herons.case

The data are the numbers of attempts at foraging by 20 adult and 20 immature green-backed herons. The data are listed as grouped (adult or immature) count data i.e. number of herons having a particular count value.

datasets

Modeling under- and over-dispersed count data using extended Poisson process models as in the article Faddy and Smith (2011) <doi:10.18637/jss.v069.i06> .

David Smith

CountsEPPM

Mean and Variance Modeling of Count Data

herons.case function

A data frame with 40 observations on the following 2 variables.<dl>
 <dt><code>group</code></dt>
<dd>a factor with levels <code> Adult</code> <code> Immature</code></dd> <dt><code>number.attempts</code></dt>
<dd>a numeric vector</dd> 
</dl>

Format

Green-backed herons as two groups — herons.case

A data frame with 40 observations on the following 2 variables.<dl>
 <dt><code>group</code></dt>
<dd>a factor with levels <code> Adult</code> <code> Immature</code></dd>

 <dt><code>number.attempts</code></dt>
<dd>a numeric vector</dd>

 
</dl>

herons.case: Green-backed herons as two groups

Description

Usage

Arguments

Format

Examples