rror in the fold being evaluated.</p>
</section>
<section id="user-defined-permutations" class="level3 unnumbered">
<h3 class="unnumbered anchored" data-anchor-id="user-defined-permutations">User-defined permutations</h3>
<p>It is straightforward to declare the variable <code>permutation</code> in the data block instead of the transformed data block and read it in as data. This allows an external program to control the blocking, allowing non-random partitions to be evaluated.</p>
</section>
<section id="cro