tortula

These data are observations on a series of seven morphological
 variables for individuals in of the Tortula
 sect. Rurales De Not. (Pottiaceae, Musci.

datasets

Fits Modern Analogue Technique and Weighted Averaging transfer
function models for prediction of environmental data from species
data, and related methods used in palaeoecology.

Gavin Simpson

analogue

Analogue and Weighted Averaging Methods for Palaeoecology

Jari Oksanen

Martin Maechler

tortula function

<code>tortula</code> is a data frame of seven morphological measurements on
 14 individuals from the genus Tortula.<dl>
 <dt><code>Taxon</code></dt>
<dd>factor; the species of Tortula</dd> <dt><code>Hydroid</code></dt>
<dd>logical; presence of hydroid cells</dd> <dt><code>LeafOutline</code></dt>
<dd>ordered; shape of the leaf outline</dd> <dt><code>Denticulation</code></dt>
<dd>ordered; degree of denticulation</dd> <dt><code>ApexShape</code></dt>
<dd>ordered; shape of the leaf apex</dd> <dt><code>Length</code></dt>
<dd>numeric, leaf length</dd> <dt><code>Diameter</code></dt>
<dd>numeric; leaf diameter</dd> <dt><code>Papillae</code></dt>
<dd>numeric; number of papillae per cell</dd> 
</dl>The last three variables are the average of ten replicate samples from
 the same herbarium capsule.

Format

Morphological data for ten taxa of the genus Tortula — tortula

<code>tortula</code> is a data frame of seven morphological measurements on
 14 individuals from the genus Tortula.<dl>
 <dt><code>Taxon</code></dt>
<dd>factor; the species of Tortula</dd>

 <dt><code>Hydroid</code></dt>
<dd>logical; presence of hydroid cells</dd>

 <dt><code>LeafOutline</code></dt>
<dd>ordered; shape of the leaf outline</dd>

 <dt><code>Denticulation</code></dt>
<dd>ordered; degree of denticulation</dd>

 <dt><code>ApexShape</code></dt>
<dd>ordered; shape of the leaf apex</dd>

 <dt><code>Length</code></dt>
<dd>numeric, leaf length</dd>

 <dt><code>Diameter</code></dt>
<dd>numeric; leaf diameter</dd>

 <dt><code>Papillae</code></dt>
<dd>numeric; number of papillae per cell</dd>

 
</dl>The last three variables are the average of ten replicate samples from
 the same herbarium capsule.

tortula: Morphological data for ten taxa of the genus Tortula

Description

Usage

Arguments

Format

References

Examples