ex0918

Researchers studied the development of a fly (Drosophila subobscura)
 that had been accidentally introduced from the Old World into North
 America around 1980.

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)"

ex0918 function

A data frame with 21 observations on the following 8 variables.<dl>
 <dt><code>Continent</code></dt>
<dd>a factor with levels <code>"NA"</code> and
 <code>"EU"</code></dd>
 
 <dt><code>Latitude</code></dt>
<dd>latitude (degrees)</dd> <dt><code>Females</code></dt>
<dd>average wing size (10\(^3\times\)log
 mm) of female flies on log scale</dd>
 
 <dt><code>SE.F</code></dt>
<dd>standard error of wing size (10\(^3\times\)log mm) of female flies on log scale</dd>
 
 <dt><code>Males</code></dt>
<dd>average wing size (10\(^3\times\)log
 mm) of male flies on log scale</dd>
 
 <dt><code>SE.M</code></dt>
<dd>standard error of wing size (10\(^3\times\)log mm) of male flies on log scale</dd>
 
 <dt><code>Ratio</code></dt>
<dd>average basal length to wing size ratios of
 female flies</dd>
 
 <dt><code>SE.R</code></dt>
<dd>standard error of average basal length to wing
 size ratio of female flies</dd>
 
 
</dl>

Format

Speed of Evolution — ex0918

A data frame with 21 observations on the following 8 variables.<dl>
 <dt><code>Continent</code></dt>
<dd>a factor with levels <code>"NA"</code> and
 <code>"EU"</code></dd>
 
 <dt><code>Latitude</code></dt>
<dd>latitude (degrees)</dd>

 <dt><code>Females</code></dt>
<dd>average wing size (10\(^3\times\)log
 mm) of female flies on log scale</dd>
 
 <dt><code>SE.F</code></dt>
<dd>standard error of wing size (10\(^3\times\)log mm) of female flies on log scale</dd>
 
 <dt><code>Males</code></dt>
<dd>average wing size (10\(^3\times\)log
 mm) of male flies on log scale</dd>
 
 <dt><code>SE.M</code></dt>
<dd>standard error of wing size (10\(^3\times\)log mm) of male flies on log scale</dd>
 
 <dt><code>Ratio</code></dt>
<dd>average basal length to wing size ratios of
 female flies</dd>
 
 <dt><code>SE.R</code></dt>
<dd>standard error of average basal length to wing
 size ratio of female flies</dd>
 
 
</dl>

ex0918: Speed of Evolution

Description

Usage

Arguments

Format

References

Examples