Cows

Random samples of ten mature (five-year-old and older) and ten 
two-year-old cows were taken from each of five breeds. The average 
butterfat percentage of these 100 cows is stored in the variable 
<code>butterfat</code> with the type of cow stored in the variable
<code>breed</code> and the age of the cow stored in the variable <code>age</code>.

datasets

Data and functions for the book PROBABILITY and STATISTICS
WITH R.

Alan T Arnholt

PASWR

PROBABILITY and STATISTICS WITH R

Cows function

A data frame with 100 observations on the following 3 variables:<dl class="dl-horizontal">
 <dt><code>butterfat</code></dt><dd>average butterfat percentage</dd>
 <dt><code>age</code></dt><dd>a factor with levels <code>2 years old</code> and <code>Mature</code></dd>
 <dt><code>breed</code></dt><dd>a factor with levels <code>Ayrshire</code>, <code>Canadian</code>,
 <code>Guernsey</code>, <code>Holstein-Friesian</code>, and <code>Jersey</code></dd>
 </dl>

Format

Butterfat of Cows — Cows

A data frame with 100 observations on the following 3 variables:<dl class='dl-horizontal'>
 <dt><code>butterfat</code></dt><dd>average butterfat percentage</dd>
 <dt><code>age</code></dt><dd>a factor with levels <code>2 years old</code> and <code>Mature</code></dd>
 <dt><code>breed</code></dt><dd>a factor with levels <code>Ayrshire</code>, <code>Canadian</code>,
 <code>Guernsey</code>, <code>Holstein-Friesian</code>, and <code>Jersey</code></dd>
 </dl>

Cows: Butterfat of Cows

Description

Usage

Arguments

Format

References

Examples