;</code>, after <code>N</code> is read, it will be tested
to make sure it is greater than or equal to zero. If a variable
violates its declared constraint, the program will halt with a warning
message indicating which variable contains an illegal value, the value
that was read, and the constraint that was declared.</p>
</div>
<div id="define-transformed-data" class="section level3 unnumbered">
<h3>Define Transformed Data</h3>
<p>After data is read into the model, the transformed data variable
statements are