ss="hljs-type">List</span> ( <span class="hljs-type">Int</span>, <span class="hljs-type">List</span> <span class="hljs-type">Float</span> ), extent : ( <span class="hljs-type">Float</span>, <span class="hljs-type">Float</span> ) }
<span class="hljs-title">populationMinnesota1850</span> =
    <span class="hljs-keyword">let</span>
        partitioned =
            <span class="hljs-comment">-- assumes sorted by year, then age</span>
            <span class="hljs-type">SampleData</span>.populationMinnesota1850