><code>drugs</code></dt>
<dd>recreational drug use indicator</dd>

 <dt><code>cesd</code></dt>
<dd>depression score</dd>


</dl>

cd4: CD4 Data

Description

Usage

Arguments

Format

Details

References