 executed in order to define the transformed data
variables. As the statements execute, declared constraints on
variables are not enforced.</p>
<p>Transformed data variables are initialized with real values set to
<code>NaN</code> and integer values set to the smallest integer (large
absolute value negative number).</p>
<p>After the statements are executed, all declared constraints on
transformed data variables are validated. If the validation fails,
execution halts and the variable’s name, value and cons