p>Factor; vitamin E dose; see 'details'.</p>
</dd>
<dt>Cu</dt><dd><p>Factor, copper dose; see 'details'</p>
</dd>
<dt>Start</dt><dd><p>Start weight in experiment, i.e. weight at week 1.</p>
</dd>
<dt>Litter</dt><dd><p>Factor, id of litter of each pig</p>
</dd>
</dl>



<h3>Details</h3>

<p>Data contains weight of slaughter pigs measured weekly for 12
weeks. Data also contains the startweight (i.e. the weight at week
1). The treatments are 3 different levels of Evit = vitamin E (dose: 0,
100, 200 mg dl-alpha