ex1220

The number of species on an island is known to be related to the
 island's area. Of interest is what other variables are also related
 to the number of species, after island area is accounted for, and
 whether the answer differs for native and non native species.

datasets

Data sets from Ramsey, F.L. and Schafer, D.W. (2002), "The
Statistical Sleuth: A Course in Methods of Data Analysis (2nd
ed)", Duxbury.

Berwin Turlach

Sleuth2

Data Sets from Ramsey and Schafer's "Statistical Sleuth (2nd
Ed)"

ex1220 function

A data frame with 30 observations on the following 8 variables.<dl>
 <dt><code>Island</code></dt>
<dd>a character vector indicating the island</dd> <dt><code>Total</code></dt>
<dd>total number of observed species</dd> <dt><code>Native</code></dt>
<dd>number of native species</dd> <dt><code>Area</code></dt>
<dd>area (km\(^2\))</dd> <dt><code>Elev</code></dt>
<dd>elevation (m)</dd> <dt><code>DistNear</code></dt>
<dd>distance from nearest island (km)</dd> <dt><code>DistSC</code></dt>
<dd>distance from Santa Cruz (km)</dd> <dt><code>AreaNear</code></dt>
<dd>area of nearest island (km\(^2\))</dd> 
</dl>

Format

Galapagos Islands — ex1220

A data frame with 30 observations on the following 8 variables.<dl>
 <dt><code>Island</code></dt>
<dd>a character vector indicating the island</dd>

 <dt><code>Total</code></dt>
<dd>total number of observed species</dd>

 <dt><code>Native</code></dt>
<dd>number of native species</dd>

 <dt><code>Area</code></dt>
<dd>area (km\(^2\))</dd>

 <dt><code>Elev</code></dt>
<dd>elevation (m)</dd>

 <dt><code>DistNear</code></dt>
<dd>distance from nearest island (km)</dd>

 <dt><code>DistSC</code></dt>
<dd>distance from Santa Cruz (km)</dd>

 <dt><code>AreaNear</code></dt>
<dd>area of nearest island (km\(^2\))</dd>

 
</dl>

ex1220: Galapagos Islands

Description

Usage

Arguments

Format

References

Examples