 you infer the populations of origin <code>z</code>? In the genetic literature this is sometimes called the “assignment problem”; more generally, it is an example of a “classification problem”.</p></li>
<li><p>Given the populations of origin <code>z</code> and the genotypes <code>x</code>, how might you infer the population allele frequencies <code>P</code>?</p></li>
<li><p>Given just the genotypes <code>x</code> how might you infer both <code>z</code> and <code>P</code>? (This is an example of a �