e averages, ratios or percentages needs more care to build, it requires additional information on the <strong>parent variable</strong> that specifies the denominator of the average, ratio or percentage. Other data, like medians, can’t be aggregated up, although <code>tongfen</code> can provide estimates of medians on aggregated geographies by treating them as averages.</p>
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<div class="section level3">
<h3 id="packaged-data">Packaged data<a class="anchor" aria-label="anchor" href="#packaged-data"></