ame --> c_name
    i.e.
    A = {a_name, b_name, c_name, nested_name{a_name, c_name}}
</pre>
<center><p>
<img src="images/datasetsubsetnested.png" />
<br /><b>Nested compound dataset</b></p></center>
<p>
If the nested_name->a_name member of the compound dataset &ldquo;A&rdquo; had members:</p>
<pre>
    A --> a_name
    A --> b_name
    A --> c_name
    A --> nested_name --> a_name --> d_name
    A --> nested_name --> c_name --> e_name
    i.e.
    A = {a_name, b_name, c_name, nested_name{a_name{d_name, e_n