ufcgf

ufcwc

ufcdf

These data are forest inventory measures from the Upper Flat Creek stand of
the University of Idaho Experimental Forest, dated 1991.
The file <code>ufc</code> contains all the data. 
<code>ufcwc</code> contains only Western red cedar.
<code>ufcgf</code> contains only grand fir.

datasets

Datasets to Accompany S. Weisberg (2014),
"Applied Linear Regression," 4th edition.  Many data files
in this package are included in the alr3 package as well, so only one of them
should be used.

Sanford Weisberg

alr4

Data to Accompany Applied Linear Regression 4th Edition

ufc function

A data frame with the following 5 variables.<dl>
 <dt>Plot</dt>
<dd>Plot number</dd> <dt>Tree</dt>
<dd>Tree within plot</dd> <dt>Species</dt>
<dd>a factor with levels 
<code>DF</code> = Douglas-fir,
<code>GF</code> = Grand fir,
<code>SF</code> = Subalpine fir,
<code>WL</code> = Western larch,
<code>WC</code> = Western red cedar,
<code>WP</code> = White pine</dd> <dt>Dbh</dt>
<dd>Diameter 137 cm perpendicular to the bole, mm</dd> <dt>Height</dt>
<dd>Height of the tree, in decimeters</dd> 
</dl>

Format

Height-diameter data for Upper Flat Creek, Idaho — ufc

A data frame with the following 5 variables.<dl>
 <dt>Plot</dt>
<dd>Plot number</dd>

 <dt>Tree</dt>
<dd>Tree within plot</dd>

 <dt>Species</dt>
<dd>a factor with levels 
<code>DF</code> = Douglas-fir,
<code>GF</code> = Grand fir,
<code>SF</code> = Subalpine fir,
<code>WL</code> = Western larch,
<code>WC</code> = Western red cedar,
<code>WP</code> = White pine</dd>

 <dt>Dbh</dt>
<dd>Diameter 137 cm perpendicular to the bole, mm</dd>

 <dt>Height</dt>
<dd>Height of the tree, in decimeters</dd>

 
</dl>

ufc: Height-diameter data for Upper Flat Creek, Idaho

Description

Arguments

Format

References

Examples