<span class="op">(</span><span class="st">"Video"</span>,<span class="st">"Social"</span>,<span class="st">"Direct"</span><span class="op">)</span>,</span>
<span>                  <span class="va">...</span><span class="op">)</span><span class="op">{</span></span>
<span>  </span>
<span>  <span class="fu"><a href="https://rdrr.io/r/base/message.html" class="external-link">message</a></span><span class="op">(</span><span class="st">"CausalImpact input data columns: "</span>, <span class="fu"><a href="https://