treegr

Diameter and height growth of 66 Grand-fir trees. Data derived from 
stem analysis sample
trees collected by Dr Albert Stage (US Forest Service, Moscow, ID, USA.)

datasets

Datasets and functions to accompany the book 'Analisis de datos con el programa
estadistico R: una introduccion aplicada' by Salas-Eljatib (2021, ISBN: 9789566086109).
The package helps carry out data management, exploratory analyses, and model fitting.

Christian Salas-Eljatib

datana

Datasets and Functions to Accompany Analisis De Datos Con R

Christian Salas-Eljatib 

Pino Nicolas

Riquelme Joaquin

treegr function

Contains seven column, as follows:<dl>
 <dt>tree.id</dt>
<dd>Tree number identificator. An unique number to each 
 sample tree.</dd> <dt>forest</dt>
<dd>Forest type.</dd> <dt>habitat</dt>
<dd>Forest habitat type.</dd> <dt>tree.code</dt>
<dd>A composite tree code representing the following
 columns: tree.id-forest-habitat</dd> <dt>age</dt>
<dd>Age, in yr</dd> <dt>dbh</dt>
<dd>Diameter at breast-height, in cm.</dd> <dt>toth</dt>
<dd>Total height, in m.</dd> 
</dl>

Format

Diameter and height growth of Grand-fir (Abies grandis) sample trees — treegr

Contains seven column, as follows:<dl>
 <dt>tree.id</dt>
<dd>Tree number identificator. An unique number to each 
 sample tree.</dd>

 <dt>forest</dt>
<dd>Forest type.</dd>

 <dt>habitat</dt>
<dd>Forest habitat type.</dd>

 <dt>tree.code</dt>
<dd>A composite tree code representing the following
 columns: tree.id-forest-habitat</dd>

 <dt>age</dt>
<dd>Age, in yr</dd>

 <dt>dbh</dt>
<dd>Diameter at breast-height, in cm.</dd>

 <dt>toth</dt>
<dd>Total height, in m.</dd>

 
</dl>

treegr: Diameter and height growth of Grand-fir (Abies grandis) sample trees

Description

Usage

Arguments

Format

References

Examples