ufcgf

ufcwc

ufcdf


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

datasets

This package is a companion to the textbook S. Weisberg (2005),
"Applied Linear Regression," 3rd edition, Wiley. It includes all the
data sets discussed in the book (except one), and a few functions that
are tailored to the methods discussed in the book.  As of version 2.0.0,
this package depends on the car package. Many functions formerly
in alr3 have been renamed and now reside in car.
Data files have beeen lightly modified to make some data columns row labels.

Sanford Weisberg

alr3

Data to accompany Applied Linear Regression 3rd 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> 

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

Description

Arguments

Format

Source

References

Examples