o supply your own username to the <code>username</code> argument,
rather than use mine. Large datasets can take a few minutes to upload to
your account depending on your connection speed.</p>
<div class="sourceCode" id="cb2"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">county_source</span> <span class="op">&lt;-</span> <span class="fu"><a href="../reference/mts_create_source.html">mts_create_source</a></span><span class="op">(</span></span>
<span>  data <span class="o