Pixel

The <code>Pixel</code> data frame has 102 rows and 4 columns of data on the
 pixel intensities of CT scans of dogs over time

datasets

Fit and compare Gaussian linear and nonlinear mixed-effects models.

R-core R-core@R-project.org

nlme

Linear and Nonlinear Mixed Effects Models

José Pinheiro

Douglas Bates

Saikat DebRoy

Deepayan Sarkar

EISPACK authors 

Siem Heisterkamp

Bert Van Willigen

Johannes Ranke

R Core Team 

Pixel function

This data frame contains the following columns:<dl>
 <dt>Dog</dt>
<dd>a factor with levels <code>1</code> to <code>10</code> designating the dog
 on which the scan was made</dd> <dt>Side</dt>
<dd>a factor with levels <code>L</code> and <code>R</code> designating the side
 of the dog being scanned</dd> <dt>day</dt>
<dd>a numeric vector giving the day post injection of the contrast
 on which the scan was made</dd> <dt>pixel</dt>
<dd>a numeric vector of pixel intensities</dd> 
</dl>

Format

X-ray pixel intensities over time — Pixel

This data frame contains the following columns:<dl>
 <dt>Dog</dt>
<dd>a factor with levels <code>1</code> to <code>10</code> designating the dog
 on which the scan was made</dd>

 <dt>Side</dt>
<dd>a factor with levels <code>L</code> and <code>R</code> designating the side
 of the dog being scanned</dd>

 <dt>day</dt>
<dd>a numeric vector giving the day post injection of the contrast
 on which the scan was made</dd>

 <dt>pixel</dt>
<dd>a numeric vector of pixel intensities</dd>

 
</dl>

X-ray pixel intensities over time

Pixel: X-ray pixel intensities over time

Description

Arguments

Format

Examples