arthritis

Rheumatoid self-assessment scores for 302 patients, measured on a five-level ordinal response scale at three follow-up times.

datasets

The weighted scores method and composite likelihood information criteria as an intermediate step for variable/correlation selection for longitudinal ordinal and count data in Nikoloulopoulos, Joe and Chaganty (2011) <doi:10.1093/biostatistics/kxr005>, Nikoloulopoulos (2016) <doi:10.1002/sim.6871> and Nikoloulopoulos (2017) <doi:10.1080/00949655.2020.1759602>.

Aristidis Nikoloulopoulos

weightedScores

Weighted Scores Method for Regression Models with Dependent Data

Aristidis K. Nikoloulopoulos

Harry Joe

arthritis function

A data frame with 888 observations on the following 7 variables:<dl>
 <dt><code>id</code></dt>
<dd>Patient identifier variable.</dd> <dt><code>y</code></dt>
<dd>Self-assessment score of rheumatoid arthritis measured on a five-level ordinal response scale.</dd> <dt><code>sex</code></dt>
<dd>Coded as (1) for female and (2) for male.</dd> <dt><code>age</code></dt>
<dd>Recorded at the baseline.</dd> <dt><code>trt</code></dt>
<dd>Treatment group variable, coded as (1) for the placebo group and (2) for the drug group.</dd> <dt><code>baseline</code></dt>
<dd>Self-assessment score of rheumatoid arthritis at the baseline.</dd> <dt><code>time</code></dt>
<dd>Follow-up time recorded in months.</dd> 
</dl>

Format

Rheumatoid Arthritis Clinical Trial — arthritis

A data frame with 888 observations on the following 7 variables:<dl>
 <dt><code>id</code></dt>
<dd>Patient identifier variable.</dd>

 <dt><code>y</code></dt>
<dd>Self-assessment score of rheumatoid arthritis measured on a five-level ordinal response scale.</dd>

 <dt><code>sex</code></dt>
<dd>Coded as (1) for female and (2) for male.</dd>

 <dt><code>age</code></dt>
<dd>Recorded at the baseline.</dd>

 <dt><code>trt</code></dt>
<dd>Treatment group variable, coded as (1) for the placebo group and (2) for the drug group.</dd>

 <dt><code>baseline</code></dt>
<dd>Self-assessment score of rheumatoid arthritis at the baseline.</dd>

 <dt><code>time</code></dt>
<dd>Follow-up time recorded in months.</dd>

 
</dl>

arthritis: Rheumatoid Arthritis Clinical Trial

Description

Usage

Arguments

Format

Examples