es">Caching correspondence files<a class="anchor" aria-label="anchor" href="#caching-correspondence-files"></a>
</h3>
<p>The <code>get_tongfen_census_ct</code> and <code>get_tongfen_census_ct_from_da</code> methods make use of the StatCan correspondence files. To speed up this process it is useful to permanently cache these files instead of having to download them repeatedly. If caching is desired, set either</p>
<ul>
<li><code>options("tongfen.cache_path"="&lt;your local cache path&gt;")</code></li>
<li><c