armd0

Data from Age-Related Macular Degeneration (ARMD)
 clinical trial

datasets

Datasets and utility  functions enhancing functionality of nlme package. Datasets, functions and scripts are described in book titled 'Linear Mixed-Effects Models:
A Step-by-Step Approach' by Galecki and Burzykowski (2013). Package is under development.

Andrzej Galecki

nlmeU

Datasets and Utility Functions Enhancing Functionality of 'nlme'
Package

armd0 function

The <code>armd0</code> data frame has 1107 rows and 8 columns. It contains data for n=240 subjects
stored in a long format with up to five rows for one subject.<dl>
 <dt>subject</dt>
<dd>a factor with 240 levels <code>1</code>, <code>2</code>, <code>3</code>, <code>4</code>, <code>5</code>, ...</dd> <dt>treat.f</dt>
<dd>a factor with 2 levels <code>Placebo</code>, <code>Active</code></dd> <dt>visual0</dt>
<dd>an integer vector with values from 20 to 85</dd> <dt>miss.pat</dt>
<dd>a factor with 9 levels <code>----</code>, <code>---X</code>, <code>--X-</code>, <code>--XX</code>, <code>-XX-</code>, ...</dd> <dt>time.f</dt>
<dd>a factor with 5 levels <code>Baseline</code>, <code>4wks</code>, <code>12wks</code>, <code>24wks</code>, <code>52wks</code></dd> <dt>time</dt>
<dd>a numeric vector with values from 0 to 52</dd> <dt>visual</dt>
<dd>an integer vector with values from 3 to 85</dd> <dt>tp</dt>
<dd>a numeric vector with values from 0 to 4</dd>
</dl>

Format

armd0 Data (1107 x 8) — armd0

The <code>armd0</code> data frame has 1107 rows and 8 columns. It contains data for n=240 subjects
stored in a long format with up to five rows for one subject.<dl>
 <dt>subject</dt>
<dd>a factor with 240 levels <code>1</code>, <code>2</code>, <code>3</code>, <code>4</code>, <code>5</code>, ...</dd>

 <dt>treat.f</dt>
<dd>a factor with 2 levels <code>Placebo</code>, <code>Active</code></dd>

 <dt>visual0</dt>
<dd>an integer vector with values from 20 to 85</dd>

 <dt>miss.pat</dt>
<dd>a factor with 9 levels <code>----</code>, <code>---X</code>, <code>--X-</code>, <code>--XX</code>, <code>-XX-</code>, ...</dd>

 <dt>time.f</dt>
<dd>a factor with 5 levels <code>Baseline</code>, <code>4wks</code>, <code>12wks</code>, <code>24wks</code>, <code>52wks</code></dd>

 <dt>time</dt>
<dd>a numeric vector with values from 0 to 52</dd>

 <dt>visual</dt>
<dd>an integer vector with values from 3 to 85</dd>

 <dt>tp</dt>
<dd>a numeric vector with values from 0 to 4</dd>


</dl>

armd0: armd0 Data (1107 x 8)

Description

Arguments

Format

Details

See Also