="op">&lt;-</span> <span class="fu"><a href="../reference/ga_model_make.html">ga_model_make</a></span><span class="op">(</span><span class="va">get_ci_data</span>,</span>
<span>                          required_columns <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"date"</span>,<span class="st">"channelGrouping"</span>,<span class="st">"sessions"</span><span class="op">)</span>,</span>
<span>   