HCrabs

The number of male crabs attached to female horseshoe crabs

datasets

Provides most of the data files used in the textbook "Scientific Research and Methodology" by Dunn (2025, ISBN:9781032496726; forthcoming).

Peter K Dunn

SRMData

Data Files Supporting "Scientific Research and Methodology" by
Peter K. Dunn (2025)

Peter K. Dunn 

HCrabs function

A data frame with 173 rows (each crab) and 5 columns:<dl>
 <dt>Col</dt>
<dd>The female's carapace colour; one of <code>LM</code> (light medium), 
 <code>M</code> (medium), <code>DM</code> (dark medium) or <code>D</code> (dark)</dd> <dt>Spine</dt>
<dd>The female's spine condition; one of <code>BothOK</code>, 
 <code>OneOK</code> or <code>NoneOK</code></dd> <dt>Width</dt>
<dd>The female's carapace width, in cm</dd> <dt>Wt</dt>
<dd>The weight of the female, in grams</dd> <dt>Sat</dt>
<dd>The number of male crabs attached ('satellites')</dd>
</dl>

Format

Hermit crabs — HCrabs

A data frame with 173 rows (each crab) and 5 columns:<dl>
 <dt>Col</dt>
<dd>The female's carapace colour; one of <code>LM</code> (light medium), 
 <code>M</code> (medium), <code>DM</code> (dark medium) or <code>D</code> (dark)</dd>

 <dt>Spine</dt>
<dd>The female's spine condition; one of <code>BothOK</code>, 
 <code>OneOK</code> or <code>NoneOK</code></dd>

 <dt>Width</dt>
<dd>The female's carapace width, in cm</dd>

 <dt>Wt</dt>
<dd>The weight of the female, in grams</dd>

 <dt>Sat</dt>
<dd>The number of male crabs attached ('satellites')</dd>


</dl>

HCrabs: Hermit crabs

Description

Usage

Arguments

Format